alt Hacker NewsEven in the Chrome hegemony you don't want to be missing Edge and many others, so you test chromium.
Similarly, while not perfect you can test WebKit, and if you like, on Linux or Windows, for example:
https://orionbrowser.com/platforms/linux
Apple wouldn't be in the business of VMs with Safari, but if you're looking for MacOS VMs, turn to a CSP: https://aws.amazon.com/ec2/instance-types/mac/
Many have software testing orchestration pre-wired.
I know of the solutions. I use a few of them.
I have multiple Playwright webkits on both Windows and Linux. I have Epiphany on Linux (not 100% same webkit). I have subscriptions for testing on real hardware.
This is why it seems to me that Apple does not really care about web developers.