🐞 fix https://github.com/react-hook-form/react-hook-form/issues/8493 error not trigger with delayError (https://github.com/react-hook-form/react-hook-form/pull/8494) 🔍 fix null or undefined cases caught by TS ^4.8 (https://github.com/react-hook-form/react-hook-form/pull/8487) 🥸 funnel along with appropriate constraints for (upcoming) TypeScript 4.8 (https://github.com/react-hook-form/react-hook-form/pull/8484)
thanks to @DanielRosenwasser