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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='7907557716576560510' itemscope='' itemtype='http://schema.org/BlogPosting'> <h2 class='title' itemprop='name'> <a href='https://blog.chromium.org/2018/10/chrome-71-beta-relative-time-formats.html' itemprop='url' title='Chrome 71 Beta: relative time formats and more'> Chrome 71 Beta: relative time formats and more </a> </h2> <div class='post-header'> <div class='published'> <span class='publishdate' itemprop='datePublished'> Thursday, October 25, 2018 </span> </div> </div> <div class='post-body'> <div class='post-content' itemprop='articleBody'> <script type='text/template'> Unless otherwise noted, changes described below apply to the newest Chrome Beta channel release for Android, Chrome OS, Linux, macOS, and Windows. View a complete list of the features in Chrome 71 on <a href="https://www.chromestatus.com/features#milestone%3D71">ChromeStatus.com</a>. Chrome 71 is beta as of October 25, 2018.<br /> <h1> International Relative Time Format</h1> When writing (and speaking), phrases such as 'yesterday' or 'in three months' are common. Yet such phrases are not part of built-in date and time APIs. To fill this need, libraries provide utility functions to provide localized versions of such phrases. The downside to this approach is that using these functions on the web requires downloading lists of customary words or phrases for each supported language. This increases a library's bundle size and download time.<br /> <br /> Chrome 71 introduces <code><a href="https://developers.google.com/web/updates/2018/10/intl-relativetimeformat">Intl.RelativeTimeFormat()</a></code>, which shifts the burden to the JavaScript engine. A few examples show how this works.<br /> <br /> <br /> <pre>const rtf = new Intl.RelativeTimeFormat('en'); rtf.format(3.14, 'second'); // → 'in 3.14 seconds' rtf.format(-15, 'minute'); // → '15 minutes ago'</pre> <br /> This new API has a number of capabilities beyond what is shown here including such things as retrieving information for multiple languages, dealing with parts of a date or time individually (in other words, <code>formatToParts()</code>), and more. <a href="https://developers.google.com/web/updates/2018/10/intl-relativetimeformat">Read our article</a> for details.<br /> <h1> Other features in this release</h1> <h2> Add FullscreenOptions</h2> The <code>Element.requestFullscreen()</code> method can now be <a href="https://www.chromestatus.com/feature/5188650908254208">customized on Android</a> using an optional options parameter. Its <code><a href="https://github.com/dtapuska/fullscreen#proposed-api-change">navigationUI</a></code> parameter allows you to choose between making the navigation bar visible versus a completely immersive mode where no user agent controls are shown until a gesture is performed. Possible values are <code>"auto"</code>, <code>"show"</code>, and <code>"hide"</code>. This value expresses an application preference, with <code>"auto"</code> meaning no preference. The UI may overrule this vale in any case.<br /> <h2> Add 'persistent-storage' property to the Permission API</h2> The <code>"persistent-storage"</code> property is <a href="https://www.chromestatus.com/feature/4770049554382848">a new permission</a> for the Permission API. The permission state can already be queried with <code>navigator.storage.persisted()</code>, with this change <code>navigator.permissions.query({name:"persistent-storage"})</code> can be used as well. <br /> <h2> Async touchpad pinch zoom events</h2> <a href="https://www.chromestatus.com/feature/5065661281730560">Async touchpad pinch zoom events</a> are for improving the page pinch zoom performance. Currently, the touchpad pinch zoom exposes a control wheel event that allows JS to cancel it. With this change, if the user doesn't make a pinch action on the touchpad, effectively canceling the control wheel event, then following control wheel events are not cancelable. But JavaScript does not know which ctrl wheel is the first one in the sequence, so if you want to cancel pinch zoom, you need to cancel all of them.<br /> <h2> COLR/CPAL font support</h2> <a href="https://www.chromestatus.com/feature/5897235770376192">Chrome now supports</a> <a href="https://glyphsapp.com/tutorials/creating-a-microsoft-color-font">COLR/CPAL fonts</a> which are a type of OpenType color font composed of layers of vector outline glyphs and color palette information into the final colored glyph. With this change, Chrome supports three color font formats cross-platform, the other two being CBDT/CBLC and SBIX. Because they are vector based, COLR/CPAL fonts provide for faster downloads and require less storage. An example of a COLR/CPAL font is the <a href="https://github.com/mozilla/twemoji-colr">Twemoji</a> color font.<br /> <h2> CSS gradient color stop double-position syntax</h2> Support is added for the stop position syntax from the <a href="https://www.w3.org/TR/css-images-4/">CSS Image Values and Replaced Content Module Level 4</a> spec. Currently, repeating colors require explicit positions. For example:<br /> <br /> <pre>linear-gradient(45deg, black 25%, black 50%, white 50%, white 75%)</pre> <br /> To simplify the definition of solid color bands, two positions may be specified instead. For example: <br /> <br /> <pre>linear-gradient(45deg, black 25% 50%, white 50% 75%)</pre> <h2> Implement 'left' and 'right' values for 'text-underline-position' </h2> Currently, in vertical flow for Chinese and Japanese, which side the underline appears on is not the same across browsers. To fix this, Chrome is adding <a href="https://www.chromestatus.com/feature/5749634488074240">support for <code>'left'</code> and <code>'right'</code> values</a> of the <code>'text-underline-position'</code> property. This property is part of the CSS3 Text Decoration spec which adds properties that implement new text decoration styling features such as lines, color, and style, including <code>'text-underline-position'</code>. <br /> <h2> JavaScript Modules: Credentials mode defaults to "same-origin"</h2> The default credentials mode for module script requests <a href="https://www.chromestatus.com/feature/6710957388595200">is changing</a> from <code>"omit"</code> to <code>"same-origin"</code>, providing credentials to same-origin module script requests and their descendant scripts (static and dynamic imports). The current behavior can be surprising in that it's misaligned with other high-level features like the Fetch API, and in the web platform's current architecture, causes a second server connection. This is undesirable for developers looking to reduce latency.<br /> <h2> TextEncoderStream and TextDecoderStream APIs</h2> Text encoding and decoding <a href="https://www.chromestatus.com/feature/4881011259211776">supports streams</a> to enable you to easily convert streams of binary data to text and vice-versa. An example of its usefulness is with readable streams. With a non-stream Response object, <code>response.body.text()</code> returns text. There is no equivalent for the <code>ReadableStream</code> returned by <code>Response.Body</code>, which can only return bytes. With the new API a streaming response body may be converted to text as so: <code>Response.Body.pipeThrough(new TextDecoderStream())</code>.<br /> <h2> Unprefixed Fullscreen API</h2> The Fullscreen API has features for entering, and exiting fullscreen mode as well as event handlers for monitoring such changes. A prefixed version of the API has been supported since Chrome 15. <a href="https://www.chromestatus.com/feature/6596356319739904">This update</a> adds an unprefixed version of the API.<br /> <h2> MediaElement and MediaStream nodes defined only for AudioContext</h2> <a href="https://www.chromestatus.com/feature/5258622686724096">Chrome now only allows</a> creation of <code>MediaElementAudioSourceNode</code>, <code>MediaStreamAudioSourceNode</code>, and <code>MediaStreamAudioDestinationNode</code> elements using an <code>AudioContext</code>. Previously these could be created using an <code>OfflineAudioContext</code>, but that does not comply with the spec. The behavior with an <code>OfflineAudioContext</code> is not well-defined and contrary to the real-time nature of the nodes themselves.<br /> <h1> Interoperability improvements</h1> <h2> Call capture event listeners in capturing phase at shadow hosts</h2> To be interoperable with other browsers, <a href="https://www.chromestatus.com/feature/5636327009681408">Chrome now calls</a> capture event listeners in the capturing phase at shadow hosts. Previously this was done in the bubbling phase on Chrome. A <a href="https://github.com/whatwg/dom/issues/685">complete discussion</a> may be read on the WHATWG repo on GitHub.<br /> <h2> Improve :host, :host-context, and ::slotted specificity</h2> <a href="https://www.chromestatus.com/feature/5177305701810176">Chrome now calculates</a> the specificity for the <code>:host()</code> and <code>:host-context()</code> pseudo classes as well as for the arguments for <code>::slotted()</code>. This brings it into compliance with the <a href="https://w3c.github.io/webcomponents/spec/shadow/">Shadow DOM v1 spec</a>.<br /> Shipping this will ensure interoperability between browsers since other browsers have or are about to ship this in their stable releases.<br /> <h1> Deprecations and Removals</h1> Chrome sometimes deprecates, removes, or changes features to increase interoperability with other browsers. This version of Chrome includes the following such changes. <br /> <h2> Remove SpeechSynthesis.speak without user activation</h2> The <code>speechSynthesis.speak()</code> method <a href="https://www.chromestatus.com/feature/5687444770914304">now fires an error</a> if the document has not received user activation. This API is being abused by sites since it is one of the only remaining APIs which didn't adhere to autoplay policies in Chrome. <br /> <h2> Remove importScripts() of new scripts after service worker installation.</h2> Previously, a service worker could use <code>importScripts()</code> to import any script at any time. <a href="https://www.chromestatus.com/feature/5748516353736704">After this change</a>, a service worker can only <a href="https://www.google.com/url?q=https://developers.google.com/web/updates/2018/10/tweaks-to-addAll-importScripts%23disallowing_asynchronous_importscripts&sa=D&ust=1539936711182000&usg=AFQjCNGUF4me1r5wMJynphfevzdLnCbUFw">use <code>importScripts()</code> in two cases</a>:<br /> <ul> <li>Before installation finishes (from the initial execution of the service worker until it reaches the <code>`installed`</code> state).</li> <li>After installation finishes, only for scripts that were already imported in the previous phase.</li> </ul> <h2> Remove prefixed versions of several APIs</h2> Chrome has removed non-standard aliases for two widely supported standard interfaces.<br /> <ul> <li><a href="https://www.chromestatus.com/feature/6027726842494976">WebKitAnimationEvent</a> - Use the <a href="https://developer.mozilla.org/en-US/docs/Web/API/AnimationEvent">AnimationEvent</a>.</li> <li><a href="https://www.chromestatus.com/feature/6579769156042752">WebKitTransitionEvent</a> - Use the <a href="https://developer.mozilla.org/en-US/docs/Web/API/TransitionEvent">TransitionEvent</a>.</li> </ul> <h2> Remove URL.createObjectURL for MediaStream</h2> The <code>URL.createObjectURL()</code> method <a href="https://www.chromestatus.com/feature/5618491470118912">has been removed</a> from the <code>MediaStream</code> interface. This method has been deprecated in 2013 and superseded by assigning streams to <code>srcObject</code>.<br /> <h2> Remove document.origin </h2> The <code>document.origin</code> property <a href="https://www.chromestatus.com/feature/5701042356355072">has been removed</a>. This property was only ever implemented in Chromium and WebKit. It is redundant with <code>self.origin</code> which can be used in both window and worker contexts and has wider support. <span itemprop='author' itemscope='itemscope' itemtype='http://schema.org/Person'> <meta content='https://plus.google.com/116899029375914044550' itemprop='url'/> </span> </script> <noscript> Unless otherwise noted, changes described below apply to the newest Chrome Beta channel release for Android, Chrome OS, Linux, macOS, and Windows. View a complete list of the features in Chrome 71 on <a href="https://www.chromestatus.com/features#milestone%3D71">ChromeStatus.com</a>. Chrome 71 is beta as of October 25, 2018.<br /> <h1> International Relative Time Format</h1> When writing (and speaking), phrases such as 'yesterday' or 'in three months' are common. Yet such phrases are not part of built-in date and time APIs. To fill this need, libraries provide utility functions to provide localized versions of such phrases. The downside to this approach is that using these functions on the web requires downloading lists of customary words or phrases for each supported language. This increases a library's bundle size and download time.<br /> <br /> Chrome 71 introduces <code><a href="https://developers.google.com/web/updates/2018/10/intl-relativetimeformat">Intl.RelativeTimeFormat()</a></code>, which shifts the burden to the JavaScript engine. A few examples show how this works.<br /> <br /> <br /> <pre>const rtf = new Intl.RelativeTimeFormat('en'); rtf.format(3.14, 'second'); // → 'in 3.14 seconds' rtf.format(-15, 'minute'); // → '15 minutes ago'</pre> <br /> This new API has a number of capabilities beyond what is shown here including such things as retrieving information for multiple languages, dealing with parts of a date or time individually (in other words, <code>formatToParts()</code>), and more. <a href="https://developers.google.com/web/updates/2018/10/intl-relativetimeformat">Read our article</a> for details.<br /> <h1> Other features in this release</h1> <h2> Add FullscreenOptions</h2> The <code>Element.requestFullscreen()</code> method can now be <a href="https://www.chromestatus.com/feature/5188650908254208">customized on Android</a> using an optional options parameter. Its <code><a href="https://github.com/dtapuska/fullscreen#proposed-api-change">navigationUI</a></code> parameter allows you to choose between making the navigation bar visible versus a completely immersive mode where no user agent controls are shown until a gesture is performed. Possible values are <code>"auto"</code>, <code>"show"</code>, and <code>"hide"</code>. This value expresses an application preference, with <code>"auto"</code> meaning no preference. The UI may overrule this vale in any case.<br /> <h2> Add 'persistent-storage' property to the Permission API</h2> The <code>"persistent-storage"</code> property is <a href="https://www.chromestatus.com/feature/4770049554382848">a new permission</a> for the Permission API. The permission state can already be queried with <code>navigator.storage.persisted()</code>, with this change <code>navigator.permissions.query({name:"persistent-storage"})</code> can be used as well. <br /> <h2> Async touchpad pinch zoom events</h2> <a href="https://www.chromestatus.com/feature/5065661281730560">Async touchpad pinch zoom events</a> are for improving the page pinch zoom performance. Currently, the touchpad pinch zoom exposes a control wheel event that allows JS to cancel it. With this change, if the user doesn't make a pinch action on the touchpad, effectively canceling the control wheel event, then following control wheel events are not cancelable. But JavaScript does not know which ctrl wheel is the first one in the sequence, so if you want to cancel pinch zoom, you need to cancel all of them.<br /> <h2> COLR/CPAL font support</h2> <a href="https://www.chromestatus.com/feature/5897235770376192">Chrome now supports</a> <a href="https://glyphsapp.com/tutorials/creating-a-microsoft-color-font">COLR/CPAL fonts</a> which are a type of OpenType color font composed of layers of vector outline glyphs and color palette information into the final colored glyph. With this change, Chrome supports three color font formats cross-platform, the other two being CBDT/CBLC and SBIX. Because they are vector based, COLR/CPAL fonts provide for faster downloads and require less storage. An example of a COLR/CPAL font is the <a href="https://github.com/mozilla/twemoji-colr">Twemoji</a> color font.<br /> <h2> CSS gradient color stop double-position syntax</h2> Support is added for the stop position syntax from the <a href="https://www.w3.org/TR/css-images-4/">CSS Image Values and Replaced Content Module Level 4</a> spec. Currently, repeating colors require explicit positions. For example:<br /> <br /> <pre>linear-gradient(45deg, black 25%, black 50%, white 50%, white 75%)</pre> <br /> To simplify the definition of solid color bands, two positions may be specified instead. For example: <br /> <br /> <pre>linear-gradient(45deg, black 25% 50%, white 50% 75%)</pre> <h2> Implement 'left' and 'right' values for 'text-underline-position' </h2> Currently, in vertical flow for Chinese and Japanese, which side the underline appears on is not the same across browsers. To fix this, Chrome is adding <a href="https://www.chromestatus.com/feature/5749634488074240">support for <code>'left'</code> and <code>'right'</code> values</a> of the <code>'text-underline-position'</code> property. This property is part of the CSS3 Text Decoration spec which adds properties that implement new text decoration styling features such as lines, color, and style, including <code>'text-underline-position'</code>. <br /> <h2> JavaScript Modules: Credentials mode defaults to "same-origin"</h2> The default credentials mode for module script requests <a href="https://www.chromestatus.com/feature/6710957388595200">is changing</a> from <code>"omit"</code> to <code>"same-origin"</code>, providing credentials to same-origin module script requests and their descendant scripts (static and dynamic imports). The current behavior can be surprising in that it's misaligned with other high-level features like the Fetch API, and in the web platform's current architecture, causes a second server connection. This is undesirable for developers looking to reduce latency.<br /> <h2> TextEncoderStream and TextDecoderStream APIs</h2> Text encoding and decoding <a href="https://www.chromestatus.com/feature/4881011259211776">supports streams</a> to enable you to easily convert streams of binary data to text and vice-versa. An example of its usefulness is with readable streams. With a non-stream Response object, <code>response.body.text()</code> returns text. There is no equivalent for the <code>ReadableStream</code> returned by <code>Response.Body</code>, which can only return bytes. With the new API a streaming response body may be converted to text as so: <code>Response.Body.pipeThrough(new TextDecoderStream())</code>.<br /> <h2> Unprefixed Fullscreen API</h2> The Fullscreen API has features for entering, and exiting fullscreen mode as well as event handlers for monitoring such changes. A prefixed version of the API has been supported since Chrome 15. <a href="https://www.chromestatus.com/feature/6596356319739904">This update</a> adds an unprefixed version of the API.<br /> <h2> MediaElement and MediaStream nodes defined only for AudioContext</h2> <a href="https://www.chromestatus.com/feature/5258622686724096">Chrome now only allows</a> creation of <code>MediaElementAudioSourceNode</code>, <code>MediaStreamAudioSourceNode</code>, and <code>MediaStreamAudioDestinationNode</code> elements using an <code>AudioContext</code>. Previously these could be created using an <code>OfflineAudioContext</code>, but that does not comply with the spec. The behavior with an <code>OfflineAudioContext</code> is not well-defined and contrary to the real-time nature of the nodes themselves.<br /> <h1> Interoperability improvements</h1> <h2> Call capture event listeners in capturing phase at shadow hosts</h2> To be interoperable with other browsers, <a href="https://www.chromestatus.com/feature/5636327009681408">Chrome now calls</a> capture event listeners in the capturing phase at shadow hosts. Previously this was done in the bubbling phase on Chrome. A <a href="https://github.com/whatwg/dom/issues/685">complete discussion</a> may be read on the WHATWG repo on GitHub.<br /> <h2> Improve :host, :host-context, and ::slotted specificity</h2> <a href="https://www.chromestatus.com/feature/5177305701810176">Chrome now calculates</a> the specificity for the <code>:host()</code> and <code>:host-context()</code> pseudo classes as well as for the arguments for <code>::slotted()</code>. This brings it into compliance with the <a href="https://w3c.github.io/webcomponents/spec/shadow/">Shadow DOM v1 spec</a>.<br /> Shipping this will ensure interoperability between browsers since other browsers have or are about to ship this in their stable releases.<br /> <h1> Deprecations and Removals</h1> Chrome sometimes deprecates, removes, or changes features to increase interoperability with other browsers. This version of Chrome includes the following such changes. <br /> <h2> Remove SpeechSynthesis.speak without user activation</h2> The <code>speechSynthesis.speak()</code> method <a href="https://www.chromestatus.com/feature/5687444770914304">now fires an error</a> if the document has not received user activation. This API is being abused by sites since it is one of the only remaining APIs which didn't adhere to autoplay policies in Chrome. <br /> <h2> Remove importScripts() of new scripts after service worker installation.</h2> Previously, a service worker could use <code>importScripts()</code> to import any script at any time. <a href="https://www.chromestatus.com/feature/5748516353736704">After this change</a>, a service worker can only <a href="https://www.google.com/url?q=https://developers.google.com/web/updates/2018/10/tweaks-to-addAll-importScripts%23disallowing_asynchronous_importscripts&sa=D&ust=1539936711182000&usg=AFQjCNGUF4me1r5wMJynphfevzdLnCbUFw">use <code>importScripts()</code> in two cases</a>:<br /> <ul> <li>Before installation finishes (from the initial execution of the service worker until it reaches the <code>`installed`</code> state).</li> <li>After installation finishes, only for scripts that were already imported in the previous phase.</li> </ul> <h2> Remove prefixed versions of several APIs</h2> Chrome has removed non-standard aliases for two widely supported standard interfaces.<br /> <ul> <li><a href="https://www.chromestatus.com/feature/6027726842494976">WebKitAnimationEvent</a> - Use the <a href="https://developer.mozilla.org/en-US/docs/Web/API/AnimationEvent">AnimationEvent</a>.</li> <li><a href="https://www.chromestatus.com/feature/6579769156042752">WebKitTransitionEvent</a> - Use the <a href="https://developer.mozilla.org/en-US/docs/Web/API/TransitionEvent">TransitionEvent</a>.</li> </ul> <h2> Remove URL.createObjectURL for MediaStream</h2> The <code>URL.createObjectURL()</code> method <a href="https://www.chromestatus.com/feature/5618491470118912">has been removed</a> from the <code>MediaStream</code> interface. This method has been deprecated in 2013 and superseded by assigning streams to <code>srcObject</code>.<br /> <h2> Remove document.origin </h2> The <code>document.origin</code> property <a href="https://www.chromestatus.com/feature/5701042356355072">has been removed</a>. This property was only ever implemented in Chromium and WebKit. It is redundant with <code>self.origin</code> which can be used in both window and worker contexts and has wider support. <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 71 Beta: relative time formats and more&url=https://blog.chromium.org/2018/10/chrome-71-beta-relative-time-formats.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/2018/10/chrome-71-beta-relative-time-formats.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/2018/10/chrome-71-beta-relative-time-formats.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='2474357810486022043' itemscope='' itemtype='http://schema.org/BlogPosting'> <h2 class='title' itemprop='name'> <a href='https://blog.chromium.org/2018/10/trustworthy-chrome-extensions-by-default.html' itemprop='url' title='Trustworthy Chrome Extensions, by default'> Trustworthy Chrome Extensions, by default </a> </h2> <div class='post-header'> <div class='published'> <span class='publishdate' itemprop='datePublished'> Monday, October 1, 2018 </span> </div> </div> <div class='post-body'> <div class='post-content' itemprop='articleBody'> <script type='text/template'> <style> li { line-height: 1.38 !important; } </style> <br /> <div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <span style="font-family: inherit;"><span style="background-color: transparent; color: black; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">Incredibly, it’s been nearly a decade since we launched the Chrome extensions system. Thanks to the hard work and innovation of our developer community, there are now more than 180,000 extensions in the </span><a href="https://chrome.google.com/webstore/category/extensions" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">Chrome Web Store</span></a><span style="background-color: transparent; color: black; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">, and nearly half of Chrome desktop users actively use extensions to customize Chrome and their experience on the web.</span></span></div> <b id="docs-internal-guid-26621f2b-7fff-6bd9-34a2-889d033d577c" style="font-weight: normal;"><span style="font-family: inherit;"><br /></span></b> <br /> <div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <span style="background-color: transparent; color: black; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"><span style="font-family: inherit;">The extensions team's dual mission is to help users tailor Chrome’s functionality to their individual needs and interests, and to empower developers to build rich and useful extensions. But, first and foremost, it’s crucial that users be able to trust the extensions they install are safe, privacy-preserving, and performant. Users should always have full transparency about the scope of their extensions’ capabilities and data access.</span></span></div> <b style="font-weight: normal;"><span style="font-family: inherit;"><br /></span></b> <br /> <div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <span style="font-family: inherit;"><span style="background-color: transparent; color: black; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">We’ve recently taken a number of steps toward improved extension security with the launch of </span><a href="https://blog.chromium.org/2017/05/improving-extension-security-with-out.html" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">out-of-process iframes</span></a><span style="background-color: transparent; color: black; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">, the </span><a href="https://blog.chromium.org/2018/06/improving-extension-transparency-for.html" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">removal of inline installation</span></a><span style="background-color: transparent; color: black; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">, and significant advancements in our ability to detect and block malicious extensions using machine learning. Looking ahead, there are more fundamental changes needed so that all Chrome extensions are trustworthy by default.</span></span></div> <b style="font-weight: normal;"><span style="font-family: inherit;"><br /></span></b> <br /> <div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <span style="background-color: transparent; color: black; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"><span style="font-family: inherit;">Today we’re announcing some upcoming changes and plans for the future:</span></span></div> <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-size: 11pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"><span style="font-family: inherit;">User controls for host permissions</span></span></div> <div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <span style="font-family: inherit;"><span style="background-color: transparent; color: black; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">Beginning in Chrome 70, users will have the choice to restrict extension </span><a href="https://developer.chrome.com/extensions/declare_permissions#host-permissions" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">host access</span></a><span style="background-color: transparent; color: black; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> to a custom list of sites, or to configure extensions to require a click to gain access to the current page.</span></span></div> <div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt; text-align: center;"><br /></div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh8P3ZZwL-h6qWup_AakSs5GPMqjb2kt_7EuOwjAVTj54_ajT1nJpfJ_yq4w3WTWijReRf-WP4k3DD-TfgssA0uLFK56LL7RbDAlRS0OMrtUrX4OQDaWod5yWjG9zeD6HA-YLUKQTDkDUaJNV7iJypZk-M9RzR3_iUJF5pdyc2rGnujh6Ivem9EPKHDeg/s1024/Screenshot%202018-09-27%20at%209.00.50%20AM.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="578" data-original-width="1024" height="362" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh8P3ZZwL-h6qWup_AakSs5GPMqjb2kt_7EuOwjAVTj54_ajT1nJpfJ_yq4w3WTWijReRf-WP4k3DD-TfgssA0uLFK56LL7RbDAlRS0OMrtUrX4OQDaWod5yWjG9zeD6HA-YLUKQTDkDUaJNV7iJypZk-M9RzR3_iUJF5pdyc2rGnujh6Ivem9EPKHDeg/w640-h362/Screenshot%202018-09-27%20at%209.00.50%20AM.png" width="640" /></a></div><br /><div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt; text-align: center;"><br /></div> <div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"><span style="font-family: inherit;"><span style="background-color: transparent; color: black; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">While host permissions have enabled thousands of powerful and creative extension use cases, they have also led to a broad range of misuse - both malicious and unintentional - because they allow extensions to automatically read and change data on websites. Our aim is to improve user transparency and control over when extensions are able to access site data. In subsequent milestones, we’ll continue to optimize the user experience toward this goal while improving usability. If your extension requests host permissions, we encourage you to review our </span><a href="https://developer.chrome.com/extensions/runtime_host_permissions" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">transition guide</span></a><span style="background-color: transparent; color: black; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> and begin testing as soon as possible.</span></span></div> <b style="font-weight: normal;"><span style="font-family: inherit;"><br /></span></b> <br /> <div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <span style="background-color: transparent; color: black; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"><span style="font-family: inherit;"><br /></span></span> <span style="background-color: transparent; color: black; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"><span style="font-family: inherit;">Changes to the extensions review process</span></span></div> <div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <span style="font-family: inherit;"><span style="background-color: transparent; color: black; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">Going forward, extensions that request powerful permissions will be subject to additional compliance review. We’re also looking very closely at extensions that use remotely hosted code, with ongoing monitoring. Your extension’s permissions should be as </span><a href="https://developer.chrome.com/extensions/security#permissions" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">narrowly-scoped</span></a><span style="background-color: transparent; color: black; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> as possible, and all your code should be included directly in the extension package, to minimize review time.</span></span></div> <b style="font-weight: normal;"><span style="font-family: inherit;"><br /></span></b> <br /> <div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <span style="background-color: transparent; color: black; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"><span style="font-family: inherit;"><br /></span></span> <span style="background-color: transparent; color: black; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"><span style="font-family: inherit;">New code readability requirements</span></span></div> <div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <span style="background-color: transparent; color: black; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"><span style="font-family: inherit;">Starting today, Chrome Web Store will no longer allow extensions with obfuscated code. This includes code within the extension package as well as any external code or resource fetched from the web. This policy applies immediately to all new extension submissions. Existing extensions with obfuscated code can continue to submit updates over the next 90 days, but will be removed from the Chrome Web Store in early January if not compliant.</span></span></div> <b style="font-weight: normal;"><span style="font-family: inherit;"><br /></span></b> <br /> <div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <span style="background-color: transparent; color: black; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"><span style="font-family: inherit;">Today over 70% of malicious and policy violating extensions that we block from Chrome Web Store contain obfuscated code. At the same time, because obfuscation is mainly used to conceal code functionality, it adds a great deal of complexity to our review process. This is no longer acceptable given the aforementioned review process changes. </span></span></div> <b style="font-weight: normal;"><span style="font-family: inherit;"><br /></span></b> <br /> <div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <span style="background-color: transparent; color: black; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"><span style="font-family: inherit;">Additionally, since JavaScript code is always running locally on the user's machine, obfuscation is insufficient to protect proprietary code from a truly motivated reverse engineer. Obfuscation techniques also come with hefty performance costs such as slower execution and increased file and memory footprints.</span></span></div> <b style="font-weight: normal;"><span style="font-family: inherit;"><br /></span></b> <br /> <div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <span style="background-color: transparent; color: black; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"><span style="font-family: inherit;">Ordinary minification, on the other hand, typically speeds up code execution as it reduces code size, and is much more straightforward to review. Thus, minification will still be allowed, including the following techniques:</span></span><br /> <span style="background-color: transparent; color: black; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"><span style="font-family: inherit;"><br /></span></span></div> <ul style="margin-bottom: 0pt; margin-top: 0pt;"> <li><span style="background-color: transparent; color: black; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400;">Removal of whitespace, newlines, code comments, and block delimiters</span></li> <li><span style="background-color: transparent; color: black; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400;">Shortening of variable and function names</span></li> <li><span style="background-color: transparent; color: black; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400;">Collapsing the number of JavaScript files</span></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 id="docs-internal-guid-d414fe89-7fff-ba33-14e1-40f89435497a"><span style="font-family: inherit;"><span style="font-size: 11pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">If you have an extension in the store with obfuscated code, please review our updated </span><a href="https://developer.chrome.com/webstore/program_policies#content_policies" style="text-decoration-line: none;"><span style="color: #1155cc; font-size: 11pt; vertical-align: baseline; white-space: pre-wrap;">content policies</span></a><span style="font-size: 11pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;"> as well as our </span><a href="https://developers.google.com/speed/docs/insights/MinifyResources" style="text-decoration-line: none;"><span style="color: #1155cc; font-size: 11pt; vertical-align: baseline; white-space: pre-wrap;">recommended minification techniques</span></a><span style="font-size: 11pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;"> for Google Developers, and submit a new compliant version before January 1st, 2019.</span></span></span><br /> <span style="font-family: inherit;"><span style="font-size: 11pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;"><br /></span></span> <br /> <div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <span style="background-color: transparent; color: black; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"><span style="font-family: inherit;">Required 2-Step Verification</span></span></div> <div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <span style="font-family: inherit;"><span style="background-color: transparent; color: black; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">In 2019, enrollment in </span><a href="https://www.google.com/landing/2step/" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">2-Step Verification</span></a><span style="background-color: transparent; color: black; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> will be required for Chrome Web Store developer accounts. If your extension becomes popular, it can attract attackers who want to steal it by hijacking your account, and 2-Step Verification adds an extra layer of security by requiring a second authentication step from your phone or a </span><a href="https://support.google.com/accounts/answer/6103523?hl=en" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">physical security key</span></a><span style="background-color: transparent; color: black; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">. We strongly recommend that you </span><a href="https://myaccount.google.com/signinoptions/two-step-verification/enroll-welcome" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">enroll</span></a><span style="background-color: transparent; color: black; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> as soon as possible.</span></span></div> <div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <span style="font-family: inherit;"><span style="background-color: transparent; color: black; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"><br /></span></span></div> <div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <span style="font-family: inherit;"><span style="background-color: transparent; color: black; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">For even stronger account security, consider the </span><a href="https://landing.google.com/advancedprotection/" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">Advanced Protection Program</span></a><span style="background-color: transparent; color: black; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">. Advanced protection offers the same level of security that Google relies on for its own employees, requiring a physical security key to provide the strongest defense against phishing attacks.</span></span></div> <div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <b id="docs-internal-guid-7d13735e-7fff-1f6c-d486-cb4d846ab2db" style="font-weight: normal;"><span style="font-family: inherit;"><br /></span></b> <b style="font-weight: normal;"><span style="font-family: inherit;"><br /></span></b><br /> <span style="font-family: inherit; font-size: 11pt; font-weight: 700; white-space: pre-wrap;">Looking ahead: Manifest v3</span></div> <div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <span style="font-family: inherit;"><span style="background-color: transparent; color: black; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">In 2019 we will introduce the next extensions manifest version. Manifest v3 will entail additional platform changes that aim to create stronger security, privacy, and performance guarantees. We want to help all developers </span><a href="https://blog.codinghorror.com/falling-into-the-pit-of-success/" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">fall into the pit of success</span></a><span style="background-color: transparent; color: black; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">; writing a secure and performant extension in Manifest v3 should be easy, while writing an insecure or non-performant extension should be difficult. </span></span></div> <div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <span style="font-family: inherit;"><br /></span></div> <div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <span style="background-color: transparent; color: black; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"><span style="font-family: inherit;"><br /></span></span> <span style="background-color: transparent; color: black; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"><span style="font-family: inherit;">Some key goals of manifest v3 include:</span></span></div> <div dir="ltr" style="line-height: 0pt; margin-bottom: 0pt; margin-top: 0pt;"> <span style="background-color: transparent; color: black; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"><span id="docs-internal-guid-12c1daab-7fff-5b76-a641-e642041e9d12"></span></span></div> <ul> <li><span style="background-color: transparent; color: black; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400;">More narrowly-scoped and declarative APIs, to decrease the need for overly-broad access and enable more performant implementation by the browser, while preserving important functionality</span></li> <li><span style="background-color: transparent; color: black; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400;">Additional, easier mechanisms for users to control the permissions granted to extensions</span></li> <li><span style="background-color: transparent; color: black; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400;">Modernizing to align with new web capabilities, such as supporting Service Workers as a new type of background process</span></li> </ul> </div> <br /> <div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <span style="background-color: transparent; color: black; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"><span style="font-family: inherit;">We intend to make the transition to manifest v3 as smooth as possible and we’re thinking carefully about the rollout plan. We’ll be in touch soon with more specific details. </span></span></div> <b id="docs-internal-guid-6c880dae-7fff-5500-2faa-de3bb290d098" style="font-weight: normal;"><span style="font-family: inherit;"><br /></span></b> <br /> <div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <span style="font-family: inherit;"><span style="background-color: transparent; color: black; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">We recognize that some of the changes announced today may require effort in the future, depending on your extension. But we believe the collective result will be worth that effort for all users, developers, and for the long term health of the Chrome extensions ecosystem. We’re committed to working with you to transition through these changes and are very interested in your feedback. If you have questions or comments, please get in touch with us on the </span><a href="https://groups.google.com/a/chromium.org/forum/#!forum/chromium-extensions" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">Chromium extensions forum</span></a><span style="background-color: transparent; color: black; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">.</span></span></div> <span style="font-family: inherit;"><br /></span> <br /> <div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <span style="background-color: transparent; color: black; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"><span style="font-family: inherit;">Posted by James Wagner, Chrome Extensions Product Manager</span></span></div> <span style="font-family: inherit;"><br /></span> <br /> <div> <span style="font-size: 14.6667px; white-space: pre-wrap;"><br /></span></div> <span itemprop='author' itemscope='itemscope' itemtype='http://schema.org/Person'> <meta content='https://plus.google.com/116899029375914044550' itemprop='url'/> </span> </script> <noscript> <style> li { line-height: 1.38 !important; } </style> <br /> <div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <span style="font-family: inherit;"><span style="background-color: transparent; color: black; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">Incredibly, it’s been nearly a decade since we launched the Chrome extensions system. Thanks to the hard work and innovation of our developer community, there are now more than 180,000 extensions in the </span><a href="https://chrome.google.com/webstore/category/extensions" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">Chrome Web Store</span></a><span style="background-color: transparent; color: black; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">, and nearly half of Chrome desktop users actively use extensions to customize Chrome and their experience on the web.</span></span></div> <b id="docs-internal-guid-26621f2b-7fff-6bd9-34a2-889d033d577c" style="font-weight: normal;"><span style="font-family: inherit;"><br /></span></b> <br /> <div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <span style="background-color: transparent; color: black; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"><span style="font-family: inherit;">The extensions team's dual mission is to help users tailor Chrome’s functionality to their individual needs and interests, and to empower developers to build rich and useful extensions. But, first and foremost, it’s crucial that users be able to trust the extensions they install are safe, privacy-preserving, and performant. Users should always have full transparency about the scope of their extensions’ capabilities and data access.</span></span></div> <b style="font-weight: normal;"><span style="font-family: inherit;"><br /></span></b> <br /> <div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <span style="font-family: inherit;"><span style="background-color: transparent; color: black; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">We’ve recently taken a number of steps toward improved extension security with the launch of </span><a href="https://blog.chromium.org/2017/05/improving-extension-security-with-out.html" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">out-of-process iframes</span></a><span style="background-color: transparent; color: black; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">, the </span><a href="https://blog.chromium.org/2018/06/improving-extension-transparency-for.html" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">removal of inline installation</span></a><span style="background-color: transparent; color: black; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">, and significant advancements in our ability to detect and block malicious extensions using machine learning. Looking ahead, there are more fundamental changes needed so that all Chrome extensions are trustworthy by default.</span></span></div> <b style="font-weight: normal;"><span style="font-family: inherit;"><br /></span></b> <br /> <div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <span style="background-color: transparent; color: black; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"><span style="font-family: inherit;">Today we’re announcing some upcoming changes and plans for the future:</span></span></div> <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-size: 11pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"><span style="font-family: inherit;">User controls for host permissions</span></span></div> <div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <span style="font-family: inherit;"><span style="background-color: transparent; color: black; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">Beginning in Chrome 70, users will have the choice to restrict extension </span><a href="https://developer.chrome.com/extensions/declare_permissions#host-permissions" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">host access</span></a><span style="background-color: transparent; color: black; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> to a custom list of sites, or to configure extensions to require a click to gain access to the current page.</span></span></div> <div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt; text-align: center;"><br /></div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh8P3ZZwL-h6qWup_AakSs5GPMqjb2kt_7EuOwjAVTj54_ajT1nJpfJ_yq4w3WTWijReRf-WP4k3DD-TfgssA0uLFK56LL7RbDAlRS0OMrtUrX4OQDaWod5yWjG9zeD6HA-YLUKQTDkDUaJNV7iJypZk-M9RzR3_iUJF5pdyc2rGnujh6Ivem9EPKHDeg/s1024/Screenshot%202018-09-27%20at%209.00.50%20AM.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="578" data-original-width="1024" height="362" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh8P3ZZwL-h6qWup_AakSs5GPMqjb2kt_7EuOwjAVTj54_ajT1nJpfJ_yq4w3WTWijReRf-WP4k3DD-TfgssA0uLFK56LL7RbDAlRS0OMrtUrX4OQDaWod5yWjG9zeD6HA-YLUKQTDkDUaJNV7iJypZk-M9RzR3_iUJF5pdyc2rGnujh6Ivem9EPKHDeg/w640-h362/Screenshot%202018-09-27%20at%209.00.50%20AM.png" width="640" /></a></div><br /><div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt; text-align: center;"><br /></div> <div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"><span style="font-family: inherit;"><span style="background-color: transparent; color: black; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">While host permissions have enabled thousands of powerful and creative extension use cases, they have also led to a broad range of misuse - both malicious and unintentional - because they allow extensions to automatically read and change data on websites. Our aim is to improve user transparency and control over when extensions are able to access site data. In subsequent milestones, we’ll continue to optimize the user experience toward this goal while improving usability. If your extension requests host permissions, we encourage you to review our </span><a href="https://developer.chrome.com/extensions/runtime_host_permissions" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">transition guide</span></a><span style="background-color: transparent; color: black; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> and begin testing as soon as possible.</span></span></div> <b style="font-weight: normal;"><span style="font-family: inherit;"><br /></span></b> <br /> <div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <span style="background-color: transparent; color: black; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"><span style="font-family: inherit;"><br /></span></span> <span style="background-color: transparent; color: black; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"><span style="font-family: inherit;">Changes to the extensions review process</span></span></div> <div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <span style="font-family: inherit;"><span style="background-color: transparent; color: black; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">Going forward, extensions that request powerful permissions will be subject to additional compliance review. We’re also looking very closely at extensions that use remotely hosted code, with ongoing monitoring. Your extension’s permissions should be as </span><a href="https://developer.chrome.com/extensions/security#permissions" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">narrowly-scoped</span></a><span style="background-color: transparent; color: black; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> as possible, and all your code should be included directly in the extension package, to minimize review time.</span></span></div> <b style="font-weight: normal;"><span style="font-family: inherit;"><br /></span></b> <br /> <div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <span style="background-color: transparent; color: black; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"><span style="font-family: inherit;"><br /></span></span> <span style="background-color: transparent; color: black; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"><span style="font-family: inherit;">New code readability requirements</span></span></div> <div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <span style="background-color: transparent; color: black; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"><span style="font-family: inherit;">Starting today, Chrome Web Store will no longer allow extensions with obfuscated code. This includes code within the extension package as well as any external code or resource fetched from the web. This policy applies immediately to all new extension submissions. Existing extensions with obfuscated code can continue to submit updates over the next 90 days, but will be removed from the Chrome Web Store in early January if not compliant.</span></span></div> <b style="font-weight: normal;"><span style="font-family: inherit;"><br /></span></b> <br /> <div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <span style="background-color: transparent; color: black; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"><span style="font-family: inherit;">Today over 70% of malicious and policy violating extensions that we block from Chrome Web Store contain obfuscated code. At the same time, because obfuscation is mainly used to conceal code functionality, it adds a great deal of complexity to our review process. This is no longer acceptable given the aforementioned review process changes. </span></span></div> <b style="font-weight: normal;"><span style="font-family: inherit;"><br /></span></b> <br /> <div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <span style="background-color: transparent; color: black; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"><span style="font-family: inherit;">Additionally, since JavaScript code is always running locally on the user's machine, obfuscation is insufficient to protect proprietary code from a truly motivated reverse engineer. Obfuscation techniques also come with hefty performance costs such as slower execution and increased file and memory footprints.</span></span></div> <b style="font-weight: normal;"><span style="font-family: inherit;"><br /></span></b> <br /> <div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <span style="background-color: transparent; color: black; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"><span style="font-family: inherit;">Ordinary minification, on the other hand, typically speeds up code execution as it reduces code size, and is much more straightforward to review. Thus, minification will still be allowed, including the following techniques:</span></span><br /> <span style="background-color: transparent; color: black; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"><span style="font-family: inherit;"><br /></span></span></div> <ul style="margin-bottom: 0pt; margin-top: 0pt;"> <li><span style="background-color: transparent; color: black; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400;">Removal of whitespace, newlines, code comments, and block delimiters</span></li> <li><span style="background-color: transparent; color: black; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400;">Shortening of variable and function names</span></li> <li><span style="background-color: transparent; color: black; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400;">Collapsing the number of JavaScript files</span></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 id="docs-internal-guid-d414fe89-7fff-ba33-14e1-40f89435497a"><span style="font-family: inherit;"><span style="font-size: 11pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;">If you have an extension in the store with obfuscated code, please review our updated </span><a href="https://developer.chrome.com/webstore/program_policies#content_policies" style="text-decoration-line: none;"><span style="color: #1155cc; font-size: 11pt; vertical-align: baseline; white-space: pre-wrap;">content policies</span></a><span style="font-size: 11pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;"> as well as our </span><a href="https://developers.google.com/speed/docs/insights/MinifyResources" style="text-decoration-line: none;"><span style="color: #1155cc; font-size: 11pt; vertical-align: baseline; white-space: pre-wrap;">recommended minification techniques</span></a><span style="font-size: 11pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;"> for Google Developers, and submit a new compliant version before January 1st, 2019.</span></span></span><br /> <span style="font-family: inherit;"><span style="font-size: 11pt; font-variant-east-asian: normal; font-variant-numeric: normal; vertical-align: baseline; white-space: pre-wrap;"><br /></span></span> <br /> <div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <span style="background-color: transparent; color: black; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 700; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"><span style="font-family: inherit;">Required 2-Step Verification</span></span></div> <div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <span style="font-family: inherit;"><span style="background-color: transparent; color: black; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">In 2019, enrollment in </span><a href="https://www.google.com/landing/2step/" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">2-Step Verification</span></a><span style="background-color: transparent; color: black; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> will be required for Chrome Web Store developer accounts. If your extension becomes popular, it can attract attackers who want to steal it by hijacking your account, and 2-Step Verification adds an extra layer of security by requiring a second authentication step from your phone or a </span><a href="https://support.google.com/accounts/answer/6103523?hl=en" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">physical security key</span></a><span style="background-color: transparent; color: black; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">. We strongly recommend that you </span><a href="https://myaccount.google.com/signinoptions/two-step-verification/enroll-welcome" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">enroll</span></a><span style="background-color: transparent; color: black; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"> as soon as possible.</span></span></div> <div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <span style="font-family: inherit;"><span style="background-color: transparent; color: black; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"><br /></span></span></div> <div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <span style="font-family: inherit;"><span style="background-color: transparent; color: black; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">For even stronger account security, consider the </span><a href="https://landing.google.com/advancedprotection/" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">Advanced Protection Program</span></a><span style="background-color: transparent; color: black; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">. Advanced protection offers the same level of security that Google relies on for its own employees, requiring a physical security key to provide the strongest defense against phishing attacks.</span></span></div> <div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <b id="docs-internal-guid-7d13735e-7fff-1f6c-d486-cb4d846ab2db" style="font-weight: normal;"><span style="font-family: inherit;"><br /></span></b> <b style="font-weight: normal;"><span style="font-family: inherit;"><br /></span></b><br /> <span style="font-family: inherit; font-size: 11pt; font-weight: 700; white-space: pre-wrap;">Looking ahead: Manifest v3</span></div> <div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <span style="font-family: inherit;"><span style="background-color: transparent; color: black; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">In 2019 we will introduce the next extensions manifest version. Manifest v3 will entail additional platform changes that aim to create stronger security, privacy, and performance guarantees. We want to help all developers </span><a href="https://blog.codinghorror.com/falling-into-the-pit-of-success/" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">fall into the pit of success</span></a><span style="background-color: transparent; color: black; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">; writing a secure and performant extension in Manifest v3 should be easy, while writing an insecure or non-performant extension should be difficult. </span></span></div> <div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <span style="font-family: inherit;"><br /></span></div> <div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <span style="background-color: transparent; color: black; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"><span style="font-family: inherit;"><br /></span></span> <span style="background-color: transparent; color: black; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"><span style="font-family: inherit;">Some key goals of manifest v3 include:</span></span></div> <div dir="ltr" style="line-height: 0pt; margin-bottom: 0pt; margin-top: 0pt;"> <span style="background-color: transparent; color: black; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"><span id="docs-internal-guid-12c1daab-7fff-5b76-a641-e642041e9d12"></span></span></div> <ul> <li><span style="background-color: transparent; color: black; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400;">More narrowly-scoped and declarative APIs, to decrease the need for overly-broad access and enable more performant implementation by the browser, while preserving important functionality</span></li> <li><span style="background-color: transparent; color: black; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400;">Additional, easier mechanisms for users to control the permissions granted to extensions</span></li> <li><span style="background-color: transparent; color: black; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400;">Modernizing to align with new web capabilities, such as supporting Service Workers as a new type of background process</span></li> </ul> </div> <br /> <div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <span style="background-color: transparent; color: black; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"><span style="font-family: inherit;">We intend to make the transition to manifest v3 as smooth as possible and we’re thinking carefully about the rollout plan. We’ll be in touch soon with more specific details. </span></span></div> <b id="docs-internal-guid-6c880dae-7fff-5500-2faa-de3bb290d098" style="font-weight: normal;"><span style="font-family: inherit;"><br /></span></b> <br /> <div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <span style="font-family: inherit;"><span style="background-color: transparent; color: black; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">We recognize that some of the changes announced today may require effort in the future, depending on your extension. But we believe the collective result will be worth that effort for all users, developers, and for the long term health of the Chrome extensions ecosystem. We’re committed to working with you to transition through these changes and are very interested in your feedback. If you have questions or comments, please get in touch with us on the </span><a href="https://groups.google.com/a/chromium.org/forum/#!forum/chromium-extensions" style="text-decoration: none;"><span style="background-color: transparent; color: #1155cc; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: underline; vertical-align: baseline; white-space: pre-wrap;">Chromium extensions forum</span></a><span style="background-color: transparent; color: black; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">.</span></span></div> <span style="font-family: inherit;"><br /></span> <br /> <div dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"> <span style="background-color: transparent; color: black; font-size: 11pt; font-style: normal; font-variant: normal; font-weight: 400; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"><span style="font-family: inherit;">Posted by James Wagner, Chrome Extensions Product Manager</span></span></div> <span style="font-family: inherit;"><br /></span> <br /> <div> <span style="font-size: 14.6667px; white-space: pre-wrap;"><br /></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:Trustworthy Chrome Extensions, by default&url=https://blog.chromium.org/2018/10/trustworthy-chrome-extensions-by-default.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' 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dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/contact%20picker'> contact picker </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/content%20indexing'> content indexing </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/cookies'> cookies </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/core%20web%20vitals'> core web vitals </a> <span dir='ltr'> 2 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/csrf'> csrf </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/css'> css </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/cumulative%20layout%20shift'> cumulative layout shift </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/custom%20tabs'> custom tabs </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/dart'> dart </a> <span dir='ltr'> 8 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/dashboard'> dashboard </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/Data%20Saver'> Data Saver </a> <span dir='ltr'> 3 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/Data%20saver%20desktop%20extension'> Data saver desktop extension </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/day%202'> day 2 </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/deceptive%20installation'> deceptive installation </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/declarative%20net%20request%20api'> declarative net request api </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/design'> design </a> <span dir='ltr'> 2 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/developer%20dashboard'> developer dashboard </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/Developer%20Program%20Policy'> Developer Program Policy </a> <span dir='ltr'> 2 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/developer%20website'> developer website </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/devtools'> devtools </a> <span dir='ltr'> 13 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/digital%20event'> digital event </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/discoverability'> discoverability </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/DNS-over-HTTPS'> DNS-over-HTTPS </a> <span dir='ltr'> 4 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/DoH'> DoH </a> <span dir='ltr'> 4 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/emoji'> emoji </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/emscriptem'> emscriptem </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/enterprise'> enterprise </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/extensions'> extensions </a> <span dir='ltr'> 27 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/Fast%20badging'> Fast badging </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/faster%20web'> faster web </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/features'> features </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/feedback'> feedback </a> <span dir='ltr'> 2 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/field%20data'> field data </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/first%20input%20delay'> first input delay </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/Follow'> Follow </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/fonts'> fonts </a> <span dir='ltr'> 1 </span> </li> <li> <a dir='ltr' href='https://blog.chromium.org/search/label/form%20controls'> form controls </a> <span dir='ltr'> 1 </span> </li> <li> <a 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> 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href='https://blog.chromium.org/2020/04/'> 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/2020/03/'> 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/2020/02/'> 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/2020/01/'> 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 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<div class=''> <a class='post-count-link' href='https://blog.chromium.org/2019/08/'> 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/2019/07/'> 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/2019/06/'> 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/2019/05/'> 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/2019/04/'> 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/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 expanded'> <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 toggle-open'> <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 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class='hierarchy'> <li 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> 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href='https://blog.chromium.org/2016/05/'> 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/2016/04/'> 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/2016/03/'> 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/2016/02/'> 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/2016/01/'> 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/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 collapsed'> <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=''> 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class='archivedate collapsed'> <div 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 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class='hierarchy'> <li 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> 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class='items'> </div> </li> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://blog.chromium.org/2012/06/'> 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> </ul> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://blog.chromium.org/2012/01/'> 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/2011/'> 2011 </a> </div> <div class='items'> <ul class='hierarchy'> <li class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://blog.chromium.org/2011/12/'> 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/2011/11/'> 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/2011/10/'> 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/2011/09/'> 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/2011/08/'> 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/2011/07/'> 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/2011/06/'> 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/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 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class='archivedate collapsed'> <div class=''> <a class='post-count-link' href='https://blog.chromium.org/2009/03/'> 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/2009/02/'> 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/2009/01/'> 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/2008/'> 2008 </a> </div> <div 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style='margin-top: -16px;' width='92'/> </a> <ul> <li> <a href='//www.google.com/'> Google </a> </li> <li> <a href='//www.google.com/policies/privacy/'> Privacy </a> </li> <li> <a href='//www.google.com/policies/terms/'> Terms </a> </li> </ul> </div> </div> <script type='text/javascript'> //<![CDATA[ // Social sharing popups. var postEl = document.getElementsByClassName('social-wrapper'); var postCount = postEl.length; for(i=0; i<postCount;i++){ postEl[i].addEventListener("click", function(event){ var postUrl = this.getAttribute("data-href"); window.open( postUrl,'popUpWindow','height=500,width=500,left=10,top=10,resizable=yes,scrollbars=yes,toolbar=yes,menubar=no,location=no,directories=no,status=yes'); });} //]]> </script> <script type='text/javascript'> //<![CDATA[ var BreakpointHandler = function() { this.initted = false; this.isHomePage = false; this.isMobile = false; }; BreakpointHandler.prototype.finalizeSummary = function(summaryHtml, lastNode) { // Use $.trim for IE8 compatibility summaryHtml = $.trim(summaryHtml).replace(/(<br>|\s)+$/,''); if (lastNode.nodeType == 3) { var lastChar = summaryHtml.slice(-1); if (!lastChar.match(/[.”"?]/)) { if (!lastChar.match(/[A-Za-z]/)) { summaryHtml = summaryHtml.slice(0, -1); } summaryHtml += ' ...'; } } else if (lastNode.nodeType == 1 && (lastNode.nodeName == 'I' || lastNode.nodeName == 'A')) { summaryHtml += ' ...'; } return summaryHtml; }; BreakpointHandler.prototype.generateSummaryFromContent = function(content, numWords) { var seenWords = 0; var summaryHtml = ''; for (var i=0; i < content.childNodes.length; i++) { var node = content.childNodes[i]; var nodeText; if (node.nodeType == 1) { if (node.hasAttribute('data-about-pullquote')) { continue; } nodeText = node.textContent; if (nodeText === undefined) { // innerText for IE8 nodeText = node.innerText; } if (node.nodeName == 'DIV' || node.nodeName == 'B') { // Don't end early if we haven't seen enough words. if (seenWords < 10) { continue; } if (i > 0) { summaryHtml = this.finalizeSummary(summaryHtml, content.childNodes[i-1]); } break; } summaryHtml += node.outerHTML; } else if (node.nodeType == 3) { nodeText = node.nodeValue; summaryHtml += nodeText + ' '; } var words = nodeText.match(/\S+\s*/g); if (!words) { continue; } var remain = numWords - seenWords; if (words.length >= remain) { summaryHtml = this.finalizeSummary(summaryHtml, node); break; } seenWords += words.length; } return summaryHtml; }; BreakpointHandler.prototype.detect = function() { var match, pl = /\+/g, search = /([^&=]+)=?([^&]*)/g, decode = function (s) { return decodeURIComponent(s.replace(pl, " ")); }, query = window.location.search.substring(1); var urlParams = {}; while (match = search.exec(query)) urlParams[decode(match[1])] = decode(match[2]); this.isListPage = $('html').hasClass('list-page'); this.isMobile = urlParams['m'] === '1'; this.isHomePage = window.location.pathname == '/'; }; BreakpointHandler.prototype.initContent = function() { var self = this; $('.post').each(function(index) { var body = $(this).children('.post-body')[0]; var content = $(body).children('.post-content')[0]; $(content).addClass('post-original'); var data = $(content).children('script').html(); data = self.rewriteForSSL(data); // If exists, extract specified editor's preview. var match = data.match(/([\s\S]+?)<div data-is-preview.+?>([\s\S]+)<\/div>/m); if (match) { data = match[1]; } // Prevent big images from loading when they aren't needed. // This must be done as a pre-injection step, since image loading can't be // canceled once embedded into the DOM. if (self.isListPage && self.isMobile) { data = data.replace(/<(img|iframe) .+?>/g, ''); } // Insert template to be rendered as nodes. content.innerHTML = data; if (self.isListPage) { var summary = document.createElement('div'); $(summary).addClass('post-content'); $(summary).addClass('post-summary'); body.insertBefore(summary, content); if (match) { // Use provided summary. summary.innerHTML = match[2]; } else { // Generate a summary. // Summary generation relies on DOM, so it must occur after content is // inserted into the page. summary.innerHTML = self.generateSummaryFromContent(content, 30); } // Add read more link to summary. var titleAnchor = $(this).find('.title a')[0]; var link = titleAnchor.cloneNode(true); link.innerHTML = 'Read More'; $(link).addClass('read-more'); summary.appendChild(link); } }); // Firefox does not allow for proper styling of BR. if (navigator.userAgent.indexOf('Firefox') > -1) { $('.post-content br').replaceWith('<span class="space"></span>'); } $('.loading').removeClass('loading'); }; BreakpointHandler.prototype.process = function() { if (!this.initted) { var makeInsecureImageRegex = function(hosts) { var whitelist = hosts.join('|').replace(/\./g,'\\.'); // Normal image tags, plus input images (yes, this is possible!) return new RegExp('(<(img|input)[^>]+?src=("|\'))http:\/\/(' + whitelist +')', 'g'); }; this.sslImageRegex = 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