4.16.0

• Add <SingleFieldList empty gap direction> props, and allow it to be used without children (#9439) (fzaninotto)
• Add <LoadingIndicator onClick> prop, allowing to trigger actions (like a refresh) on click (#9420) (david-bezero)
• Add <LocalesMenuButton icon> prop to customize the locales button icon (#9380) (djhi)
• Add <Form disableInvalidFormNotification> to allow disabling notifications when the form is invalid (#9353) (tim-hoffmann)