v4.13.0

New Features

• Added beforeSubmit and afterSubmit callbacks to FieldConfig #216

Bug Fixes

• Guard against deleted entry in notify #214 final-form/react-final-form#159
• Don't call onSubmit while submitting #202 final-form/react-final-form#433
• Improve performance of setIn #211 #193

Typing Fixes

• Dynamically generate ConfigKey using keyof #208
• Improvements to the Typescript types around FormData #209

v4.12.0...v4.13.0