16.10.0 (September 27, 2019) — React - Product release notes & changelog tool

Fix edge case where a hook update wasn’t being memoized. (@sebmarkbage in #16359)
Fix heuristic for determining when to hydrate, so we don’t incorrectly hydrate during an update. (@sebmarkbage in #16739)
Clear additional fiber fields during unmount to save memory. (@trueadm in #16807)
Fix bug with required text fields in Firefox. (@halvves in #16578)
Prefer Object.is instead of inline polyfill, when available. (@ku8ar in #16212)
Fix bug when mixing Suspense and error handling. (@acdlite in #16801)

Improve queue performance by switching its internal data structure to a min binary heap. (@acdlite in #16245)
Use postMessage loop with short intervals instead of attempting to align to frame boundaries with requestAnimationFrame. (@acdlite in #16214)

Avoid tearing issue when a mutation happens and the previous update is still in progress. (@bvaughn in #16623)