Looks like it will be a big help to RN. However, I can't confirm that it's a drop in replacement. https://facebook.github.io/react/contributing/codebase-overv

Looks like it will be a big help to RN. However, I can't confirm that it's a drop in replacement. https://facebook.github.io/react/contributing/codebase-overview.html#fiber-reconciler https://facebook.github.io/react/contributing/codebase-overv...