This is an ongoing change in the extension manifest v3. You can keep track of it here - https://developer.chrome.com/extensions/migrating_to_manifest_v3#timelin

This is an ongoing change in the extension manifest v3. You can keep track of it here - https://developer.chrome.com/extensions/migrating_to_manifest_v3#timeline https://developer.chrome.com/extensions/migrating_to_manifes... This is not the default yet, even in Chrome. I hope Edge does not adopt this feature or, if they do, simply continue supporting the extension manifest v2.