it's to avoid people cheating, and I believe it allows the verifiers to ensure the run is completed on a legitimate version of the game. additionally, i'm pretty sure that it'd help verifiers be able to tell if a run is spliced or not, since Ultrakill is extremely easy to splice runs of. previously, there was a brief rule that required top 3 runs to provide a session recording, but many people were unhappy with this change, meaning this is the (arguably much better) alternative.
if anyone else (preferably someone that's actually a verifier) has any corrections to make, let me know :3
it's a way to prevent cheating. "how" it does isn't exactly known (and won't be anytime soon), but just keep it on and be happy that we don't need to upload 3+ minute session recordings for everytime we do submit a top 3 run (cause dear god, that was awful.)
The Re-poll has arrived, many pointed out with the last poll we ran that the update would change a lot of the out of bounds clips and those should be re-done. Since then some different clips have been found and others have changed, even a new universal clip was found so we believe it's time to redo