React DOM

• Fix passive effects (useEffect) not being fired in a multi-root app. (@acdlite in #17347)

React Is

• Fix lazy and memo types considered elements instead of components (@bvaughn in #17278)

Artifacts

• react: https://unpkg.com/react@16.12.0/umd/ • react-art: https://unpkg.com/react-art@16.12.0/umd/ • react-dom: https://unpkg.com/react-dom@16.12.0/umd/ • react-is: https://unpkg.com/react-is@16.12.0/umd/ • react-test-renderer: https://unpkg.com/react-test-renderer@16.12.0/umd/ • scheduler: https://unpkg.com/scheduler@0.18.0/umd/