Reposting here from general - Several cases of game freezing between waves on Malachor. Does not seem to be affecting PC client. Mostly Android but some iOS. Requires restart and lost wave(s).
Ideas
Happened to me three times today. Three R9 teams down the drain. All three happened under a minute. The first two happened a few seconds after using the event special and the game closed out. The third happened after using slkrs ult and the screen froze. I am on ios