Warning: AsyncCreatableSelect: React.createClass is deprecated and will be removed in version 16. Use plain JavaScript classes instead. If you're not yet ready to migrate, create-react-class is available on npm as a drop-in replacement.

[birdofpreyru]

This warning is shown, for example, during unit testing (npm run jest). Code should be upgraded to avoid it.

[birdofpreyru]

As of the commit 8c6c5b8 this issue is not present anymore