I didn’t have much time to do a full recap, but I might in the future. Here’s a quick peek of what it does now: 2022-05-19 DEVONthink 3 Resources save content — YouTube Coming to Apple TV - Apple 14.43.25 · CleanShot Cloud. I didn’t show it in the demo, but it also works when removing / deleting annotations from either side.
(@pete31 thanks again for sharing that original PDF script!)