Is there any new firmware update? even a beta firmware will work? issues are connection dropping, signal dropping on 2.4ghz etc A lot of problems are there but a EU beta is given but no beta firmware

Helo guys. I have upgraded my router to new firmware version 1.1.7 Build 20201010 rel.49458. BUT My ethernet port now just connect at 100MB/S. not the gigabit anymore. I had to revert to the old firmw