For the most recent updates and detailed history, you can refer to the official Final Cut Pro Release Notes on Apple Support.
Users gained the ability to edit and save "Column Sets". You can add or remove specific metadata columns (such as frame size, codec, or notes) and save these as presets to switch between different project workflows easily. Final Cut Pro v10.5.3 [macOS]
Opening an existing project in version 10.5.3 updates its library format. Because this change is not backward compatible with version 10.5.2 or earlier, it is highly recommended to duplicate and back up your project libraries before updating. For the most recent updates and detailed history,
Released on June 17, 2021, for macOS introduced significant updates focused on media organization, specifically enhancing the browser experience and search functionality. Key Features & Enhancements Opening an existing project in version 10