I'm running Ubuntu 22.04 on a Dell XPS 9310 and I just connected Logitech's Pebble 2 keyboard and mouse using Ubuntu's Bluetooth Management tool. The keyboard works great -- it connected without a problem and performs as expected. But that mouse, it was a little squirrelly to connect. (The system saw it, then it didn't. I removed the mouse batteries and then the Bluetooth manager found it right away.)
Now that it's connected, however, the mouse pointer is insanely mis-calibrated when I use Firefox. It seems to work fine with Ubuntu apps (like the Libre office products) and Chrome, but in Firefox, web-forms, highlighting, even just moving a cursor around, the mouse "pointer" is way off, making Firefox browser activities way too hard. (The cursor is a good centimeter up and to the left of whatever I want to do with a form or to highlight.)
I guess I could just use Chrome, or test other browsers, but I'd love to use Firefox. Anyone got any ideas about this issue? It feels like a Firefox issue, but maybe its a driver thing?