> What happens if you edit a HEIF in Photos.app, and perhaps try to share a flattened version via imessage, email or upload to wordpress? Do you get a transcode

> What happens if you edit a HEIF in Photos.app, and perhaps try to share a flattened version via imessage, email or upload to wordpress? Do you get a transcoded JPEG out? (What's the quality loss like for that case?) ArsTechnica discussed sharing from Photos.app in their High Sierra review: > And when you send an image or movie via Mail or any Share extension, macOS assumes the worst of whatever device might be on the receiving end. At least for now, all of these files will automatically be converted when they’re sent. https://arstechnica.com/gadgets/2017/09/macos-10-13-high-sierra-the-ars-technica-review/8/#h4 https://arstechnica.com/gadgets/2017/09/macos-10-13-high-sie...