<p>Until now, all flash files were save in a binary .fla file. <a href="http://www.moock.org/blog/archives/000269.html">Seems like</a> CS4 will bring a new format .xfl that is a zip file with all the components of the movie and a xml manifest. This will improve it&#8217;s interoperability with third parties like image and video editors, or even opensource flash editors.</p>

<p>Together with Microsoft&#8217;s <span class="caps">OOXML</span> (even with all those <span class="caps">OOXML</span> vs <span class="caps">ODF</span> issues, it&#8217;s still plain <span class="caps">XML</span>) it will allow a next generation versioning systems (who know Git with a tortoiseSVN-like interface, or even better) and a cool Office/Flash/Imaging Diff tool. And merged with a web-based editor would be perfect for non-geek end users. You might read more about this on <a href="http://pauloquerido.net/2008/01/sistemas-de-backup-de-versoes-e-colaborativos">my guest post over PauloQuerido&#8217;s</a>.</p>