Regression window (layout.css.servo.enabled = true): https://hg.mozilla.org/mozilla-central/pushloghtml?fromchange=73e8f351b28ffc30e8077be21ce7298f4648ca5a&tochange=5278dfcf5eb9f58eaf06ad1ce67e7fd4aba34772 Regressed by: 79c73def3bdf45398212e2cd53137667098d560f Stone Shih — Bug 1392876 - Enable coalescing mouse events to be once per refresh cycle (enable the pref). r=smaug. And I confirmed that setting dom.event.coalesce_mouse_move = false fixes the issue on Nightly75.0a1 Windows10. So, Stylo hides the existing issue.
Bug 1618190 Comment 4 Edit History
Note: The actual edited comment in the bug view page will always show the original commenter’s name and original timestamp.
Regression window (layout.css.servo.enabled = true): https://hg.mozilla.org/mozilla-central/pushloghtml?fromchange=73e8f351b28ffc30e8077be21ce7298f4648ca5a&tochange=5278dfcf5eb9f58eaf06ad1ce67e7fd4aba34772 Regressed by: 79c73def3bdf45398212e2cd53137667098d560f Stone Shih — Bug 1392876 - Enable coalescing mouse events to be once per refresh cycle (enable the pref). r=smaug. And I confirmed that setting dom.event.coalesce_mouse_move = false fixes the issue on Nightly75.0a1 Windows10. So, Stylo exposed the existing issue.