Every few games, the game just starts lagging badly - every few seconds there is a lag. It’s definitely not the internet - restarting game and/or laptop solves the issue.
Also there is a weird bug - after disconnecting external monitor while the game is started, you can’t click on anything.
MacBook Pro (15-inch, 2019)
Catalina 10.15.2 (19C57)
Radeon Pro 560X