v19.2.0
[tests] Remove to*Dev matchers (#31989)
Simplify Jest config a little bit (#11242)
[Codemod] Update copyright header to Meta (#25315)
Upgrade prettier (#26081)
Track Stack of JSX Calls (#29032)
Support Flow `as` expressions in ESLint rules (#27590)
Set the current fiber to the source of the error during error reporting (#29044)