It's been that way for quite a while now. There is a 120 minute window in which you're allowed to edit your posts. After that, you will need a mod to make the changes.
The difference between stupidity and genius is that genius has its limits.
When you take things for granted, the things you are granted, get taken.
Even a mosquito doesn't get a pat on the back until it starts to work.
Too many people miss the silver lining because they're expecting gold.
[BES 5.0.3 / GroupWise 2012 HP2]