Mozilla Connect

I am running the latest beta 147.0b7 (64-bit) on Win 11.  Google maps is very sluggish.  I can't seem to move the maps with the mouse and in street view, the mouse is so sluggish.  This is brand new.  Will there be a fix?  Tnx.

Practically all Xfinity web sites don't work.  Will this be addressed in the future or do I need to continue using Edge?Thanks.