I am wondering if Aurelion will be disabled for entire worlds or is this not a permanent issue?
If he will be disabled it's quite gamebreaking in my opinion since just like last worlds one of the main picks is off the table because of a bug.
It'll probably be announced during the broadcast. If he is still disabled for day 2, then it's likely he'll be disabled for the entire worlds. It is possible they try to come up with a hot fix and re-enable him, but I find it unlikely as that opens them up to other bugs unless it's a simple one.
That said, I wouldn't consider him a main pick, more like a viable niche pick.
