Posted here as #bug-reports is locked.
As of recent (1-2 weeks ago), the client began to not detect mouse input properly, which leads to broken camera movement, making many games completely unplayable. It’s as if the secondary mouse button rapidly rises and drops. This is specific to the Roblox player (it doesn’t happen when playtesting in Studio), and occurs in any experience when using any pointing device (even the built-in touchpad).
I’m running macOS 10.15.7, which should still be supported.