I'm unaware offhand of a change that broke OpenGL, and I can't reproduce your problem. You can use mozregression to isolate the change however: `mozregression --good 83 --pref gfx.webrender.force-disabled:true layers.acceleration.force-enabled:true`
Bug 1684090 Comment 13 Edit History
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I'm unaware offhand of a change that broke OpenGL, and I can't reproduce your problem. You can use mozregression to isolate the change however: `mozregression --good 83 --pref gfx.webrender.force-disabled:true layers.acceleration.force-enabled:true -a about:support` and check to see if you got OpenGL or not (OpenGL = good build, no OpenGL = bad build).