posting here cause ive been trying to find a solution for this for ages…and just saw a suggestion that finally seems to have fixed the issue…figured it might help others
https://www.reddit.com/r/Overwatch/comments/1ifcjzs/overwatch_2_low_fps_in_the_first_10mins/?utm_source=share&utm_medium=web3x&utm_name=web3xcss&utm_term=1&utm_content=share_button
if theres any drop in quality from this i havent been able to notice…but i was actually able to play the game right after booting up without having like 5 fps for the first 5 or so minutes of the day