Notoriety is going to be revamped very soon, which means that many aspects of the game will be changed. Bugs that have been fixed will increase the time required to complete the heist. This is mainly apparent in stealth Golden Mask Casino where you push Brickman2010 into an area where no one can see him. It's apparent in other heists as well, but a group decision will be released based upon these changes, don't be alarmed if your runs are removed, you weren't falsely accused, there has just possibly been a glitched that you utilized that has been patched.

There are other things like new and improved maps and new difficulties, which also invalidate a lot of runs.