1367136 - Tab reordering is broken in Firefox55 with animations=disable

Status: RESOLVED WORKSFORME

(Firefox :: Tabbed Browser, defect)

Description

[u595893]

User Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.13; rv:50.0) Gecko/20100101 Firefox/50.0
Build ID: 20100101

Steps to reproduce:

toolkit.cosmeticAnimations.enabled toggled

Open 10 pages

now move tab 10 to tab 2 location,


Actual results:

tab jumps back to tab 10 position and then jumps to tab 2 location


Expected results:

should have stayed in tab 2 position from tab 10 after leaving it there

Comment 1

[u595893]

Added some bugs which seems similar but not *duplicate* and might be *Related*


New poster sorry for mistakes

Comment 2

[u595893]

Is this intended? can it be disabled properly system wide?
Hate animations as they are distracting to my work flow .

Comment 3

[Jared Wein [:jaws] (please needinfo? me)]

I'm unable to reproduce this bug. I opened 10 tabs and was able to drag the 10th tab to the 2nd position and I could see both an animation of the tab moving in to place as well as the tab remaining in the 2nd position. I was able to see this work with the toolkit.cosmeticAnimations.enabled pref set to true, as well as set to false (after fixing bug 1366060).