Using WebKit I've found a way to debug many Safari specific issues locally on Windows.

0:00 Safari v16 runs on Windows!
0:30 WebKit vs Safari
1:36 Run via Playwright CLI
3:35 Web Inspector
4:13 Is this v16?
6:12 Run via WinCairo Build
9:55 Thanks for checking out my video!

Links
- https://schepp.dev/posts/running-webkit-on-windows/
- https://trac.webkit.org/wiki/BuildingCairoOnWindows