facebook/flow v0.258.0

on GitHub

Likely to cause new Flow errors:

• method-unbinding errors will not affect choice over intersection members. (e.g. try-Flow)
• We now disallow coercions between functions and class statics.
• The ability to configure react.ref_as_prop=disabled is removed.
• Use of React$Node and React$MixedElement outside of libdefs will now trigger internal-type errors.

Library Definitions:

• Improved definition of Array.concat().