The Deathray: A simple way for an untrusted site to freeze a Mac

The Deathray A simple way for an untrusted site to freeze a Mac September 10th, 2026 TL;DR A WebGPU shader on an untrusted site can hang a Mac's graphics, making the desktop UI unusable until a restart is forced. All the victim needs to do is click a link. This issue reproduces cross-browser on MacOS, but not other OSes. Try the Deathray! THE BELOW BUTTON WILL FREEZE YOUR MAC. IT MAY SLOW OTHER OSes On other OSes I've tested, it causes the tab to freeze and things to chug but once you close the