Changelog: (note: all fixes are cumulative -- all you need is the latest version)
2009-11-24/2009-11-19 Version 2.11.25 viewtopic.php?f=6&t=23776
same as the 2009-11-19 / 2.11.23b fix, with the added StarTrack campaign tracks for tmuf only.

2009-11-19 Version 2.11.23 (b) viewtopic.php?f=28&t=23695
no specified changes, release candidate for StarTrack update !

2009-10-09 Version 2.11.23 viewtopic.php?f=28&t=23210
-Fix for the crash when in multiplayer mode, the mouse is over a image in a server manialink page and the map changes.
-Fixed the rumble on speedlink joypads
-Issue with degraded texture quality for graphic cards with lots of RAM.
-Issue with too restrictive access rights on the shared data folder, under vista.
-Support for the new connection protocol with login signature checks
-Clipping issues with the launcher and Japanese characters
-Some little optimizations with load times
-Add a few more fixes carried over from the dedicated server (crashes on invalid data or packets,..)

2008-11-26 Version 2.11.19 viewtopic.php?f=28&t=19109
-Fixes the issue with the referee banning legit players. (with the "Fiber Terminate" error)

2008-12-05 Version 2.11.18 viewtopic.php?f=28&t=19109&start=0
-(it's really only needed for use as referee, it's exactly identical to 2008-07-30, except for the referee mode fixes.)

2008-10-07 Version 2.11.17 viewtopic.php?f=28&t=18375&p=134295#p134295
-Fixes an issue with the referee mode. (The referee didn't validate scores of disconnected players.)

2008-07-30 Version 2.11.16 viewtopic.php?f=6&t=16357 , viewtopic.php?p=126284#p126284
-The scores sorting was broken, most notably in laps mode
-In laps mode: the score of a disconnected player isn't reset any more

2008-07-25 Version 2.11.15 viewtopic.php?f=6&t=16357&p=125632#p125632
-The in-game server no longer traps users in spectator mode
-One more crash fixed

2008-07-24 Version 2.11.14 viewtopic.php?f=6&t=16357&p=125496#p125496
-Now works with windows 2000
-The delay on the start line in time attack
-A few more crash fixes

2008-07-18 Version 2.11.13 viewtopic.php?f=6&t=16357&p=124714#p124714
-Many crash fixes
-Ability to respond to Maniazone posts directly ingame
-Fixed spectator mode keyboard shortcuts (in follow mode, use 1-3 to switch camera, and Ctrl+0-9 to switch players)
-Validation in laps mode (to have a fully debugged laps mode, you need to have both the game and the server updated to the latest version)
-Manialink browser small fixes (proxy settings now used for all http requests, the videos and sounds are displayed sooner, ...)
-Translations files updated to the latest version

Previous: viewtopic.php?f=6&t=16357&start=0
-Improved checkpoint time deltas
-Closing of application in laps mode
-Hide to close modified in cam 3
-Force opponent visible keep hide to close and set number
-Very high shadow problems on some graphic boards
-Reflections in desert water in more configurations
-259 to 260 medals crash removed
-Fixed map browsing of personal campaign
-Stereoscopic additional modes
-Spectator cam fixes
-Maniacode play_track on same track working
-Update custom challenge score at download
-Various small interface glitches
-Many crash fixes