Here are a few patch messages from the past few days. Each contained more optimization fixes:

Test Server Patch - July 10, 2003 A patch to the Test Server is currently available that should resolve crash issues related to sound cards. Please post your feedback on the Test Patch to the Test Server Feedback Forum. July 9, 2003 - Small client patch A small patch went in today that improves framerate in certain problem situations. We will also continue in improving framerate optimizations. There are no other changes associated with this patch.