The Grand Theft Auto Online 1.02 Patch has currently gone live for PlayStation 3 player, and the Patch still not yet release for Xbox 360 users, which is expected to release today.
Rockstar has not officially release any patch notes, but many issues has been reported by game users. You can use following step to solve game patch issues (by gameranx)
#1 Back Screen or PlayStation 3 freezes problem
1) Go to PlayStation 3 menu
2) Go to Game data tools
3) Delete the file (version 1.01 or 1.02)
Still player have many other issues such as character missing and not synching problem, which has yet to be resolved.