I managed to get a whole bunch of glitched items at once without crashing while attempting to improve the TAS. Posting here in case it might lead to something.
Current improvement to the current any% published TAS. Does not use reset and the route apparently works on console. It can be improved further by avoiding coins.
#63043461467067961 - Wario Land 2 1675M improvement
Wario Land II (USA, Europe) 1675 resync 879 improvement.bk2