Hey all, thanks so much for your patience while the team investigated this issue. A new Hotfix has now gone live that should address the crash and performance issues. You can find more info over here: https://forums.larian.com/ubbthreads.php?ubb=showflat&Number=960877#Post960877

If the issues persist and you're on the latest version of the game, please do reach out to our Support Team so they can take a look: https://larian.com/support/baldur-s-gate-3#modal