Performance issues are a known issue with the new luau type solver. I actually like using it even with all the bugs, but I’ve experience extremely long wait times before it actually starts working (in bigger games?), when opening studio
Perhaps it is because my system is low on ram, and I’m basically always above 80% ram usage (8Gb cuz my pc is very unstable with 2 sticks of ram, I need to fix it…). You should probably list your pc specks with your bug report, mainly ram and cpu