Remote procedure calls (RPC) are the subject of this new update to 1.5.1.3. The xmlrpc.php file has major changes to prevent a security problem. Remote procedure calls can be used as a remote control on your site, and is used to publish from a distance. It can also be misused,...

Soon after loading up WordPress 1.5 with my new list of ping destinations, I noticed a real slowdown after posting. Of course, pinging 30-50 places would slow things down, but it was a surprise. Where the surprise grew was when I posted to the future (future post date, so it...