I use a site that uses webGL https://maptap.gg and it failed for the first time when I went there after the latest release.
Going to the test page https://get.webgl.org gives
Oh no! We are sorry, but your browser does not seem to support WebGL.
Using compatibility mode does not work.
Safari works.
WebGL should work as it did before.
Version 1.0.6 (145.2-rc), WebKit 625.1.8 Build date May 11, 2026 Mac mini (macOS Tahoe 26.4.1 build 25E253)
Tahoe (26)
This is a regression in the RC - the test site should be part of your test suite. This case is from a freshly restarted Orion not a problem with sleep.