(In reply to Sotaro Ikeda [:sotaro] from comment #7) > I confirmed that the problem still happen on latest nightly on Windows 7. But search suggestion did not use WebRender.
Bug 1574746 Comment 8 Edit History
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(In reply to Sotaro Ikeda [:sotaro] from comment #7) > I confirmed that the problem still happen on latest nightly on Windows 7. But search suggestion did not use WebRender. But I did not see the problem when WebRender was disabled :(