v17.0.0
Improve DevTools editing interface (#19774)
Fix spelling errors and typos (#19138)
DevTools temporarily disable prepareStackTrace before creating custom component stacks (#18717)
DevTools: Improved "native" component stacks (#18656)
Remove the deprecated React Flare event system (#19520)
Clarifications
Fix Cannot read property 'sub' of undefined when navigating to plain-text pages (#17848)