<h1>Status of REVTeX 4 and REVTeX 4.1 support</h1> <p> <span class="note">Update 3/15/2010:</span> <a href="http://authors.aps.org/revtex4/"> revtex4.1 (patch level 1)</a> is now fully supported by arXiv and all its mirrors. Please report problems you may find with it, see <a href="http://arxiv.org/help/contact">contact</a> </p> <p> <span class="note">Update 8/9/01:</span> revtex4 is now fully supported by arXiv and all its mirrors. Please report problems you may find with it, see <a href="http://arxiv.org/help/contact">contact</a>, in particular if you spot problems with older papers (papernum < 0108001) that may be using one of the beta versions so that we can fix them. </p> <p> <b>Do not use beta versions of revtex4.</b> Upgrade to the stable release available at <a href="http://publish.aps.org/revtex4/">http://publish.aps.org/revtex4/</a>. </p> <h2>Older versions of REVTeX</h2> <p>We strongly recommend that you use the current version of revtex. If you have an article that uses an older version then you likely need to package all necessary revtex class/style files with your submission.</p> <h2>Don't forget to check the processed PDF and/or PostScript!</h2> <p>As always, carefully check the diagnostic messages sent back to you upon submission and <span class="note">verify the PDF and/or PostScript generated by arXiv before the paper is announced</span>.</p>