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} .loading { visibility: hidden; } .detail-page .post-footer .cmt_iframe_holder { padding-top: 40px !important; } /** Desktop **/ @media (max-width: 900px) { .col-right { display: none; } .col-main { margin-right: 0; min-width: initial; } .footer-outer { display: none; } .cols-wrapper { min-width: initial; } .google-footer-outer { background-color: #f5f5f5; } } /** Tablet **/ @media (max-width: 712px) { .header-outer, .cols-wrapper, .footer-outer, .google-footer-outer { padding: 0 40px; } } /* An extra breakpoint accommodating for long blog titles. */ @media (max-width: 600px) { .header-left { height: 100%; position: initial; top: inherit; margin-top: 0; -webkit-transform: initial; transform: initial; } .header-title { margin-top: 18px; } .header-inner { height: auto; margin-bottom: 32px; margin-top: 32px; } .header-desc { margin-top: 12px; } .header-inner .google-logo { height: 70px; margin-top: 3px; } .header-inner .google-logo img { height: 70px; } .header-title h2 { font-size: 32px; 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//]]> </script> <noscript> <img alt='' height='1' src='https://ad.doubleclick.net/ddm/activity/src=2542116;type=gblog;cat=googl0;ord=1?' width='1'/> </noscript>  <div class='header-outer'> <div class='header-inner'> <div class='section' id='header'><div class='widget Header' data-version='1' id='Header1'> <div class='header-left'> <div class='header-title'> <a class='google-logo' href='https://blog.chromium.org/'> <img alt="Chromium Blog" height="50" src="//1.bp.blogspot.com/-vkF7AFJOwBk/VkQxeAGi1mI/AAAAAAAARYo/57denvsQ8zA/s1600-r/logo_chromium.png"> </a> <a href='/.'> <h2> Chromium Blog </h2> </a> </div> <div class='header-desc'> News and developments from the open source browser project </div> </div> </div></div> </div> </div>  <div class='cols-wrapper loading'> <div class='col-main-wrapper'> <div class='col-main'> <div class='section' id='main'><div class='widget Blog' data-version='1' id='Blog1'> <div class='post' data-id='3556097728661341363' itemscope='' itemtype='http://schema.org/BlogPosting'> <h2 class='title' itemprop='name'> <a href='https://blog.chromium.org/2015/07/chrome-45-beta-new-es2015-features.html' itemprop='url' title='Chrome 45 Beta: New ES2015 features, service worker improvements, and media controls'> Chrome 45 Beta: New ES2015 features, service worker improvements, and media controls </a> </h2> <div class='post-header'> <div class='published'> <span class='publishdate' itemprop='datePublished'> Monday, July 27, 2015 </span> </div> </div> <div class='post-body'> <div class='post-content' itemprop='articleBody'> <script type='text/template'> <div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">The newest Chrome </span><a href="https://www.google.com/landing/chrome/beta/" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">Beta</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> channel release includes new JavaScript language features, an improved audio experience on Android, and a large number of minor API improvements and deprecations. Unless otherwise noted, changes described below apply to Chrome for Android, Windows, Mac, Linux, and Chrome OS.</span></div> <h3 dir="ltr" style="line-height: 1.38; margin-bottom: 4pt; margin-top: 14pt;"> <span style="background-color: transparent; color: black; font-family: Arial; font-size: 14.666666666666666px; font-style: normal; font-variant: normal; font-weight: bold; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">New ES2015 features</span></h3> <div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">Over the past year Chrome has shipped a number of new JavaScript features defined in the </span><a href="http://www.ecma-international.org/ecma-262/6.0/" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">ES2015</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> specification (formerly known as ES6), a major update to JavaScript that allows developers to write application logic that is easier to read, more powerful, and more memory efficient than ever before.</span></div> <b id="docs-internal-guid-11779e94-d044-06d1-306d-6b7735c474d6" style="font-weight: normal;"><br /></b> <br /> <div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">Chrome 45 includes a set of </span><a href="http://v8project.blogspot.de/2015/07/v8-45-release.html" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">new ES2015 features</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> including </span><a href="https://googlechrome.github.io/samples/arrows-es6/index.html" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">arrow functions</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">, </span><a href="https://googlechrome.github.io/samples/array-methods-es6/index.html" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">new methods on </span><span style="background-color: transparent; color: #1155cc; font-family: 'Courier New'; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">Array</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">, </span><a href="https://googlechrome.github.io/samples/typedarray-methods-es6/index.html" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">new methods on </span><span style="background-color: transparent; color: #1155cc; font-family: 'Courier New'; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">TypedArray</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">, and </span><a href="https://googlechrome.github.io/samples/object-assign-es6/index.html" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: 'Courier New'; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">Object.assign()</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">.</span></div> <h3 dir="ltr" style="line-height: 1.38; margin-bottom: 4pt; margin-top: 14pt;"> <span style="background-color: transparent; color: black; font-family: Arial; font-size: 14.666666666666666px; font-style: normal; font-variant: normal; font-weight: bold; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">Service worker improvements</span></h3> <div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">Chrome 40 introduced support for </span><a href="http://www.html5rocks.com/en/tutorials/service-worker/introduction/" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">service workers</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">, enabling developers to build high performance sites that work offline. This release includes a number of improvements:</span></div> <b style="font-weight: normal;"><br /></b> <br /> <ul style="margin-bottom: 0pt; margin-top: 0pt;"> <li dir="ltr" style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; list-style-type: disc; text-decoration: none; vertical-align: baseline;"><div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">Developers are now able to </span><a href="https://developers.google.com/web/updates/2015/07/measuring-performance-in-a-service-worker" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">measure their service worker’s performance</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> using the </span><a href="http://www.html5rocks.com/en/tutorials/webperformance/usertiming/" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">User Timing</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> and </span><a href="http://googledevelopers.blogspot.com/2013/12/measuring-network-performance-with.html" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">Resource Timing</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> APIs.</span></div> </li> <li dir="ltr" style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; list-style-type: disc; text-decoration: none; vertical-align: baseline;"><div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">Service workers used exclusively to send </span><a href="https://developers.google.com/web/updates/2015/03/push-notificatons-on-the-open-web" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">push notifications</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> are now kept up-to-date correctly and developers can also use the new </span><a href="https://developer.mozilla.org/en-US/docs/Web/API/ServiceWorkerRegistration/update" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: 'Courier New'; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">update</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> method to manually trigger an update check.</span></div> </li> <li dir="ltr" style="background-color: transparent; color: black; font-family: 'Courier New'; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; list-style-type: disc; text-decoration: none; vertical-align: baseline;"><div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">Sites can now use </span><a href="https://developer.mozilla.org/en-US/docs/Web/API/ServiceWorkerContainer/getRegistrations" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: 'Courier New'; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">getRegistrations()</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> to access all the service workers whose scope matches the current page.</span></div> </li> </ul> <b style="font-weight: normal;"><br /></b> <br /> <div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">Finally, in a breaking change, messages sent via </span><a href="https://github.com/GoogleChrome/samples/tree/gh-pages/service-worker/post-message" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: 'Courier New'; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">Client.postMessage()</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> now fire an event on </span><span style="background-color: transparent; color: black; font-family: 'Courier New'; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">navigator.serviceWorker</span><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> instead of the </span><span style="background-color: transparent; color: black; font-family: 'Courier New'; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">window</span><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> object.</span></div> <h3 dir="ltr" style="line-height: 1.38; margin-bottom: 4pt; margin-top: 14pt; text-align: left;"> <span style="background-color: transparent; color: black; font-family: Arial; font-size: 14.666666666666666px; font-style: normal; font-variant: normal; font-weight: bold; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">Media controls in Android notifications</span></h3> <div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt; text-align: center;"> <span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"><img alt="media-notification.png" height="88px;" src="https://lh5.googleusercontent.com/-H4t4xhJL6DFrojTn-z0tHCA1GiOvzgRCAqkJ5SODoU4gv69oGRKFKbIXFi3FNbb0umX1KCvAJartQE_oROVfASCGbfrqldGGs169NDCuKXTs1c4w-JNMMl4D1wxWWNfCBWSA3k" style="border: none; transform: rotate(0rad);" width="370px;" /></span></div> <div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt; text-align: center;"> <span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: italic; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">Playback controls for currently-playing audio are shown in the notification tray and on the lock screen</span></div> <div style="text-align: center;"> <b style="font-weight: normal;"><br /></b></div> <div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">On Android, native apps can show media controls in a system notification when playing audio, making it easy for users to control audio while multitasking. Chrome 45 brings this capability to the web by showing a notification with media controls when audio is playing in web content. The </span><a href="https://developers.google.com/web/updates/2015/07/media-notifications" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">controls will automatically show up</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> when </span><span style="background-color: transparent; color: black; font-family: 'Courier New'; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"><audio></span><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> or </span><span style="background-color: transparent; color: black; font-family: 'Courier New'; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"><video></span><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> tags play audio longer than 5 seconds.</span></div> <h3 dir="ltr" style="line-height: 1.38; margin-bottom: 4pt; margin-top: 14pt;"> <span style="background-color: transparent; color: black; font-family: Arial; font-size: 14.666666666666666px; font-style: normal; font-variant: normal; font-weight: bold; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">Other updates in this release</span></h3> <ul style="margin-bottom: 0pt; margin-top: 0pt;"> <li dir="ltr" style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; list-style-type: disc; text-decoration: none; vertical-align: baseline;"><div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">Sites </span><a href="https://developers.google.com/web/updates/2015/05/Notifying-you-of-notificiation-changes#notificationoptionsvibrate" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">can now customize</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> the vibration triggered when showing a notification on Android.</span></div> </li> <li dir="ltr" style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; list-style-type: disc; text-decoration: none; vertical-align: baseline;"><div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">Chrome’s implementation of the </span><a href="https://developer.mozilla.org/en-US/docs/Web/API/Push_API" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">Push API</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> has undergone </span><a href="http://updates.html5rocks.com/2015/03/push-notificatons-on-the-open-web#what-changes-exist-in-the-push-api-since-chrome-42" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">several minor breaking changes</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> to keep up to date with the evolving specification.</span></div> </li> <li dir="ltr" style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; list-style-type: disc; text-decoration: none; vertical-align: baseline;"><div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">Sites using </span><a href="https://developers.google.com/web/updates/2015/03/increasing-engagement-with-app-install-banners-in-chrome-for-android" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">promoted add to home screen</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> can now programmatically </span><a href="https://developers.google.com/web/updates/2015/03/increasing-engagement-with-app-install-banners-in-chrome-for-android#prompt" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">control the timing</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> of the banner.</span></div> </li> <li dir="ltr" style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; list-style-type: disc; text-decoration: none; vertical-align: baseline;"><div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">The </span><a href="https://developer.mozilla.org/en-US/docs/Web/API/Touch/rotationAngle" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: 'Courier New'; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">rotationAngle</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> attribute of </span><a href="https://developer.mozilla.org/en-US/docs/Web/API/Touch" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: 'Courier New'; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">Touch</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> objects is no longer prefixed, making it easier for sites to </span><a href="https://developers.google.com/web/updates/2015/07/using-rotationAngle-and-touchRadius" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">understand the geometry of the user's touch</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> with cross-browser code.</span></div> </li> <li dir="ltr" style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; list-style-type: disc; text-decoration: none; vertical-align: baseline;"><div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">To improve scroll performance on pages with heavy mouse handlers or </span><span style="background-color: transparent; color: black; font-family: 'Courier New'; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">:hover</span><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> styles, Chrome </span><a href="https://groups.google.com/a/chromium.org/forum/#!topic/blink-dev/KIoVljZw5fc" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">no longer sends mouse position updates</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> when the user is scrolling with a trackpad or scrollwheel.</span></div> </li> <li dir="ltr" style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; list-style-type: disc; text-decoration: none; vertical-align: baseline;"><div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">Chrome now immediately prefetches all </span><a href="http://www.html5rocks.com/en/tutorials/webcomponents/imports/" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">HTML imports</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> referenced by a page instead of waiting for scripts included higher in the document to finish executing, improving performance.</span></div> </li> <li dir="ltr" style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; list-style-type: disc; text-decoration: none; vertical-align: baseline;"><div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">Sites can now include 3rd-party resources on their site with reduced security risk by </span><a href="https://googlechrome.github.io/samples/subresource-integrity/index.html" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">using a hash to ensure the integrity of 3rd-parties resources</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">.</span></div> </li> <li dir="ltr" style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; list-style-type: disc; text-decoration: none; vertical-align: baseline;"><div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">To reduce the risk of certain types of attack, the </span><span style="background-color: transparent; color: black; font-family: 'Courier New'; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">'self'</span><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> source defined by </span><a href="https://developer.mozilla.org/en-US/docs/Web/Security/CSP/CSP_policy_directives" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">Content Security Policy</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> now excludes </span><span style="background-color: transparent; color: black; font-family: 'Courier New'; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">blob</span><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> and </span><span style="background-color: transparent; color: black; font-family: 'Courier New'; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">filesystem</span><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> URLs.</span></div> </li> <li dir="ltr" style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; list-style-type: disc; text-decoration: none; vertical-align: baseline;"><div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">The </span><a href="http://weakdh.org/" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">logjam attack</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> is fixed in this release by deprecating the use of keys smaller than 1024 bits in Diffie-Hellman key exchanges, which may require developers to </span><a href="https://weakdh.org/sysadmin.html" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">update their server’s TLS configuration</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">.</span></div> </li> <li dir="ltr" style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; list-style-type: disc; text-decoration: none; vertical-align: baseline;"><div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">To improve cross-browser compatibility and specification compliance, </span><a href="https://code.google.com/p/chromium/issues/detail?id=496383" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: 'Courier New'; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">CSSUnknownRule</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> and </span><a href="https://groups.google.com/a/chromium.org/forum/#!msg/blink-dev/wW7w8Hro78s/JDULF2oM9iIJ" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: 'Courier New'; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">CSSKeyframesRule.insertRule()</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> are now deprecated with the latter now replaced by </span><a href="https://developer.mozilla.org/en-US/docs/Web/API/CSSKeyframesRule" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: 'Courier New'; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">CSSKeyframesRule.appendRule()</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">.</span></div> </li> <li dir="ltr" style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; list-style-type: disc; text-decoration: none; vertical-align: baseline;"><div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">Sites using </span><a href="https://developer.mozilla.org/en-US/docs/Web/SVG/SVG_animation_with_SMIL" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">SMIL</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> will now trigger </span><a href="https://groups.google.com/a/chromium.org/forum/#!msg/blink-dev/5o0yiO440LM/59rZqirUQNwJ" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">deprecation</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> warnings in the console, encouraging them to migrate to </span><a href="https://developer.mozilla.org/en-US/docs/Web/Guide/CSS/Using_CSS_animations" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">CSS Animations</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> and </span><a href="https://github.com/web-animations/web-animations-js" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">Web Animations</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">.</span></div> </li> <li dir="ltr" style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; list-style-type: disc; text-decoration: none; vertical-align: baseline;"><div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">This release deprecates both </span><a href="https://www.chromestatus.com/feature/4668884095336448" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">multiple shadow roots</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> and </span><a href="https://www.chromestatus.com/features/6750456638341120" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">shadow-piercing deep selectors</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> following a unanimous decision by browser vendors at the </span><a href="https://www.w3.org/wiki/Webapps/WebComponentsApril2015Meeting" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">Web Components April 2015 meeting</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">.</span></div> </li> <li dir="ltr" style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; list-style-type: disc; text-decoration: none; vertical-align: baseline;"><div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">The </span><a href="https://developer.mozilla.org/en-US/docs/Web/API/MediaStream" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: 'Courier New'; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">MediaStream</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> attributes </span><span style="background-color: transparent; color: black; font-family: 'Courier New'; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">label</span><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> and </span><span style="background-color: transparent; color: black; font-family: 'Courier New'; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">ended</span><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> are </span><a href="https://developers.google.com/web/updates/2015/07/mediastream-deprecations" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">now deprecated</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> in favor of </span><span style="background-color: transparent; color: black; font-family: 'Courier New'; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">id</span><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> and </span><span style="background-color: transparent; color: black; font-family: 'Courier New'; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">active</span><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">, while the </span><span style="background-color: transparent; color: black; font-family: 'Courier New'; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">stop()</span><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> method is deprecated in favor of </span><a href="https://developer.mozilla.org/en-US/docs/Web/API/MediaStreamTrack/stop" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: 'Courier New'; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">MediaStreamTrack.stop()</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">.</span></div> </li> </ul> <div> <span style="background-color: white; color: #222222; font-family: arial, sans-serif; font-size: 12.8px;"><br /></span></div> <div> <span style="background-color: white; color: #222222; font-family: arial, sans-serif; font-size: 12.8px;">Update: The User Timing and Resource Timing APIs are unfortunately not exposed to service workers in this release, but should be available in Chrome 46. </span><span style="color: black; font-family: Arial; font-size: 13.3333px; vertical-align: baseline; white-space: pre-wrap;">As always, visit </span><a href="https://www.chromestatus.com/features" style="line-height: 1.38; text-decoration: none;"><span style="color: #1155cc; font-family: Arial; font-size: 13.3333px; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">chromestatus.com/features</span></a><span style="color: black; font-family: Arial; font-size: 13.3333px; vertical-align: baseline; white-space: pre-wrap;"> for a complete overview of Chrome’s developer features, and circle </span><a href="https://plus.google.com/+GoogleChromeDevelopers" style="line-height: 1.38; text-decoration: none;"><span style="color: #1155cc; font-family: Arial; font-size: 13.3333px; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">+Google Chrome Developers</span></a><span style="color: black; font-family: Arial; font-size: 13.3333px; vertical-align: baseline; white-space: pre-wrap;"> for more frequent updates.</span></div> <br /> <span style="font-family: Arial; font-size: 13.3333px; vertical-align: baseline; white-space: pre-wrap;">Posted by Andreas Rossberg, Software Engineer and ECMAScript Evangelizer</span> <span itemprop='author' itemscope='itemscope' itemtype='http://schema.org/Person'> <meta content='https://plus.google.com/116899029375914044550' itemprop='url'/> </span> </script> <noscript> <div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">The newest Chrome </span><a href="https://www.google.com/landing/chrome/beta/" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">Beta</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> channel release includes new JavaScript language features, an improved audio experience on Android, and a large number of minor API improvements and deprecations. Unless otherwise noted, changes described below apply to Chrome for Android, Windows, Mac, Linux, and Chrome OS.</span></div> <h3 dir="ltr" style="line-height: 1.38; margin-bottom: 4pt; margin-top: 14pt;"> <span style="background-color: transparent; color: black; font-family: Arial; font-size: 14.666666666666666px; font-style: normal; font-variant: normal; font-weight: bold; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">New ES2015 features</span></h3> <div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">Over the past year Chrome has shipped a number of new JavaScript features defined in the </span><a href="http://www.ecma-international.org/ecma-262/6.0/" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">ES2015</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> specification (formerly known as ES6), a major update to JavaScript that allows developers to write application logic that is easier to read, more powerful, and more memory efficient than ever before.</span></div> <b id="docs-internal-guid-11779e94-d044-06d1-306d-6b7735c474d6" style="font-weight: normal;"><br /></b> <br /> <div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">Chrome 45 includes a set of </span><a href="http://v8project.blogspot.de/2015/07/v8-45-release.html" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">new ES2015 features</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> including </span><a href="https://googlechrome.github.io/samples/arrows-es6/index.html" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">arrow functions</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">, </span><a href="https://googlechrome.github.io/samples/array-methods-es6/index.html" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">new methods on </span><span style="background-color: transparent; color: #1155cc; font-family: 'Courier New'; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">Array</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">, </span><a href="https://googlechrome.github.io/samples/typedarray-methods-es6/index.html" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">new methods on </span><span style="background-color: transparent; color: #1155cc; font-family: 'Courier New'; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">TypedArray</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">, and </span><a href="https://googlechrome.github.io/samples/object-assign-es6/index.html" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: 'Courier New'; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">Object.assign()</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">.</span></div> <h3 dir="ltr" style="line-height: 1.38; margin-bottom: 4pt; margin-top: 14pt;"> <span style="background-color: transparent; color: black; font-family: Arial; font-size: 14.666666666666666px; font-style: normal; font-variant: normal; font-weight: bold; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">Service worker improvements</span></h3> <div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">Chrome 40 introduced support for </span><a href="http://www.html5rocks.com/en/tutorials/service-worker/introduction/" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">service workers</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">, enabling developers to build high performance sites that work offline. This release includes a number of improvements:</span></div> <b style="font-weight: normal;"><br /></b> <br /> <ul style="margin-bottom: 0pt; margin-top: 0pt;"> <li dir="ltr" style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; list-style-type: disc; text-decoration: none; vertical-align: baseline;"><div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">Developers are now able to </span><a href="https://developers.google.com/web/updates/2015/07/measuring-performance-in-a-service-worker" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">measure their service worker’s performance</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> using the </span><a href="http://www.html5rocks.com/en/tutorials/webperformance/usertiming/" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">User Timing</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> and </span><a href="http://googledevelopers.blogspot.com/2013/12/measuring-network-performance-with.html" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">Resource Timing</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> APIs.</span></div> </li> <li dir="ltr" style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; list-style-type: disc; text-decoration: none; vertical-align: baseline;"><div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">Service workers used exclusively to send </span><a href="https://developers.google.com/web/updates/2015/03/push-notificatons-on-the-open-web" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">push notifications</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> are now kept up-to-date correctly and developers can also use the new </span><a href="https://developer.mozilla.org/en-US/docs/Web/API/ServiceWorkerRegistration/update" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: 'Courier New'; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">update</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> method to manually trigger an update check.</span></div> </li> <li dir="ltr" style="background-color: transparent; color: black; font-family: 'Courier New'; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; list-style-type: disc; text-decoration: none; vertical-align: baseline;"><div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">Sites can now use </span><a href="https://developer.mozilla.org/en-US/docs/Web/API/ServiceWorkerContainer/getRegistrations" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: 'Courier New'; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">getRegistrations()</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> to access all the service workers whose scope matches the current page.</span></div> </li> </ul> <b style="font-weight: normal;"><br /></b> <br /> <div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">Finally, in a breaking change, messages sent via </span><a href="https://github.com/GoogleChrome/samples/tree/gh-pages/service-worker/post-message" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: 'Courier New'; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">Client.postMessage()</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> now fire an event on </span><span style="background-color: transparent; color: black; font-family: 'Courier New'; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">navigator.serviceWorker</span><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> instead of the </span><span style="background-color: transparent; color: black; font-family: 'Courier New'; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">window</span><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> object.</span></div> <h3 dir="ltr" style="line-height: 1.38; margin-bottom: 4pt; margin-top: 14pt; text-align: left;"> <span style="background-color: transparent; color: black; font-family: Arial; font-size: 14.666666666666666px; font-style: normal; font-variant: normal; font-weight: bold; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">Media controls in Android notifications</span></h3> <div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt; text-align: center;"> <span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"><img alt="media-notification.png" height="88px;" src="https://lh5.googleusercontent.com/-H4t4xhJL6DFrojTn-z0tHCA1GiOvzgRCAqkJ5SODoU4gv69oGRKFKbIXFi3FNbb0umX1KCvAJartQE_oROVfASCGbfrqldGGs169NDCuKXTs1c4w-JNMMl4D1wxWWNfCBWSA3k" style="border: none; transform: rotate(0rad);" width="370px;" /></span></div> <div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt; text-align: center;"> <span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: italic; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">Playback controls for currently-playing audio are shown in the notification tray and on the lock screen</span></div> <div style="text-align: center;"> <b style="font-weight: normal;"><br /></b></div> <div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">On Android, native apps can show media controls in a system notification when playing audio, making it easy for users to control audio while multitasking. Chrome 45 brings this capability to the web by showing a notification with media controls when audio is playing in web content. The </span><a href="https://developers.google.com/web/updates/2015/07/media-notifications" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">controls will automatically show up</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> when </span><span style="background-color: transparent; color: black; font-family: 'Courier New'; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"><audio></span><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> or </span><span style="background-color: transparent; color: black; font-family: 'Courier New'; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"><video></span><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> tags play audio longer than 5 seconds.</span></div> <h3 dir="ltr" style="line-height: 1.38; margin-bottom: 4pt; margin-top: 14pt;"> <span style="background-color: transparent; color: black; font-family: Arial; font-size: 14.666666666666666px; font-style: normal; font-variant: normal; font-weight: bold; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">Other updates in this release</span></h3> <ul style="margin-bottom: 0pt; margin-top: 0pt;"> <li dir="ltr" style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; list-style-type: disc; text-decoration: none; vertical-align: baseline;"><div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">Sites </span><a href="https://developers.google.com/web/updates/2015/05/Notifying-you-of-notificiation-changes#notificationoptionsvibrate" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">can now customize</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> the vibration triggered when showing a notification on Android.</span></div> </li> <li dir="ltr" style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; list-style-type: disc; text-decoration: none; vertical-align: baseline;"><div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">Chrome’s implementation of the </span><a href="https://developer.mozilla.org/en-US/docs/Web/API/Push_API" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">Push API</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> has undergone </span><a href="http://updates.html5rocks.com/2015/03/push-notificatons-on-the-open-web#what-changes-exist-in-the-push-api-since-chrome-42" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">several minor breaking changes</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> to keep up to date with the evolving specification.</span></div> </li> <li dir="ltr" style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; list-style-type: disc; text-decoration: none; vertical-align: baseline;"><div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">Sites using </span><a href="https://developers.google.com/web/updates/2015/03/increasing-engagement-with-app-install-banners-in-chrome-for-android" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">promoted add to home screen</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> can now programmatically </span><a href="https://developers.google.com/web/updates/2015/03/increasing-engagement-with-app-install-banners-in-chrome-for-android#prompt" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">control the timing</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> of the banner.</span></div> </li> <li dir="ltr" style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; list-style-type: disc; text-decoration: none; vertical-align: baseline;"><div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">The </span><a href="https://developer.mozilla.org/en-US/docs/Web/API/Touch/rotationAngle" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: 'Courier New'; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">rotationAngle</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> attribute of </span><a href="https://developer.mozilla.org/en-US/docs/Web/API/Touch" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: 'Courier New'; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">Touch</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> objects is no longer prefixed, making it easier for sites to </span><a href="https://developers.google.com/web/updates/2015/07/using-rotationAngle-and-touchRadius" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">understand the geometry of the user's touch</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> with cross-browser code.</span></div> </li> <li dir="ltr" style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; list-style-type: disc; text-decoration: none; vertical-align: baseline;"><div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">To improve scroll performance on pages with heavy mouse handlers or </span><span style="background-color: transparent; color: black; font-family: 'Courier New'; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">:hover</span><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> styles, Chrome </span><a href="https://groups.google.com/a/chromium.org/forum/#!topic/blink-dev/KIoVljZw5fc" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">no longer sends mouse position updates</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> when the user is scrolling with a trackpad or scrollwheel.</span></div> </li> <li dir="ltr" style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; list-style-type: disc; text-decoration: none; vertical-align: baseline;"><div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">Chrome now immediately prefetches all </span><a href="http://www.html5rocks.com/en/tutorials/webcomponents/imports/" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">HTML imports</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> referenced by a page instead of waiting for scripts included higher in the document to finish executing, improving performance.</span></div> </li> <li dir="ltr" style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; list-style-type: disc; text-decoration: none; vertical-align: baseline;"><div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">Sites can now include 3rd-party resources on their site with reduced security risk by </span><a href="https://googlechrome.github.io/samples/subresource-integrity/index.html" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">using a hash to ensure the integrity of 3rd-parties resources</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">.</span></div> </li> <li dir="ltr" style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; list-style-type: disc; text-decoration: none; vertical-align: baseline;"><div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">To reduce the risk of certain types of attack, the </span><span style="background-color: transparent; color: black; font-family: 'Courier New'; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">'self'</span><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> source defined by </span><a href="https://developer.mozilla.org/en-US/docs/Web/Security/CSP/CSP_policy_directives" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">Content Security Policy</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> now excludes </span><span style="background-color: transparent; color: black; font-family: 'Courier New'; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">blob</span><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> and </span><span style="background-color: transparent; color: black; font-family: 'Courier New'; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">filesystem</span><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> URLs.</span></div> </li> <li dir="ltr" style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; list-style-type: disc; text-decoration: none; vertical-align: baseline;"><div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">The </span><a href="http://weakdh.org/" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">logjam attack</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> is fixed in this release by deprecating the use of keys smaller than 1024 bits in Diffie-Hellman key exchanges, which may require developers to </span><a href="https://weakdh.org/sysadmin.html" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">update their server’s TLS configuration</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">.</span></div> </li> <li dir="ltr" style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; list-style-type: disc; text-decoration: none; vertical-align: baseline;"><div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">To improve cross-browser compatibility and specification compliance, </span><a href="https://code.google.com/p/chromium/issues/detail?id=496383" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: 'Courier New'; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">CSSUnknownRule</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> and </span><a href="https://groups.google.com/a/chromium.org/forum/#!msg/blink-dev/wW7w8Hro78s/JDULF2oM9iIJ" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: 'Courier New'; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">CSSKeyframesRule.insertRule()</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> are now deprecated with the latter now replaced by </span><a href="https://developer.mozilla.org/en-US/docs/Web/API/CSSKeyframesRule" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: 'Courier New'; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">CSSKeyframesRule.appendRule()</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">.</span></div> </li> <li dir="ltr" style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; list-style-type: disc; text-decoration: none; vertical-align: baseline;"><div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">Sites using </span><a href="https://developer.mozilla.org/en-US/docs/Web/SVG/SVG_animation_with_SMIL" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">SMIL</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> will now trigger </span><a href="https://groups.google.com/a/chromium.org/forum/#!msg/blink-dev/5o0yiO440LM/59rZqirUQNwJ" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">deprecation</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> warnings in the console, encouraging them to migrate to </span><a href="https://developer.mozilla.org/en-US/docs/Web/Guide/CSS/Using_CSS_animations" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">CSS Animations</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> and </span><a href="https://github.com/web-animations/web-animations-js" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">Web Animations</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">.</span></div> </li> <li dir="ltr" style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; list-style-type: disc; text-decoration: none; vertical-align: baseline;"><div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">This release deprecates both </span><a href="https://www.chromestatus.com/feature/4668884095336448" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">multiple shadow roots</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> and </span><a href="https://www.chromestatus.com/features/6750456638341120" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">shadow-piercing deep selectors</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> following a unanimous decision by browser vendors at the </span><a href="https://www.w3.org/wiki/Webapps/WebComponentsApril2015Meeting" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">Web Components April 2015 meeting</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">.</span></div> </li> <li dir="ltr" style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; list-style-type: disc; text-decoration: none; vertical-align: baseline;"><div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">The </span><a href="https://developer.mozilla.org/en-US/docs/Web/API/MediaStream" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: 'Courier New'; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">MediaStream</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> attributes </span><span style="background-color: transparent; color: black; font-family: 'Courier New'; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">label</span><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> and </span><span style="background-color: transparent; color: black; font-family: 'Courier New'; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">ended</span><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> are </span><a href="https://developers.google.com/web/updates/2015/07/mediastream-deprecations" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">now deprecated</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> in favor of </span><span style="background-color: transparent; color: black; font-family: 'Courier New'; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">id</span><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> and </span><span style="background-color: transparent; color: black; font-family: 'Courier New'; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">active</span><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">, while the </span><span style="background-color: transparent; color: black; font-family: 'Courier New'; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">stop()</span><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> method is deprecated in favor of </span><a href="https://developer.mozilla.org/en-US/docs/Web/API/MediaStreamTrack/stop" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: 'Courier New'; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">MediaStreamTrack.stop()</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">.</span></div> </li> </ul> <div> <span style="background-color: white; color: #222222; font-family: arial, sans-serif; font-size: 12.8px;"><br /></span></div> <div> <span style="background-color: white; color: #222222; font-family: arial, sans-serif; font-size: 12.8px;">Update: The User Timing and Resource Timing APIs are unfortunately not exposed to service workers in this release, but should be available in Chrome 46. </span><span style="color: black; font-family: Arial; font-size: 13.3333px; vertical-align: baseline; white-space: pre-wrap;">As always, visit </span><a href="https://www.chromestatus.com/features" style="line-height: 1.38; text-decoration: none;"><span style="color: #1155cc; font-family: Arial; font-size: 13.3333px; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">chromestatus.com/features</span></a><span style="color: black; font-family: Arial; font-size: 13.3333px; vertical-align: baseline; white-space: pre-wrap;"> for a complete overview of Chrome’s developer features, and circle </span><a href="https://plus.google.com/+GoogleChromeDevelopers" style="line-height: 1.38; text-decoration: none;"><span style="color: #1155cc; font-family: Arial; font-size: 13.3333px; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">+Google Chrome Developers</span></a><span style="color: black; font-family: Arial; font-size: 13.3333px; vertical-align: baseline; white-space: pre-wrap;"> for more frequent updates.</span></div> <br /> <span style="font-family: Arial; font-size: 13.3333px; vertical-align: baseline; white-space: pre-wrap;">Posted by Andreas Rossberg, Software Engineer and ECMAScript Evangelizer</span> <span itemprop='author' itemscope='itemscope' itemtype='http://schema.org/Person'> <meta content='https://plus.google.com/116899029375914044550' itemprop='url'/> </span> </noscript> </div> </div> <div class='share'> <span class='twitter-custom social-wrapper' data-href='http://twitter.com/share?text=Chromium Blog:Chrome 45 Beta: New ES2015 features, service worker improvements, and media controls&url=https://blog.chromium.org/2015/07/chrome-45-beta-new-es2015-features.html&via=ChromiumDev'> <img alt='Share on Twitter' height='24' src='https://www.gstatic.com/images/icons/material/system/2x/post_twitter_black_24dp.png' width='24'/> </span> <span class='fb-custom social-wrapper' data-href='https://www.facebook.com/sharer.php?u=https://blog.chromium.org/2015/07/chrome-45-beta-new-es2015-features.html'> <img alt='Share on Facebook' height='24' src='https://www.gstatic.com/images/icons/material/system/2x/post_facebook_black_24dp.png' width='24'/> </span> </div> <div class='post-footer'> <div class='cmt_iframe_holder' data-href='https://blog.chromium.org/2015/07/chrome-45-beta-new-es2015-features.html' data-viewtype='FILTERED_POSTMOD'></div> <a href='https://plus.google.com/112374322230920073195' rel='author' style='display:none;'> Google </a> <div class='label-footer'> <span class='labels-caption'> Labels: </span> <span class='labels'> <a class='label' href='https://blog.chromium.org/search/label/beta' rel='tag'> beta </a> </span> </div> </div> </div> <div class='post' data-id='2300455739119239071' itemscope='' itemtype='http://schema.org/BlogPosting'> <h2 class='title' itemprop='name'> <a href='https://blog.chromium.org/2015/07/exploring-physical-web-with-chrome-for.html' itemprop='url' title='Exploring the Physical Web with Chrome for iOS'> Exploring the Physical Web with Chrome for iOS </a> </h2> <div class='post-header'> <div class='published'> <span class='publishdate' itemprop='datePublished'> Wednesday, July 22, 2015 </span> </div> </div> <div class='post-body'> <div class='post-content' itemprop='articleBody'> <script type='text/template'> <div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">Today’s connected world is full of opportunities for people to digitally interact with their surroundings on the fly. For example, smart parking meters let users pay through the cloud. But for developers, it’s often difficult to build contextual experiences that people can easily access. Even with the prevalence of smartphones, users are reluctant to install an app or even type a URL while on the go.</span></div> <div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <b id="docs-internal-guid-06b2f115-b719-2ebc-93fd-8721033ee447" style="font-weight: normal;"><br /></b></div> <div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">The </span><a href="http://physical-web.org/" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">Physical Web</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> is an open source approach to help you build contextual interactions that people can discover and use with less friction. A few months ago, Chrome for iOS added a </span><a href="https://support.google.com/chrome/answer/6204307" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">Today widget</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> to let users open a new tab or do a voice search right from the Notification Center.  The new Chrome for iOS  integrates the Physical Web into the Chrome Today widget, enabling users to access an on-demand list of web content that is relevant to their surroundings.</span></div> <div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <b style="font-weight: normal;"><br /></b></div> <div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt; text-align: center;"> <span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"><img height="203px;" src="https://lh6.googleusercontent.com/RVMxEQUW5qJhBagflA5J-gl2tIIhXfoMOFQ4JV4eJkg17qmo5oegunpF2HdgGDnvzxT2Or9IfaE4A0eV_zQumeYmf8S8WL3GcohLAkYYNPTV8NO0Nd7e7xGY0mAtbP3wtcy_fLk" style="-webkit-transform: rotate(0.00rad); border: none; transform: rotate(0.00rad);" width="360px;" /></span></div> <div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <b style="font-weight: normal;"><br /></b></div> <div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">It’s easy to make your content discoverable via the Physical Web using Eddystone, an open Bluetooth Low Energy beacon format </span><a href="http://googledevelopers.blogspot.com/2015/07/lighting-way-with-ble-beacons.html" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">announced</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> last week. </span><a href="https://github.com/google/eddystone" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">Eddystone</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> supports multiple frame types for different use cases. The Physical Web displays content that is broadcasted using </span><a href="https://github.com/google/eddystone/tree/master/eddystone-url" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">Eddystone-URL</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">, the beacon frame type designed to convey compressed URLs. You can add your content to the Physical Web by simply configuring a </span><a href="https://developers.google.com/beacons/#beacon-manufacturers" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">beacon that supports Eddystone-URL</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> to transmit your URL of choice.</span></div> <div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <b style="font-weight: normal;"><br /></b></div> <div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">When users who have enabled the Physical Web open the Today view, the Chrome widget scans for broadcasted URLs and displays these results, using estimated proximity of the beacons to rank the content. You can learn more about the types of user experiences that the Physical Web enables by visiting our </span><a href="http://google.github.io/physical-web/cookbook/" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">cookbook</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> and joining the open source community on </span><a href="https://github.com/google/physical-web" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">GitHub</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">.</span></div> <div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <b style="font-weight: normal;"><br /></b></div> <div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">The new Chrome for iOS is an early exploration in enabling users to access the Physical Web in their day-to-day mobile experiences. As the ecosystem grows,  we’ll continue to explore new ways to bring the Physical Web to users’ fingertips. We’re looking forward to seeing the new contextual experiences you’ll build.</span></div> <div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <b style="font-weight: normal;"><br /></b></div> <div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">Posted by Jake Leichtling, Physical Web Explorer</span></div> <div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <br /></div> <br /> <span itemprop='author' itemscope='itemscope' itemtype='http://schema.org/Person'> <meta content='https://plus.google.com/116899029375914044550' itemprop='url'/> </span> </script> <noscript> <div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">Today’s connected world is full of opportunities for people to digitally interact with their surroundings on the fly. For example, smart parking meters let users pay through the cloud. But for developers, it’s often difficult to build contextual experiences that people can easily access. Even with the prevalence of smartphones, users are reluctant to install an app or even type a URL while on the go.</span></div> <div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <b id="docs-internal-guid-06b2f115-b719-2ebc-93fd-8721033ee447" style="font-weight: normal;"><br /></b></div> <div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">The </span><a href="http://physical-web.org/" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">Physical Web</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> is an open source approach to help you build contextual interactions that people can discover and use with less friction. A few months ago, Chrome for iOS added a </span><a href="https://support.google.com/chrome/answer/6204307" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">Today widget</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> to let users open a new tab or do a voice search right from the Notification Center.  The new Chrome for iOS  integrates the Physical Web into the Chrome Today widget, enabling users to access an on-demand list of web content that is relevant to their surroundings.</span></div> <div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <b style="font-weight: normal;"><br /></b></div> <div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt; text-align: center;"> <span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"><img height="203px;" src="https://lh6.googleusercontent.com/RVMxEQUW5qJhBagflA5J-gl2tIIhXfoMOFQ4JV4eJkg17qmo5oegunpF2HdgGDnvzxT2Or9IfaE4A0eV_zQumeYmf8S8WL3GcohLAkYYNPTV8NO0Nd7e7xGY0mAtbP3wtcy_fLk" style="-webkit-transform: rotate(0.00rad); border: none; transform: rotate(0.00rad);" width="360px;" /></span></div> <div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <b style="font-weight: normal;"><br /></b></div> <div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">It’s easy to make your content discoverable via the Physical Web using Eddystone, an open Bluetooth Low Energy beacon format </span><a href="http://googledevelopers.blogspot.com/2015/07/lighting-way-with-ble-beacons.html" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">announced</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> last week. </span><a href="https://github.com/google/eddystone" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">Eddystone</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> supports multiple frame types for different use cases. The Physical Web displays content that is broadcasted using </span><a href="https://github.com/google/eddystone/tree/master/eddystone-url" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">Eddystone-URL</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">, the beacon frame type designed to convey compressed URLs. You can add your content to the Physical Web by simply configuring a </span><a href="https://developers.google.com/beacons/#beacon-manufacturers" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">beacon that supports Eddystone-URL</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> to transmit your URL of choice.</span></div> <div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <b style="font-weight: normal;"><br /></b></div> <div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">When users who have enabled the Physical Web open the Today view, the Chrome widget scans for broadcasted URLs and displays these results, using estimated proximity of the beacons to rank the content. You can learn more about the types of user experiences that the Physical Web enables by visiting our </span><a href="http://google.github.io/physical-web/cookbook/" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">cookbook</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> and joining the open source community on </span><a href="https://github.com/google/physical-web" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">GitHub</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">.</span></div> <div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <b style="font-weight: normal;"><br /></b></div> <div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">The new Chrome for iOS is an early exploration in enabling users to access the Physical Web in their day-to-day mobile experiences. As the ecosystem grows,  we’ll continue to explore new ways to bring the Physical Web to users’ fingertips. We’re looking forward to seeing the new contextual experiences you’ll build.</span></div> <div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <b style="font-weight: normal;"><br /></b></div> <div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">Posted by Jake Leichtling, Physical Web Explorer</span></div> <div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <br /></div> <br /> <span itemprop='author' itemscope='itemscope' itemtype='http://schema.org/Person'> <meta content='https://plus.google.com/116899029375914044550' itemprop='url'/> </span> </noscript> </div> </div> <div class='share'> <span class='twitter-custom social-wrapper' data-href='http://twitter.com/share?text=Chromium Blog:Exploring the Physical Web with Chrome for iOS&url=https://blog.chromium.org/2015/07/exploring-physical-web-with-chrome-for.html&via=ChromiumDev'> <img alt='Share on Twitter' height='24' src='https://www.gstatic.com/images/icons/material/system/2x/post_twitter_black_24dp.png' width='24'/> </span> <span class='fb-custom social-wrapper' data-href='https://www.facebook.com/sharer.php?u=https://blog.chromium.org/2015/07/exploring-physical-web-with-chrome-for.html'> <img alt='Share on Facebook' height='24' src='https://www.gstatic.com/images/icons/material/system/2x/post_facebook_black_24dp.png' width='24'/> </span> </div> <div class='post-footer'> <div class='cmt_iframe_holder' data-href='https://blog.chromium.org/2015/07/exploring-physical-web-with-chrome-for.html' data-viewtype='FILTERED_POSTMOD'></div> <a href='https://plus.google.com/112374322230920073195' rel='author' style='display:none;'> Google </a> <div class='label-footer'> </div> </div> </div> <div class='post' data-id='5834748902261751593' itemscope='' itemtype='http://schema.org/BlogPosting'> <h2 class='title' itemprop='name'> <a href='https://blog.chromium.org/2015/07/revving-up-javascript-performance-with.html' itemprop='url' title='Revving up JavaScript performance with TurboFan'> Revving up JavaScript performance with TurboFan </a> </h2> <div class='post-header'> <div class='published'> <span class='publishdate' itemprop='datePublished'> Tuesday, July 7, 2015 </span> </div> </div> <div class='post-body'> <div class='post-content' itemprop='articleBody'> <script type='text/template'> <div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">The JavaScript ecosystem is evolving in several promising ways. There have been mainstream standards advancements like the recent approval of </span><a href="http://www.ecma-international.org/ecma-262/6.0/" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">ECMAScript 2015</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">, as well as early-stage experiments like </span><a href="https://developers.google.com/v8/experiments" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">Strong Mode</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">, to name a few. Balancing the needs of these new directions demands a flexible </span><a href="https://en.wikipedia.org/wiki/Just-in-time_compilation" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">just-in-time compiler</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">, and we've been hard at work on a brand new compiler for V8, codenamed "TurboFan." Since Chrome 41, TurboFan has been enabled for certain types of code, speeding up traditional content as well as improving performance for new language features.</span></div> <b id="docs-internal-guid-c091a120-68d5-c4fd-71ff-c7f51208a27e" style="font-weight: normal;"><br /></b> <div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">TurboFan was built from the ground up with many unique capabilities in mind. It optimizes more code than the </span><a href="http://blog.chromium.org/2010/12/new-crankshaft-for-v8.html" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">previous optimizing compiler</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">, supports flexible and dynamic optimization modes, and enables easier contributions and maintenance. Thanks to these features and more, we've turned on TurboFan for some types of code that were challenging for our previous compiler to optimize, such as </span><a href="http://asmjs.org/" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">asm.js</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">, class literals, with scopes, computed property names and for-of loops. TurboFan already shows promising performance results, including a 29% increase on the zlib score of the </span><a href="https://developers.google.com/octane/" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">Octane benchmark</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">.</span></div> <b style="font-weight: normal;"><br /></b> <div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt; text-align: center;"> <span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"><img height="289px;" src="https://lh5.googleusercontent.com/zmeTdKgV2koBaMn97J4DqKlxa3cEaSdZxxyNCwasfkY3kxM41-YTLJsGaNu0Ln3enkcmsuRr660dC1cz_UKXD3n4T7boUzGEMJZeGfL1G-YkOHzoCOvBs6C_r_yBV1pCqqwd_34" style="-webkit-transform: rotate(0.00rad); border: none; transform: rotate(0.00rad);" width="473px;" /></span></div> <div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"><br class="kix-line-break" /></span><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">Over the coming months, we expect to enable TurboFan for more and more types of JavaScript, with the eventual goal of entirely replacing our existing CrankShaft compiler. As it rolls out, developers' code will automatically get these free speedups with no changes needed. Stay tuned for future progress.</span></div> <br /> <div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">Posted by Ben L. Titzer, Software Engineer and TurboFan Mechanic</span></div> <span itemprop='author' itemscope='itemscope' itemtype='http://schema.org/Person'> <meta content='https://plus.google.com/116899029375914044550' itemprop='url'/> </span> </script> <noscript> <div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">The JavaScript ecosystem is evolving in several promising ways. There have been mainstream standards advancements like the recent approval of </span><a href="http://www.ecma-international.org/ecma-262/6.0/" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">ECMAScript 2015</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">, as well as early-stage experiments like </span><a href="https://developers.google.com/v8/experiments" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">Strong Mode</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">, to name a few. Balancing the needs of these new directions demands a flexible </span><a href="https://en.wikipedia.org/wiki/Just-in-time_compilation" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">just-in-time compiler</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">, and we've been hard at work on a brand new compiler for V8, codenamed "TurboFan." Since Chrome 41, TurboFan has been enabled for certain types of code, speeding up traditional content as well as improving performance for new language features.</span></div> <b id="docs-internal-guid-c091a120-68d5-c4fd-71ff-c7f51208a27e" style="font-weight: normal;"><br /></b> <div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">TurboFan was built from the ground up with many unique capabilities in mind. It optimizes more code than the </span><a href="http://blog.chromium.org/2010/12/new-crankshaft-for-v8.html" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">previous optimizing compiler</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">, supports flexible and dynamic optimization modes, and enables easier contributions and maintenance. Thanks to these features and more, we've turned on TurboFan for some types of code that were challenging for our previous compiler to optimize, such as </span><a href="http://asmjs.org/" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">asm.js</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">, class literals, with scopes, computed property names and for-of loops. TurboFan already shows promising performance results, including a 29% increase on the zlib score of the </span><a href="https://developers.google.com/octane/" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">Octane benchmark</span></a><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">.</span></div> <b style="font-weight: normal;"><br /></b> <div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt; text-align: center;"> <span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"><img height="289px;" src="https://lh5.googleusercontent.com/zmeTdKgV2koBaMn97J4DqKlxa3cEaSdZxxyNCwasfkY3kxM41-YTLJsGaNu0Ln3enkcmsuRr660dC1cz_UKXD3n4T7boUzGEMJZeGfL1G-YkOHzoCOvBs6C_r_yBV1pCqqwd_34" style="-webkit-transform: rotate(0.00rad); border: none; transform: rotate(0.00rad);" width="473px;" /></span></div> <div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"><br class="kix-line-break" /></span><span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">Over the coming months, we expect to enable TurboFan for more and more types of JavaScript, with the eventual goal of entirely replacing our existing CrankShaft compiler. As it rolls out, developers' code will automatically get these free speedups with no changes needed. Stay tuned for future progress.</span></div> <br /> <div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <span style="background-color: transparent; color: black; font-family: Arial; font-size: 13.333333333333332px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">Posted by Ben L. Titzer, Software Engineer and TurboFan Mechanic</span></div> <span itemprop='author' itemscope='itemscope' itemtype='http://schema.org/Person'> <meta content='https://plus.google.com/116899029375914044550' itemprop='url'/> </span> </noscript> </div> </div> <div class='share'> <span class='twitter-custom social-wrapper' data-href='http://twitter.com/share?text=Chromium Blog:Revving up JavaScript performance with TurboFan&url=https://blog.chromium.org/2015/07/revving-up-javascript-performance-with.html&via=ChromiumDev'> <img alt='Share on Twitter' height='24' src='https://www.gstatic.com/images/icons/material/system/2x/post_twitter_black_24dp.png' width='24'/> </span> <span class='fb-custom social-wrapper' data-href='https://www.facebook.com/sharer.php?u=https://blog.chromium.org/2015/07/revving-up-javascript-performance-with.html'> <img alt='Share on Facebook' height='24' src='https://www.gstatic.com/images/icons/material/system/2x/post_facebook_black_24dp.png' width='24'/> </span> 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dir='ltr' href='https://blog.chromium.org/search/label/frameworks'> frameworks </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/fugu'> fugu </a> <span dir='ltr'> 2 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/fund'> fund </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/funding'> funding </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/gdd'> gdd </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/google%20earth'> google earth </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/google%20event'> google event </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/google%20io%202019'> google io 2019 </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/google%20web%20developer'> google web developer </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/googlechrome'> googlechrome </a> <span dir='ltr'> 12 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/harmful%20ads'> harmful ads </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/html5'> html5 </a> <span dir='ltr'> 11 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/HTTP%2F3'> HTTP/3 </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/HTTPS'> HTTPS </a> <span dir='ltr'> 4 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/iframes'> iframes </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/images'> images </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/incognito'> incognito </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/insecure%20forms'> insecure forms </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/intent%20to%20explain'> intent to explain </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/ios'> ios </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/ios%20Chrome'> ios Chrome </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/issue%20tracker'> issue tracker </a> <span dir='ltr'> 3 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/jank'> jank </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/javascript'> javascript </a> <span dir='ltr'> 5 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/lab%20data'> lab data </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/labelling'> labelling </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/largest%20contentful%20paint'> largest contentful paint </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/launch'> launch </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/lazy-loading'> lazy-loading </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/lighthouse'> lighthouse </a> <span dir='ltr'> 2 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/linux'> linux </a> <span dir='ltr'> 2 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/Lite%20Mode'> Lite Mode </a> <span dir='ltr'> 2 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/Lite%20pages'> Lite pages </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/loading%20interventions'> loading interventions </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/loading%20optimizations'> loading optimizations </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/lock%20icon'> lock icon </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/long-tail'> long-tail </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/mac'> mac </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/manifest%20v3'> manifest v3 </a> <span dir='ltr'> 2 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/metrics'> metrics </a> <span dir='ltr'> 2 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/microsoft%20edge'> microsoft edge </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/mixed%20forms'> mixed forms </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/mobile'> mobile </a> <span dir='ltr'> 2 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/na'> na </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/native%20client'> native client </a> <span dir='ltr'> 8 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/native%20file%20system'> native file system </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/New%20Features'> New Features </a> <span dir='ltr'> 5 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/notifications'> notifications </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/octane'> octane </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/open%20web'> open web </a> <span dir='ltr'> 4 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/origin%20trials'> origin trials </a> <span dir='ltr'> 2 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/pagespeed%20insights'> pagespeed insights </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/pagespeedinsights'> pagespeedinsights </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/passwords'> passwords </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/payment%20handler'> payment handler </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/payment%20request'> payment request </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/payments'> payments </a> <span dir='ltr'> 2 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/performance'> performance </a> <span dir='ltr'> 20 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/performance%20tools'> performance tools </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/permission%20UI'> permission UI </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/permissions'> permissions </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/play%20store'> play store </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/portals'> portals </a> <span dir='ltr'> 3 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/prefetching'> prefetching </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/privacy'> privacy </a> <span dir='ltr'> 2 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/privacy%20sandbox'> privacy sandbox </a> <span dir='ltr'> 4 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/private%20prefetch%20proxy'> private prefetch proxy </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/profile%20guided%20optimization'> profile guided optimization </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/progressive%20web%20apps'> progressive web apps </a> <span dir='ltr'> 2 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/Project%20Strobe'> Project Strobe </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/protection'> protection </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/pwa'> pwa </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/QUIC'> QUIC </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/quieter%20permissions'> quieter permissions </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/releases'> releases </a> <span dir='ltr'> 3 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/removals'> removals </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/rlz'> rlz </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/root%20program'> root program </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/safe%20browsing'> safe browsing </a> <span dir='ltr'> 2 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/Secure%20DNS'> Secure DNS </a> <span dir='ltr'> 2 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/security'> security </a> <span dir='ltr'> 36 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/site%20isolation'> site isolation </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/slow%20loading'> slow loading </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/sms%20receiver'> sms receiver </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/spam%20policy'> spam policy </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/spdy'> spdy </a> <span dir='ltr'> 2 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/spectre'> spectre </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/speed'> speed </a> <span dir='ltr'> 4 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/ssl'> ssl </a> <span dir='ltr'> 2 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/store%20listing'> store listing </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/strobe'> strobe </a> <span dir='ltr'> 2 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/subscription%20pages'> subscription pages </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/suspicious%20site%20reporter%20extension'> suspicious site reporter extension </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/TCP'> TCP </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/the%20fast%20and%20the%20curious'> the fast and the curious </a> <span dir='ltr'> 23 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/TLS'> TLS </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/tools'> tools </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/tracing'> tracing </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/transparency'> transparency </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/trusted%20web%20activities'> trusted web activities </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/twa'> twa </a> <span dir='ltr'> 2 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/user%20agent%20string'> user agent string </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/user%20data%20policy'> user data policy </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/v8'> v8 </a> <span dir='ltr'> 6 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/video'> video </a> <span dir='ltr'> 2 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/wasm'> wasm </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/web'> web </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/web%20apps'> web apps </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/web%20assembly'> web assembly </a> <span dir='ltr'> 2 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/web%20developers'> web developers </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/web%20intents'> web intents </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/web%20packaging'> web packaging </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/web%20payments'> web payments </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/web%20platform'> web platform </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/web%20request%20api'> web request api </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/web%20vitals'> web vitals </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/web.dev'> web.dev </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/web.dev%20live'> web.dev live </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/webapi'> webapi </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/webassembly'> webassembly </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/webaudio'> webaudio </a> <span dir='ltr'> 3 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/webgl'> webgl </a> <span dir='ltr'> 7 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/webkit'> webkit </a> <span dir='ltr'> 5 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/WebM'> WebM </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/webmaster'> webmaster </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/webp'> webp </a> <span dir='ltr'> 5 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/webrtc'> webrtc </a> <span dir='ltr'> 6 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/websockets'> websockets </a> <span dir='ltr'> 5 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/webtiming'> webtiming </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/writable-files'> writable-files </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/yerba%20beuna%20center%20for%20the%20arts'> yerba beuna center for the arts </a> <span dir='ltr'> 1 </span> </li> </ul> <div class='clear'></div> </div> </div><div class='widget BlogArchive' data-version='1' id='BlogArchive1'> <div class='tab'> <i class='material-icons icon'>  </i> <h2> Archive </h2> <i class='material-icons arrow'>  </i> </div> <div class='widget-content'> <div id='ArchiveList'> <div id='BlogArchive1_ArchiveList'> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class='intervalToggle'> <span class='new-toggle' href='javascript:void(0)'> <i class='material-icons arrow'>  </i> </span> <a class='toggle' href='javascript:void(0)' style='display: none'> <span class='zippy'> <i class='material-icons'>  </i>   </span> </a> <a class='post-count-link' href='https://blog.chromium.org/2025/'> 2025 </a> </div> <div class='items'> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://blog.chromium.org/2025/01/'> Jan </a> </div> <div class='items'> </div> </li> </ul> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class='intervalToggle'> <span 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class=''> <a class='post-count-link' href='https://blog.chromium.org/2019/03/'> Mar </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://blog.chromium.org/2019/02/'> Feb </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://blog.chromium.org/2019/01/'> Jan </a> </div> <div class='items'> </div> </li> </ul> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class='intervalToggle'> <span class='new-toggle' href='javascript:void(0)'> <i class='material-icons arrow'>  </i> </span> <a class='toggle' href='javascript:void(0)' style='display: none'> <span class='zippy'> <i class='material-icons'>  </i>   </span> </a> <a class='post-count-link' href='https://blog.chromium.org/2018/'> 2018 </a> </div> <div class='items'> <ul class='hierarchy'> 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class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://blog.chromium.org/2018/07/'> Jul </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://blog.chromium.org/2018/06/'> Jun </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://blog.chromium.org/2018/05/'> May </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://blog.chromium.org/2018/04/'> Apr </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://blog.chromium.org/2018/03/'> Mar </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://blog.chromium.org/2018/02/'> Feb </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://blog.chromium.org/2018/01/'> Jan </a> </div> <div class='items'> </div> </li> </ul> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class='intervalToggle'> <span class='new-toggle' href='javascript:void(0)'> <i class='material-icons arrow'>  </i> </span> <a class='toggle' href='javascript:void(0)' style='display: none'> <span class='zippy'> <i class='material-icons'>  </i>   </span> </a> <a class='post-count-link' href='https://blog.chromium.org/2017/'> 2017 </a> </div> <div class='items'> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://blog.chromium.org/2017/12/'> Dec </a> </div> <div class='items'> 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</ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://blog.chromium.org/2017/01/'> Jan </a> </div> <div class='items'> </div> </li> </ul> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class='intervalToggle'> <span class='new-toggle' href='javascript:void(0)'> <i class='material-icons arrow'>  </i> </span> <a class='toggle' href='javascript:void(0)' style='display: none'> <span class='zippy'> <i class='material-icons'>  </i>   </span> </a> <a class='post-count-link' href='https://blog.chromium.org/2016/'> 2016 </a> </div> <div class='items'> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://blog.chromium.org/2016/12/'> Dec </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://blog.chromium.org/2016/11/'> Nov </a> 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class='material-icons arrow'>  </i> </span> <a class='toggle' href='javascript:void(0)' style='display: none'> <span class='zippy toggle-open'> <i class='material-icons'>  </i>   </span> </a> <a class='post-count-link' href='https://blog.chromium.org/2015/'> 2015 </a> </div> <div class='items'> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://blog.chromium.org/2015/12/'> Dec </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://blog.chromium.org/2015/11/'> Nov </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://blog.chromium.org/2015/10/'> Oct </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://blog.chromium.org/2015/09/'> Sep </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://blog.chromium.org/2015/08/'> Aug </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate expanded'> <div class=''> <a class='post-count-link' href='https://blog.chromium.org/2015/07/'> Jul </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://blog.chromium.org/2015/06/'> Jun </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://blog.chromium.org/2015/05/'> May </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://blog.chromium.org/2015/04/'> Apr </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://blog.chromium.org/2015/03/'> Mar </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://blog.chromium.org/2015/02/'> Feb </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://blog.chromium.org/2015/01/'> Jan </a> </div> <div class='items'> </div> </li> </ul> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class='intervalToggle'> <span class='new-toggle' href='javascript:void(0)'> <i class='material-icons arrow'>  </i> </span> <a class='toggle' href='javascript:void(0)' style='display: none'> <span class='zippy'> <i class='material-icons'>  </i>   </span> </a> <a class='post-count-link' href='https://blog.chromium.org/2014/'> 2014 </a> </div> <div class='items'> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://blog.chromium.org/2014/12/'> Dec </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://blog.chromium.org/2014/11/'> Nov </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://blog.chromium.org/2014/10/'> Oct </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://blog.chromium.org/2014/09/'> Sep </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> 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class=''> <a class='post-count-link' href='https://blog.chromium.org/2014/03/'> Mar </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://blog.chromium.org/2014/02/'> Feb </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://blog.chromium.org/2014/01/'> Jan </a> </div> <div class='items'> </div> </li> </ul> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class='intervalToggle'> <span class='new-toggle' href='javascript:void(0)'> <i class='material-icons arrow'>  </i> </span> <a class='toggle' href='javascript:void(0)' style='display: none'> <span class='zippy'> <i class='material-icons'>  </i>   </span> </a> <a class='post-count-link' href='https://blog.chromium.org/2013/'> 2013 </a> </div> <div class='items'> <ul class='hierarchy'> 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class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://blog.chromium.org/2013/02/'> Feb </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://blog.chromium.org/2013/01/'> Jan </a> </div> <div class='items'> </div> </li> </ul> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class='intervalToggle'> <span class='new-toggle' href='javascript:void(0)'> <i class='material-icons arrow'>  </i> </span> <a class='toggle' href='javascript:void(0)' style='display: none'> <span class='zippy'> <i class='material-icons'>  </i>   </span> </a> <a class='post-count-link' href='https://blog.chromium.org/2012/'> 2012 </a> </div> <div class='items'> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://blog.chromium.org/2012/12/'> Dec </a> </div> <div class='items'> 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</li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://blog.chromium.org/2012/06/'> Jun </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://blog.chromium.org/2012/05/'> May </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://blog.chromium.org/2012/04/'> Apr </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://blog.chromium.org/2012/03/'> Mar </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://blog.chromium.org/2012/02/'> Feb </a> </div> <div class='items'> </div> </li> 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<div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://blog.chromium.org/2011/05/'> May </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://blog.chromium.org/2011/04/'> Apr </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://blog.chromium.org/2011/03/'> Mar </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://blog.chromium.org/2011/02/'> Feb </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://blog.chromium.org/2011/01/'> Jan </a> </div> <div class='items'> </div> </li> </ul> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class='intervalToggle'> <span class='new-toggle' href='javascript:void(0)'> <i class='material-icons arrow'>  </i> </span> <a class='toggle' href='javascript:void(0)' style='display: none'> <span class='zippy'> <i class='material-icons'>  </i>   </span> </a> <a class='post-count-link' href='https://blog.chromium.org/2010/'> 2010 </a> </div> <div class='items'> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://blog.chromium.org/2010/12/'> Dec </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://blog.chromium.org/2010/11/'> Nov </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://blog.chromium.org/2010/10/'> Oct </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://blog.chromium.org/2010/09/'> Sep </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://blog.chromium.org/2010/08/'> Aug </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://blog.chromium.org/2010/07/'> Jul </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://blog.chromium.org/2010/06/'> Jun </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://blog.chromium.org/2010/05/'> May </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://blog.chromium.org/2010/04/'> Apr </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://blog.chromium.org/2010/03/'> Mar </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://blog.chromium.org/2010/02/'> Feb </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://blog.chromium.org/2010/01/'> Jan </a> </div> <div class='items'> </div> </li> </ul> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class='intervalToggle'> 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class=''> <a class='post-count-link' href='https://blog.chromium.org/2009/08/'> Aug </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://blog.chromium.org/2009/07/'> Jul </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://blog.chromium.org/2009/06/'> Jun </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://blog.chromium.org/2009/05/'> May </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://blog.chromium.org/2009/04/'> Apr </a> </div> <div class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> 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