Microsoft Edge has started displaying a prominent warning that XSLT support will be disabled in a future update. This is disrupting existing software that still depends on XSLT. Has anyone confirmed whether enabling XSLT through Group Policy removes the warning, or is there another way to suppress it?
3 Answers
We had the same issue. Enabling XSLT gets rid of the notification for now. We’re also testing what happens when it’s disabled and an XSLT polyfill browser extension is installed instead.
Yes. Enabling the XSLT policy through Group Policy makes the warning disappear. We initially saw the feature disabled, but turning it back on through the policy removed the message.
The relevant setting is Edge’s XSLT-enabled policy. The documentation doesn’t clearly promise that it will hide the warning, but testing shows that enabling the policy does remove it.

Confirmed in our testing—the policy works even though the documentation doesn't explicitly say that it suppresses the warning.