I also can't use magit because of this. I thought the poor performance came mostly from my big repository with lots of binary files but now I 'git-filter-repo'

I also can't use magit because of this. I thought the poor performance came mostly from my big repository with lots of binary files but now I 'git-filter-repo'ed the .git-directory from 2-3 GB (packed) down to 150 MB and magit is still no fun at all (although better than before).