Earlier quoted context omitted.
Safari should be on Windows. I don't care what CSS standards it has, it needs to give Chrome and Firefox some competition
Here are the Windows WebKit builds: https://build.webkit.org/#/builders/1192 "MiniBrowser" opened after installing AppleMobileDeviceSupport64 from iTunes and VC_redist.x64, and it appeared to be making network requests, but it never rendered any web content I could see.
The layout tests on Windows are failing at the moment due to a regression introduced a few days ago (likely https://commits.webkit.org/301043@main).
The easiest way to run WebKit on Windows is via Playwright.