Larian Studios Forums Baldur's Gate III Baldur's Gate III - Suggestions & Feedback Sorcerer - Quicken Spell an issue

The game should not be balanced for multiclassing, as these are usually terribly out of balance combinations. First of all, they should focus on balancing games for singular classes. Anyone who wants to break the game with some combo op (which is the purpose of such builds) will still be able to do it.
As for haste, it's fairly easy to fix. Make it not combined with quicken spell