The Revelations bug has been around for a few weeks now and it is because those 4 pods are getting destroyed even though they are not supposed to be destroyed.
The thing with event tab being greyed out is because it was part of a fix for a glitch that was being exploited. I think some here remember the fix to the exploit that allowed players to keep Rom/Jem'Hadar neutral and TOS being able to have access to both the TOS ERA and 2409/2411 ERA at the same time.
I think they mean the ability to customize outfits without visiting a tailor. The ability was in game but was disabled because of tailor glitches that were popping up allowing access tp stuff you shouldn't have access to.
Actually the event tab and account bank access being removed from TOS/Disco/Rom until a certain point was because of another exploit that allowed players to keep them factionless that was fixed.