I can't say I have noticed this so can't confirm if it is a problem or not.
But are you sure you aren't accidentally pressing the keyboard shortcut for suspending/enabling groups while you are working?
Barry.
One of the forum moderators.
Versions 6.5 to 27
i7-10700 @ 2.9Ghz, 32GB ram, GeForce RTX 2060 (6GB), Windows 10
Lenovo Thinkpad - i7-1270P 2.20 GHz, 32GB RAM, Nvidia T550, Windows 11