The Magento_MediaGalleryCmsUi module provides Magento_Cms related UI elements to the media gallery user interface
Extension developers can interact with the Magento_MediaGalleryRenditions module. For more information about the Magento extension mechanism, see Magento plug-ins.
The Magento dependency injection mechanism enables you to override the functionality of the Magento_MediaGalleryRenditions module.
For information about significant changes in patch releases, see Release information.