Hi,
I have been experiencing freezing/Crash when going to new a new map from previous match, and a freeze ingame since latest patch.
Also happened to a friend in competetive but for me it has never crashed the last 4 months, since new patch 4 crashes in a day
i7 6700k and gtx 1080 win10 64bit
EDIT
it seems like the hanzo might have something to do with it, always happen with new hanzo ingame.
Transitioning to another game from lost/won game happened the most, or the same to new round. Game freezes, sometimes can see the OW logo still moving.
A friend in party also had a freeze, similar to mine in same group later