Indeed, 2.1.1.12 brings some easy to spot changes.

New camera ui




App drawer on Lockscreen is replaced by camera shortcut.
Swipe up from lockscreen bottom edge gives direct cam access.


Different presentation of calander entries in notifications area



And Dalvik App size, data and cache consumption are now shown for each app in settings -> apps



Also 2 more VPN modes, L2TP and PPTP.