Unlike file data, metadata has varying persistence. Some is ephemeral, others sticky. macOS has inbuilt mechanisms for managing the persistence of extended attributes.
Metamer
Tools for editing metadata which is generally well-preserved, including copyright and keywords. Now native on all Macs.
Lightweight metadata editor now runs native on Intel and Apple Silicon Macs.
Supporting 16 different types of metadata, from Authors to Version, you don’t need to know how they are stored, etc.
The Eclectic Light Company 