The server-status module works well but I think there may be something up when you leave it running for a few days; I've had my site stop responding twice. I'm looking into it but don't have an answer yet.
New HTML Parser: The long-awaited libxml2 based HTML parser code is live. It needs further work but already handles most markup better than the original parser.
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If you're a C programmer with some spare time, take a look at the mod_virgule project page and help us with one of the tasks on the ToDo list!