I can reproduce this with both d2d-canvas and gpu-canvas. Bisection: https://hg.mozilla.org/mozilla-central/pushloghtml?fromchange=440856ffde519ea98b6c1fca7d461c20cc55a90c&tochange=ef0d179e0aeb0bb18be03786361046fb661ad64f Suspect: bug 1804952
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I can reproduce this with both d2d-canvas ~and gpu-canvas.~ Bisection: https://hg.mozilla.org/mozilla-central/pushloghtml?fromchange=440856ffde519ea98b6c1fca7d461c20cc55a90c&tochange=ef0d179e0aeb0bb18be03786361046fb661ad64f Suspect: bug 1804952
I can reproduce this with both d2d-canvas ~and gpu-canvas.~ With D2d-canvas, prior to the regression the graph was drawn completely correct (including the shaded/filled parts). Bisection: https://hg.mozilla.org/mozilla-central/pushloghtml?fromchange=440856ffde519ea98b6c1fca7d461c20cc55a90c&tochange=ef0d179e0aeb0bb18be03786361046fb661ad64f Suspect: bug 1804952