Over on our sister site, AjaxDeveloper.org today, there's a note about the latest release of Joshua Eichorn's HTML_AJAX PEAR package - version 0.3.1.
More details are available on the release notes on the wiki.
Feature wise were getting close to beta release, its mainly getting a browser compatability test suite added in and doing some basic API review. If you have experience supporting an API without breaking bc, it would be great to get your feedback on HTML_AJAX.
HTML_AJAX 0.3.1 is out, lots of good bug fixes, and iframe fallback support for Opera and IE with activeX turned off.
In the release notes, there's mention of several bugs with Internet Explorer implementations and some yet unsolved problems (IE memory leaks and table support in Konqueror). Check out the rest of the notes for more of the bugs and issues they've taken care of...