WordPress Development Blog just announced that the 2.0.1 release of WordPress is now available.

http://wordpress.org/development/2006/01/201-release/

They closed 114 bugs in the 2.0.1 release, Here is a summary:

• You can now specify an upload directory, and whether to use date-based storage or not.
• Caching has been fixed under certain PHP enviroments.
• Permalinks have been fixed for weird enviroments as well.
• XML-RPC uploading works.
• Compatibility with older versions of PHP.
• Several WYSIWYG fixes and cleanups.
• Imports now use much less memory.
• Now works with MySQL 5.0 in strict mode.