The BattleGrounds have updated there site with the complete change log for v1.2 and they also have explaned the reason for the downtime on sunday.

here's part of the change log

- Added env_flag to allow model changes on a team becoming involved with a certain capture point
- Added func_ammostriper and func_ammoprovider to allow mappers to add and remove a player's ammo
- Added info_reset to allow mappers to reset entities at the end of a round
- Added team settings into all triggers, to only allow that trigger to go off for one team or all teams
- Added dynamically blurring crosshairs (with class and health influence)
- Fixed player holding gun with one hand after respawning in the middle of animating a fire sequence
- Fixed loader not working with DoD retail
- Fixed wall-strafing - walking right up into the wall gives you a speed boost
- Fixed bayonet and melee lengths
- Fixed reload animation sometimes not playing

head on over to the website to see the rest of it.