http://www.simplemachines.org/
http://www.simplemachines.org/community/index.php?topic=27828.0
some changes:
* the search functionality now works better when create temporary table is disabled.
* the package manager was not skipping files correctly.
* some servers with strange security settings were complaing about URLs.
* the CGI bugs were not being worked around with FastCGI (IIS, etc.).
* the recount forum totals functionality wasn't affecting all statistics properly.