PubSubHubbub, or PuSH, is now supported on all WordPress.com blogs. For those running sites using the WordPress.org software the PuSHPress plugin is available to do the same thing. The big difference in this plugin compared to the other PuSH WordPress plugins is that it includes a PuSH hub built in.
A little bit of [...]

A small update to the LibXML2 Fix WordPress plugin is now available, version 0.2.3.
The only change was the addition of 2.6.27 to the list of libxml versions that the plugin looks for. I’ve had a few reports that this version also has problems with stripping brackets.
For those that haven’t been following this problem here’s [...]

Update – 5 Nov 2009:
These features are now available on WordPress.com as well – http://en.blog.wordpress.com/2009/11/05/rsscloud-update/

Version 0.4.1 of the rssCloud WordPress plugin is now available. The biggest change is adding support for the domain parameter in notification requests. This means that rssCloud updates processed by the plugin are no longer limited to being [...]

RSSCloud support has been enabled on all WordPress.com blogs. If you are running a WordPress.org powered blog you can do the same thing with the RSSCloud plugin.
So what does this really mean?
From the point of view of WordPress and this plugin there are three main additions:

Adds the <cloud> element to your RSS2 feed (more [...]

I’ve updated my LibXML2 Fix WordPress plugin so that the work around is enabled even if you have libxml2 2.7.3 installed but have a PHP version that is less that 5.2.9. This should fix servers who decided to update libxml2 without updating PHP.
Further details and history are at my LibXML2 Fix plugin page.
Update: Rein [...]

Despite the libxml2 problems having been solved by the release of PHP 5.2.9 and libxml2 2.7.3 there are still hosts out there who refuse to update their known to be broken setup. This really bummed me out, I didn’t want to include a hack to deal with this in core WordPress.
Just as I was [...]