v16.12.0
Warning system refactoring (part 1) (#16799)
Interaction tracing works across hidden and SSR hydration boundaries (#15872)
Enforce presence or absence of component stack in tests (#13215)
chore: upgrade to jest 24 (#15778)
Disabled DevTools tests from yarn-build target
Configured CI to run DevTools tests. Updated other test configs not to include DevTools tests.
Add error when running jest directly (#12726)
Forbid Haste in Jest (#11647)
Remove concurrent apis from stable (#17088)
Add Experimental Flight Infrastructure (#16398)
Add new mock build of Scheduler with flush, yield API (#14964)
Experimental test helper: `it.experimental` (#17149)
Run persistent mode tests in CI (#15029)
warn if you try to use act() in prod (#16282)