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itemprop="name">18</span></a><meta itemprop="position" content="4" /></li><li itemprop="itemListElement" itemscope itemtype="http://schema.org/ListItem" class="breadcrumb-item breadcrumb-item-end active" aria-current="page"><span itemprop="name">Major changes coming to arXiv’s (La)TeX processing</span><meta itemprop="position" content="5" /></li></ol></nav> <h1 class="page-title entry-title">Major changes coming to arXiv’s (La)TeX processing</h1> <div class="page-meta entry-meta"> <ul class="list-inline"> <li class="post-author list-inline-item"> <span class="sr-only">Author</span> <span class="meta-icon" aria-hidden="true"> <i class="cps-icon cps-icon-user"></i> </span> <span class="meta-text"> By <a href="https://blog.arxiv.org/author/cf495/">Charles Frankston</a> </span> </li> <li class="post-date list-inline-item"> <span class="sr-only">Publication date</span> <span class="meta-icon" aria-hidden="true"> <i class="cps-icon cps-icon-calendar"></i> </span> <span class="meta-text"> April 18, 2024 </span> </li> <li class="post-categories list-inline-item"> <span class="sr-only">Categories:</span> <span class="meta-icon" aria-hidden="true"> <i class="cps-icon cps-icon-category"></i> </span> <span class="meta-text"> <a href="https://blog.arxiv.org/category/about-arxiv/" rel="category tag">about arXiv</a>, <a href="https://blog.arxiv.org/category/arxiv-updates/" rel="category tag">arXiv updates</a> </span> </li> <li class="post-comment-link list-inline-item"> <span class="meta-icon" aria-hidden="true"> <i class="cps-icon cps-icon-comment"></i> </span> <span class="meta-text"> <a href="https://blog.arxiv.org/2024/04/18/major-changes-coming-to-arxivs-latex-processing/#comments">12 Comments<span class="screen-reader-text"> on Major changes coming to arXiv’s (La)TeX processing</span></a> </span> </li> </ul> </div> </div> </header> <div class="main-wrapper wrapper" id="single-wrapper"> <div class="container" id="content"> <div class="row">  <div class="col-md-8 col-xl-9 content-area" id="primary"> <main class="site-main" id="main"> <article class="post-1556 post type-post status-publish format-standard hentry category-about-arxiv category-arxiv-updates" id="post-1556"> <div class="entry-content"> <p data-renderer-start-pos="527">Major changes are coming to the way arXiv processes (La)TeX. In the next few days, we will be retiring the famous arXiv-developed “AutoTeX” system. Moving forward, arXiv will only use one current version of TeX to convert files, which we plan to closely track to the annual TeX live releases.</p> <p data-renderer-start-pos="819">While arXiv has used AutoTeX for decades to convert (La)TeX submissions to PDFs, we are making this change in favor of a simpler, more straightforward, and better documented process. Much of the work the AutoTeX system did behind the scenes – for example, altering (La)TeX submissions in an effort to hyperlink references that the author did not hyperlink – was poorly documented, and the results were sometimes surprising to authors.</p> <p data-renderer-start-pos="1267">A full description of these changes can be found at <u><a href="https://info.arxiv.org/help/submit_tex.html#latex-processing-changes-april-2024">TeX Submissions</a>.</u></p> <p data-renderer-start-pos="1362">We hope these changes will make for a better author and viewing experience, arXiv will continue to assess and re-examine our (La)TeX processing, and make changes as necessary. If you have suggestions for changes that would improve arXiv’s (La)TeX processing, leave a comment on this post! Feedback is always welcome.</p> <p data-renderer-start-pos="1680">For authors who may find issues with these changes, please open a ticket on our <a class="css-tgpl01" title="https://arxiv-org.atlassian.net/servicedesk/customer/portal/1" href="https://arxiv-org.atlassian.net/servicedesk/customer/portal/1/group/1/create/19" data-testid="link-with-safety" data-renderer-mark="true"><u data-renderer-mark="true">Support portal</u></a>.</p> </div> </article> <nav class="container navigation post-navigation"> <h2 class="sr-only">Post navigation</h2> <div class="row nav-links justify-content-between"> <span class="nav-previous"><a href="https://blog.arxiv.org/2024/03/19/arxiv-presenting-at-year-of-open-science-culminating-conference/" class="btn btn-secondary" rel="prev"><i aria-hidden="true" class="cps-icon cps-icon-chevron-left"></i>arXiv presenting at Year of Open Science Culminating Conference</a></span><span class="nav-next"><a href="https://blog.arxiv.org/2024/05/15/attention-authors-temporary-changes-to-announcement-schedule-due-to-upcoming-holidays-and-staff-development/" class="btn btn-secondary" rel="next">Attention Authors: Temporary changes to announcement schedule due to upcoming holidays and staff development<i aria-hidden="true" class="cps-icon cps-icon-chevron-right"></i></a></span> </div> </nav> <div class="comments-area" id="comments"> <h2 class="comments-title"> 12 thoughts on “<span>Major changes coming to arXiv’s (La)TeX processing</span>” </h2> <ol class="comment-list"> <li id="comment-69" class="comment even thread-even depth-1 parent"> <article id="div-comment-69" class="comment-body"> <footer class="comment-meta"> <div class="comment-author vcard"> <img alt='' src='https://secure.gravatar.com/avatar/82f7fedc86abd462478590ca932d88c4?s=32&d=mystery&r=G' class='avatar avatar-32' height='32' width='32' /> <b class="fn">Daniel Geng</b> <span class="says">says:</span> </div> <div class="comment-metadata"> <a href="https://blog.arxiv.org/2024/04/18/major-changes-coming-to-arxivs-latex-processing/#comment-69"><time datetime="2024-04-22T09:36:42-05:00">April 22, 2024 at 09:36</time></a> </div> </footer> <div class="comment-content"> <p>I don’t know if this is intended behavior, but files with the same name but different extensions (i.e. `teaser.pdf` and `teaser.tex`) seem to count as conflicting files, and one is deleted when uploading source code. Maybe this could be considered or looked into as part of this overhaul.</p> </div> <div class="reply"><a rel='nofollow' class='comment-reply-link btn btn-secondary btn-sm' href='https://blog.arxiv.org/2024/04/18/major-changes-coming-to-arxivs-latex-processing/?replytocom=69#respond' data-commentid="69" data-postid="1556" data-belowelement="div-comment-69" data-respondelement="respond" data-replyto="Reply to Daniel Geng" aria-label='Reply to Daniel Geng'>Reply</a></div> </article> <ol class="children"> <li id="comment-70" class="comment byuser comment-author-cf495 bypostauthor odd alt depth-2"> <article id="div-comment-70" class="comment-body"> <footer class="comment-meta"> <div class="comment-author vcard"> <img alt='' src='https://blogs.cornell.edu/wp-content/default-avatar-32.png?r=G' class='avatar avatar-32' height='32' width='32' /> <b class="fn">Charles Frankston</b> <span class="says">says:</span> </div> <div class="comment-metadata"> <a href="https://blog.arxiv.org/2024/04/18/major-changes-coming-to-arxivs-latex-processing/#comment-70"><time datetime="2024-04-22T10:22:21-05:00">April 22, 2024 at 10:22</time></a> </div> </footer> <div class="comment-content"> <p>Well, since we rebuild your PDF from source, if we determine that `teaser.pdf` should be built from `teaser.tex`, then of course we’d delete the teaser.pdf that you uploaded.</p> <p>The changes we’re planning to deploy this week are mostly what we can safely do without any UI changes. In the future we’ll be upgrading the UI, so when you upload multiple .tex files as part of a submission, we ‘ll stop trying to guess which one is your main .tex file, and ask you to tell us instead.</p> </div> <div class="reply"><a rel='nofollow' class='comment-reply-link btn btn-secondary btn-sm' href='https://blog.arxiv.org/2024/04/18/major-changes-coming-to-arxivs-latex-processing/?replytocom=70#respond' data-commentid="70" data-postid="1556" data-belowelement="div-comment-70" data-respondelement="respond" data-replyto="Reply to Charles Frankston" aria-label='Reply to Charles Frankston'>Reply</a></div> </article> </li> </ol> </li> <li id="comment-71" class="comment even thread-odd thread-alt depth-1 parent"> <article id="div-comment-71" class="comment-body"> <footer class="comment-meta"> <div class="comment-author vcard"> <img alt='' src='https://secure.gravatar.com/avatar/191f46ae418b3f50121cab40285c82db?s=32&d=mystery&r=G' class='avatar avatar-32' height='32' width='32' /> <b class="fn">Dima Pasechnik</b> <span class="says">says:</span> </div> <div class="comment-metadata"> <a href="https://blog.arxiv.org/2024/04/18/major-changes-coming-to-arxivs-latex-processing/#comment-71"><time datetime="2024-04-23T04:18:29-05:00">April 23, 2024 at 04:18</time></a> </div> </footer> <div class="comment-content"> <p>How about supporting Lua(La)TeX. It’s necessary for, e.g., graphs Tikz library, better unicode (incl. maths unicode) support, etc.</p> <p>As well, how about running bibtex or biber for the user, don’t force submission of .bbl files?</p> </div> <div class="reply"><a rel='nofollow' class='comment-reply-link btn btn-secondary btn-sm' href='https://blog.arxiv.org/2024/04/18/major-changes-coming-to-arxivs-latex-processing/?replytocom=71#respond' data-commentid="71" data-postid="1556" data-belowelement="div-comment-71" data-respondelement="respond" data-replyto="Reply to Dima Pasechnik" aria-label='Reply to Dima Pasechnik'>Reply</a></div> </article> <ol class="children"> <li id="comment-72" class="comment odd alt depth-2"> <article id="div-comment-72" class="comment-body"> <footer class="comment-meta"> <div class="comment-author vcard"> <img alt='' src='https://secure.gravatar.com/avatar/1ded6750ac61885c372263e839f3b8b8?s=32&d=mystery&r=G' class='avatar avatar-32' height='32' width='32' /> <b class="fn">Norbert Preining</b> <span class="says">says:</span> </div> <div class="comment-metadata"> <a href="https://blog.arxiv.org/2024/04/18/major-changes-coming-to-arxivs-latex-processing/#comment-72"><time datetime="2024-04-23T09:26:52-05:00">April 23, 2024 at 09:26</time></a> </div> </footer> <div class="comment-content"> <p>Hi Dima,<br /> I think you have seen my answer on Mastodon, but for transparency let us do it also here: The feature to allow submitters to select alternative (La)TeX compilers like lua(la)tex or xe(la)tex is planned, but requires some infrastructure changes we are working on.<br /> We don’t have a definitive release date, though.<br /> Thanks for your understanding<br /> Norbert</p> </div> <div class="reply"><a rel='nofollow' class='comment-reply-link btn btn-secondary btn-sm' href='https://blog.arxiv.org/2024/04/18/major-changes-coming-to-arxivs-latex-processing/?replytocom=72#respond' data-commentid="72" data-postid="1556" data-belowelement="div-comment-72" data-respondelement="respond" data-replyto="Reply to Norbert Preining" aria-label='Reply to Norbert Preining'>Reply</a></div> </article> </li> <li id="comment-73" class="comment even depth-2"> <article id="div-comment-73" class="comment-body"> <footer class="comment-meta"> <div class="comment-author vcard"> <img alt='' src='https://secure.gravatar.com/avatar/1ded6750ac61885c372263e839f3b8b8?s=32&d=mystery&r=G' class='avatar avatar-32' height='32' width='32' /> <b class="fn">Norbert Preining</b> <span class="says">says:</span> </div> <div class="comment-metadata"> <a href="https://blog.arxiv.org/2024/04/18/major-changes-coming-to-arxivs-latex-processing/#comment-73"><time datetime="2024-04-23T09:38:54-05:00">April 23, 2024 at 09:38</time></a> </div> </footer> <div class="comment-content"> <p>For the bibtex/biber support: Also this one is on the radar, but needs more work to auto-detect bibtex vs biber. But these are definitely features we are looking to include.</p> </div> <div class="reply"><a rel='nofollow' class='comment-reply-link btn btn-secondary btn-sm' href='https://blog.arxiv.org/2024/04/18/major-changes-coming-to-arxivs-latex-processing/?replytocom=73#respond' data-commentid="73" data-postid="1556" data-belowelement="div-comment-73" data-respondelement="respond" data-replyto="Reply to Norbert Preining" aria-label='Reply to Norbert Preining'>Reply</a></div> </article> </li> </ol> </li> <li id="comment-78" class="comment odd alt thread-even depth-1"> <article id="div-comment-78" class="comment-body"> <footer class="comment-meta"> <div class="comment-author vcard"> <img alt='' src='https://secure.gravatar.com/avatar/dfb54089037298229fc7757e3874d70a?s=32&d=mystery&r=G' class='avatar avatar-32' height='32' width='32' /> <b class="fn">Robert van Hulst</b> <span class="says">says:</span> </div> <div class="comment-metadata"> <a href="https://blog.arxiv.org/2024/04/18/major-changes-coming-to-arxivs-latex-processing/#comment-78"><time datetime="2024-05-08T13:25:30-05:00">May 8, 2024 at 13:25</time></a> </div> </footer> <div class="comment-content"> <p>I appreciate your site and find your changes appropriate.</p> </div> <div class="reply"><a rel='nofollow' class='comment-reply-link btn btn-secondary btn-sm' href='https://blog.arxiv.org/2024/04/18/major-changes-coming-to-arxivs-latex-processing/?replytocom=78#respond' data-commentid="78" data-postid="1556" data-belowelement="div-comment-78" data-respondelement="respond" data-replyto="Reply to Robert van Hulst" aria-label='Reply to Robert van Hulst'>Reply</a></div> </article> </li> <li id="comment-82" class="comment even thread-odd thread-alt depth-1 parent"> <article id="div-comment-82" class="comment-body"> <footer class="comment-meta"> <div class="comment-author vcard"> <img alt='' src='https://secure.gravatar.com/avatar/2a435be545cb7b463f751cb05de2da2c?s=32&d=mystery&r=G' class='avatar avatar-32' height='32' width='32' /> <b class="fn">Jean-François B</b> <span class="says">says:</span> </div> <div class="comment-metadata"> <a href="https://blog.arxiv.org/2024/04/18/major-changes-coming-to-arxivs-latex-processing/#comment-82"><time datetime="2024-05-23T08:19:25-05:00">May 23, 2024 at 08:19</time></a> </div> </footer> <div class="comment-content"> <p>Hello, will there be a possibility to choose `latex + dvipdfmx`? This often produces smaller PDFs thanks to font compression (using `xelatex` which shares the `xdvipdfmx` is not always an option or desired (by me)). As going along this `dvipdfmx` path requires adding hyperref/geometry options, I have in the past been constrained to remove all references to `dvipdfmx` from my sources when uploading to arxiv (or rather I use these options from a wrapper file, so that I can still get locally a pdf using dvipdfmx but do not have to edit my source at last minute when uploading final version to arxiv).</p> </div> <div class="reply"><a rel='nofollow' class='comment-reply-link btn btn-secondary btn-sm' href='https://blog.arxiv.org/2024/04/18/major-changes-coming-to-arxivs-latex-processing/?replytocom=82#respond' data-commentid="82" data-postid="1556" data-belowelement="div-comment-82" data-respondelement="respond" data-replyto="Reply to Jean-François B" aria-label='Reply to Jean-François B'>Reply</a></div> </article> <ol class="children"> <li id="comment-85" class="comment odd alt depth-2"> <article id="div-comment-85" class="comment-body"> <footer class="comment-meta"> <div class="comment-author vcard"> <img alt='' src='https://secure.gravatar.com/avatar/1ded6750ac61885c372263e839f3b8b8?s=32&d=mystery&r=G' class='avatar avatar-32' height='32' width='32' /> <b class="fn">Norbert Preining</b> <span class="says">says:</span> </div> <div class="comment-metadata"> <a href="https://blog.arxiv.org/2024/04/18/major-changes-coming-to-arxivs-latex-processing/#comment-85"><time datetime="2024-05-24T07:28:32-05:00">May 24, 2024 at 07:28</time></a> </div> </footer> <div class="comment-content"> <p>HI Jean-François,<br /> thanks for your comment. While at the moment we only support latex/pdflatex/etex, extending support to different engines is high on our list. The first ones are lualatex and xelatex.<br /> The latex/dvipdfmx route is kind of a different “beast” but I think we will be adding for this, too.</p> <p>Unfortunately, we are currently considerably involved in other projects, thus I cannot make and promises when this will be ready!</p> </div> <div class="reply"><a rel='nofollow' class='comment-reply-link btn btn-secondary btn-sm' href='https://blog.arxiv.org/2024/04/18/major-changes-coming-to-arxivs-latex-processing/?replytocom=85#respond' data-commentid="85" data-postid="1556" data-belowelement="div-comment-85" data-respondelement="respond" data-replyto="Reply to Norbert Preining" aria-label='Reply to Norbert Preining'>Reply</a></div> </article> </li> </ol> </li> <li id="comment-83" class="comment even thread-even depth-1 parent"> <article id="div-comment-83" class="comment-body"> <footer class="comment-meta"> <div class="comment-author vcard"> <img alt='' src='https://secure.gravatar.com/avatar/2a435be545cb7b463f751cb05de2da2c?s=32&d=mystery&r=G' class='avatar avatar-32' height='32' width='32' /> <b class="fn">Jean-François B.</b> <span class="says">says:</span> </div> <div class="comment-metadata"> <a href="https://blog.arxiv.org/2024/04/18/major-changes-coming-to-arxivs-latex-processing/#comment-83"><time datetime="2024-05-23T08:24:16-05:00">May 23, 2024 at 08:24</time></a> </div> </footer> <div class="comment-content"> <p>(follow-up on dvipdfmx) Also, recently I observed that the arXiv pathway did not break correctly hyperlinks using `\url` mark-up, probably due to `dvips` engine, so that for example the bibliography at end of paper looked somewhat ugly in the pdf from arXiv whereas locally on my machine via either latex+dvipdfmx (with added hyperref/geometry) options) or pdflatex justification of the bibliographical references including URLs was good.</p> </div> <div class="reply"><a rel='nofollow' class='comment-reply-link btn btn-secondary btn-sm' href='https://blog.arxiv.org/2024/04/18/major-changes-coming-to-arxivs-latex-processing/?replytocom=83#respond' data-commentid="83" data-postid="1556" data-belowelement="div-comment-83" data-respondelement="respond" data-replyto="Reply to Jean-François B." aria-label='Reply to Jean-François B.'>Reply</a></div> </article> <ol class="children"> <li id="comment-86" class="comment odd alt depth-2 parent"> <article id="div-comment-86" class="comment-body"> <footer class="comment-meta"> <div class="comment-author vcard"> <img alt='' src='https://secure.gravatar.com/avatar/1ded6750ac61885c372263e839f3b8b8?s=32&d=mystery&r=G' class='avatar avatar-32' height='32' width='32' /> <b class="fn">Norbert Preining</b> <span class="says">says:</span> </div> <div class="comment-metadata"> <a href="https://blog.arxiv.org/2024/04/18/major-changes-coming-to-arxivs-latex-processing/#comment-86"><time datetime="2024-05-24T07:29:12-05:00">May 24, 2024 at 07:29</time></a> </div> </footer> <div class="comment-content"> <p>Hi Jean-François,<br /> can you give me a pointer to the submission so that I can investigate? Thanks in advance!</p> </div> <div class="reply"><a rel='nofollow' class='comment-reply-link btn btn-secondary btn-sm' href='https://blog.arxiv.org/2024/04/18/major-changes-coming-to-arxivs-latex-processing/?replytocom=86#respond' data-commentid="86" data-postid="1556" data-belowelement="div-comment-86" data-respondelement="respond" data-replyto="Reply to Norbert Preining" aria-label='Reply to Norbert Preining'>Reply</a></div> </article> <ol class="children"> <li id="comment-98" class="comment even depth-3"> <article id="div-comment-98" class="comment-body"> <footer class="comment-meta"> <div class="comment-author vcard"> <img alt='' src='https://secure.gravatar.com/avatar/2a435be545cb7b463f751cb05de2da2c?s=32&d=mystery&r=G' class='avatar avatar-32' height='32' width='32' /> <b class="fn">Jean-François B.</b> <span class="says">says:</span> </div> <div class="comment-metadata"> <a href="https://blog.arxiv.org/2024/04/18/major-changes-coming-to-arxivs-latex-processing/#comment-98"><time datetime="2024-09-30T09:03:54-05:00">September 30, 2024 at 09:03</time></a> </div> </footer> <div class="comment-content"> <p>Hello Norbert,<br /> First I must apologize because for some reason I never realized you had replied. My bad, sorry about that and thanks for your two message.s I would like to link to some example not my own papers but random downloading has made me realize authors do not care much about providing full hyperlinks in their references (obtainable from DOI entry in an @article BibTeX entry or an URL entgry in an @misc entry). It maybe that hyperref would need extra driver option but in my experience pdflatex at home knows how to break such long URLs at dots for example, but not the arXiv processing.<br /> You can see a not very dramatic example at <a href="https://arxiv.org/pdf/2405.03625" rel="nofollow ugc">https://arxiv.org/pdf/2405.03625</a>, references [5] and [12]. I have seen much more “horizontal underfull badness” but this already shows it. If you fetch the source and compile it via pdflatex you should see a different outcome..<br /> Best, Jean-François</p> </div> <div class="reply"><a rel='nofollow' class='comment-reply-link btn btn-secondary btn-sm' href='https://blog.arxiv.org/2024/04/18/major-changes-coming-to-arxivs-latex-processing/?replytocom=98#respond' data-commentid="98" data-postid="1556" data-belowelement="div-comment-98" data-respondelement="respond" data-replyto="Reply to Jean-François B." aria-label='Reply to Jean-François B.'>Reply</a></div> </article> </li> </ol> </li> </ol> </li> <li id="comment-104" class="comment odd alt thread-odd thread-alt depth-1"> <article id="div-comment-104" class="comment-body"> <footer class="comment-meta"> <div class="comment-author vcard"> <img alt='' src='https://secure.gravatar.com/avatar/2a435be545cb7b463f751cb05de2da2c?s=32&d=mystery&r=G' class='avatar avatar-32' height='32' width='32' /> <b class="fn">Jean-François B.</b> <span class="says">says:</span> </div> <div class="comment-metadata"> <a href="https://blog.arxiv.org/2024/04/18/major-changes-coming-to-arxivs-latex-processing/#comment-104"><time datetime="2024-10-12T06:05:03-05:00">October 12, 2024 at 06:05</time></a> </div> </footer> <div class="comment-content"> <p>@npreining Dear Norbert, my problems are solved by adding \usepackage{breakurl} to the source. With the dvips driver, hyperref or url does not break links. As I use either pdflatex or latex+dvipdfmx my sources behaved fine, but each time I uploaded a paper to arXiv with bibliographical references using for example the \doiurl macro I noticed the problem in PDF. While updating a paper of mine I tested the addition of \usepackage{breakurl} to the source I upload to arXiv and this fixed for that paper the problem.</p> </div> <div class="reply"><a rel='nofollow' class='comment-reply-link btn btn-secondary btn-sm' href='https://blog.arxiv.org/2024/04/18/major-changes-coming-to-arxivs-latex-processing/?replytocom=104#respond' data-commentid="104" data-postid="1556" data-belowelement="div-comment-104" data-respondelement="respond" data-replyto="Reply to Jean-François B." aria-label='Reply to Jean-François B.'>Reply</a></div> </article> </li> </ol> <div id="respond" class="comment-respond"> <h3 id="reply-title" class="comment-reply-title">Leave a Reply <small><a rel="nofollow" id="cancel-comment-reply-link" class="comment-reply-link btn btn-secondary btn-sm" href="/2024/04/18/major-changes-coming-to-arxivs-latex-processing/#respond" style="display:none;">Cancel reply</a></small></h3><form action="https://blog.arxiv.org/wp-comments-post.php" 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