Activities "overview" - huge performance hit since switching from Gnome 3 to 4

Hi there, with the Debian update from 11 to 12 came the switch from Gnome 3 to 4. This causes a huge performance problem in the "Activities" action I need to perform literally all the time, to switch between application windows. In the old system, this was very snappy, in the new system already four or five windows mean the...