v16.12.0
[Flight] Basic Streaming Suspense Support (#17285)
Warn for javascript: URLs in DOM sinks (#15047)
Fix regression: Errors not emitted in streams (#14314)
Drop the year from Facebook copyright headers and the LICENSE file. (#13593)
[Flight] Move around the Server side a bit (#17251)
Use unique thread ID for each partial render to access Context (#14182)
Warning system refactoring (part 1) (#16799)
Add a feature flag to disable legacy context (#16269)
Migrate useDeferredValue and useTransition (#17058)
rephrase comment (#16559)
Fix typos (#14124)