Know where I've had troubles with Bluetooth on Linux? Discord! Stupid Discord keeps forgetting my Bluetooth headset lately. Saddest thing about that? I've heard my Windows using friends cursing Discord over the
exact same issue on their Windows 10 and 11 rigs. (Leads me to believe it's not
entirely Bluetooth's fault every single time, but sometimes badly written software doing screwy things that confuse the Bluetooth somewhere along the way.)
In my case it's only been Discord doin' this, while everything else that uses the same headset has no troubles with it at all.