Just spotted this thread on a mobile forum here a user Blaxx has posted a partial changelog for the v12 firmware of the N97 which got released yesteday. Personally , i find the phone a lot faster and the UI transitions a lot snappier.
Partial change log for yall
* Following cases have been corrected and/or improved
– Fix for browser cache consuming more than specified in C drive
– Battery indictor showing wrong status (2-3bars) when charging completes
– Firmware over the air (FOTA) setting correction
– User interaction to device while FOTA may cause need for user to power on/off
– Fix for calendar entry lost
– Fix for mail that may get duplicated
– Fix to resolve GPRS access point selection even if WLAN access point is available
– Fix to not to ask user to do new profile while there is already one available
– Fix to display messaging application correctly when theme effect is set to ON
– Fix for Ovi store client may not properly installed if user has a client already installed earlier version
* Applications changes
– Ovi store application is now updated
via thenokiablog