Oana Botisan, Desktop QA Reporter
	Description • 6 years ago

[Affected versions]:
- Latest Nightly 64.0a1
- beta 63.0b9

[Affected platforms]:
- Ubuntu 16.04

[Steps to reproduce]:
1. Open Firefox.
2. Click hamburger menu -> select "Customize".
3. From the bottom of the page deactivate the "Title Bar".

[Expected result]:
- The browser remains in the same spot on the screen.

[Actual result]:
- The browser jumps across the screen. 

[Regression range]:
- Last good revision: 6550838c80462ef561b14bb5632cf784532ef725
- First bad revision: da1a71bb37fd6465cba22f83b861358b029a0e35
- Pushlog:
https://hg.mozilla.org/integration/autoland/pushloghtml?fromchange=6550838c80462ef561b14bb5632cf784532ef725&tochange=da1a71bb37fd6465cba22f83b861358b029a0e35


[Additional notes]:
- Please look at the attached gif.

	Mike Conley (:mconley) (:⚙️)
	Comment 1 • 6 years ago

Yeah, this seems pretty glitchy. Is this on your team's radar, Martin?

	Martin Stránský [:stransky] (ni? me)
	Comment 2 • 6 years ago

Adding to the tracker, Thanks.

	Pascal Chevrel:pascalc (PTO until April 26)
	Comment 3 • 6 years ago

Wontfix for 62 and 63, we already had the bug in 62 so I am not sure that this is a regression.

	Martin Stránský [:stransky] (ni? me)
	Comment 4 • 6 years ago

I have no idea how to fix that - we just change window border here, the window itself should not be touched. Looks like a Unity bug to me.

	Pascal Chevrel:pascalc (PTO until April 26)
	Comment 5 • 6 years ago

(In reply to Martin Stránský [:stransky] from comment #4)
> I have no idea how to fix that - we just change window border here, the
> window itself should not be touched. Looks like a Unity bug to me.

Not sure it's a Unity bug as I can repro myself on 18.04 and I use Gnome Shell.

	Martin Stránský [:stransky] (ni? me)
	Comment 6 • 6 years ago

(In reply to Pascal Chevrel:pascalc from comment #5)
> (In reply to Martin Stránský [:stransky] from comment #4)
> > I have no idea how to fix that - we just change window border here, the
> > window itself should not be touched. Looks like a Unity bug to me.
> 
> Not sure it's a Unity bug as I can repro myself on 18.04 and I use Gnome
> Shell.

I see. I didn't know it affects also gnome-shell, I don't see that on Fedora and I tested it on Ubuntu 16.04 only as the reporter says.

	Oana Botisan, Desktop QA Reporter
	Comment 7 • 6 years ago

I can reproduce the issue using the latest Nightly 65.0a1 (2018-11-19) on Ubuntu 18.04 x64.

	Liz Henry (:lizzard) (relman/hg->git project)
	Comment 8 • 5 years ago

Too late to fix in 64. Marking this issue as fix-optional for 65; if you land a patch in nightly and think it's low-risk for beta, please request uplift.