There's an announcement on our sister site, AjaxDeveloper.org today that Joshua Eichorn has released the latest version of his HTML_AJAX package in PEAR - version 0.2.1.

I just released HTML_AJAX 0.2.1, if your running 0.2.0 you'll want to upgrade immediatly since this fixes a bunch of bugs I added in that version.

The main changes are: Bugs: Remove debug message when throwing an exception, Fix problems with async calls, Fix broken content-type detection, Stop trying to run an init method when the init flag isn’t set, and PHP required version moved to 4.1.0 which is what it should need.

Features: A basic debug class has been added, allowing you to write PHP errors to a file, and HTML_AJAX.replace now works async.

He also notes that there is a mailing list now working for the package and the discussion around it...