Bug 1579732 and Bug 1494522 are same bugs.
Bug 1617517 Comment 13 Edit History
Note: The actual edited comment in the bug view page will always show the original commenter’s name and original timestamp.
Bug 1579732 and Bug 1494522 are similar bugs. They are caused by compositor usage.
Bug 1579732 and Bug 1494522 are similar bugs. This bug and they are caused by compositor window usage.
Bug 1579732 and Bug 1494522 are similar bugs. This bug and they seem to be caused by compositor window usage.