• Fix ra-data-simple-rest delete method fails because of bad header (5628) (fzaninotto)
• Fix <FilterButtonMenuItem> isn't exported (5625) (fzaninotto)
• Fix support for async validators in Create and Edit forms (5623) (djhi)
• Fix useless rerenders in minor components (5616) (WiXSL)
• Fix <AppBar> rerenders too often (5613) (fzaninotto)
• Fix <ReferenceManyField> rerenders too often (5612) (fzaninotto)
• Fix <ReferenceArrayInput> doesn't humanize the source if no label is given (5606) (alanpoulain)
• [TypeScript] Fix <EditActionsProps> type is missing (5614) (fzaninotto)