[thepra]

That's messed up, why should I put up with CORS when others have a special treatment...

[its-summertime]

Its used here: https://github.com/WebKit/WebKit/blob/dc1354a1d26db54d17f7d3...

Seems to be specifically for (not) upgrading images and videos from http to https, nothing else.

[jorlow]

If a browser has too many compatibility issues, users will switch away. Outreach to the sites in question takes time and is often unsuccessful. Quirks is the pragmatic answer.

[lye]

WebKit is used by the second most popular browser after Chrome. Don't forget iOS users.

https://gs.statcounter.com/browser-market-share

[lapcat]

I don't know about quirks specifically, but often it takes many, many months before a WebKit commit actually ships to end users in Safari.

Anyway, Apple engineers aren't known for their outreach.