If an bug in GM occurs, the GM and final are not identically.
In iOS5 GameCenter was in GM und was removed in the Final Build.
But you are right: In most of cases the GM build is offered is the final version after a few days/weeks.
In iOS5 GameCenter was in GM und was removed in the Final Build.
But you are right: In most of cases the GM build is offered is the final version after a few days/weeks.