As of 2025-10, metaobject fields can now be made searchable and filterable in the Shopify admin through the new admin_filterable capability, bringing metaobject fields in line with the existing capability framework used by metafield definitions and enabling merchants to filter metaobject lists by field values and create saved views based on field criteria.
This is a companion discussion topic for the original entry at https://shopify.dev/changelog/metaobject-field-capabilities