I dont follow speed runners. I know there is a corner hop hack to skip most of the game in Zelda: OoT. Is it common across other speed runs, or is this a reference to that specific bug?
This is very common in speed running for almost any game. Similar exploits are often engine related as well. Once you find an exploit for one source or unreal game, there’s a decent chance that other games built on similar versions will share it.