Safari no longer supports your extension. Do you have any intention of moving forward with it?
Thank you for letting us know. Yes, we do intend to release an updated version. It might take a few weeks however.
Update to say we’ve converted the old extension to the new Safari App Extension. Can be downloaded at https://apps.apple.com/app/id1473709319
Unlike before we are now selling the extension on the app store, but users of the old extension can email us at firstname.lastname@example.org to request a code to download the new version.
I think Apple is discontinuing support for the old extensions from Safari 13. So until then the previous extension should still work.
Perfection! Great job!
Many thanks, and for the great review!