Luís Miguel

That's just not supposed to happen. Could you be pressing the touchpad by accident? Or clicking the mouse? Or may some application in your system running in the background is...

Yeah keyboard navigation definitely needs some improvement,

Agreed. Although this probably won't happen any time soon.

It shouldn't re-render on every reflow. Only when its location changes or there is some video playing for instance (which is clearly not your case). Can you link me to...

The parts about opening and closing the tab yeah that's outside of Tab Groups control. ;) I'll try to test with huge pages like those and see if I can...

It's an interesting suggestion.

Are you using the latest version 2.1? Could you please give #411 and see if any of it helps or applies to you at all?

Can you tell if anything grabs focus of any tab during startup, like the "unresponsive script" window that appears in that case? Also, does it happen if you disable all...

Tab Groups would not be very useful at all if the groups were forgotten each time you closed the browser. ;) After you disable Session Manager, but before you close...

It's not a bad idea, but I probably won't be giving it a high priority to be honest.