react-hook-form

Radio input default selection will return null instead of empty string ''

valueAsNumber with empty input will return NaN instead of 0

setValue without shouldUnregister:false will no longer deep clone its value instead with shallow clone

New formState isValidating, this will set to true during validation.

When invoking reset({ value }) value will be shallow clone value object which you have supplied instead of deepClone.

New custom hook useController: This custom hook is what powers Controller, and shares the same props and methods as Controller. It's useful to create reusable Controlled input, while Controller is the flexible option to drop into your page or form.

defaultValues is required to measure isDirty, keep a single source of truth to avoid multiple issues raised around isDirty

When watch with useFieldArray, fields object is no longer required as defaultValue

Controller will have an extra ref props to improve DX in terms of focus management.

resolver with group error object will no longer need with trigger to show and clear error. This minor version made hook form look at parent error node to detect if there is any group error to show and hide.

With shouldUnregister set to false, empty Field Array will default as submission result.

New formState isSubmitSuccessful to indicate successful submission

setError now support focus on the actual input

With shouldUnregister:false defaultValues data will be part of the submission data

clearError have second option argument for clear errors which are exact or key name

All types from this lib has been exported. Important: only documented type: react-hook-form.com/ts will avoid breaking change.

errors is also part of formState object

disabled input will not be part of the submission data by following the HTML standard

Controller's render prop will pass down name prop

handleSubmit take a second callback for errors callback

New mode onTouched will only trigger validation after inputs are touched

defaultValue is become required for useFieldArray at each input

Revert getValues will return default values before inputs registration