1446134 - Unpinning a tab doesn't scroll it into view & scroll button state doesn't update

Status: NEW

(Firefox :: Tabbed Browser, defect, P3)

Description

[Emmanuel Gil Peyrot]

User Agent: Mozilla/5.0 (X11; Linux x86_64; rv:61.0) Gecko/20100101 Firefox/61.0
Build ID: 20180313225158

Steps to reproduce:

- Have a lot of open tabs (not sure that’s relevant, but anyway).
- Reload a session with pinned tabs.
- Unpin them.


Actual results:

They successfully unpinned, but they didn’t go back to the tab bar, even though I can Ctrl-PgDown to them.  If I Ctrl-PgDown to the first non-pinned tab, the bar scrolls all the way there and shows it as the first tab, with the left arrow left disabled.


Expected results:

The now-unpinned tabs should be drawn as normal tabs in the bar.

Comment 1

[Carmen Fat [:cfat] - Ecosystem QA]

User Agent: Mozilla/5.0 (X11; Linux x86_64; rv:61.0) Gecko/20100101 Firefox/61.0

Hi Emmanuel, thanks for reporting this issue.

I wasn't able to reproduce the issue on Ubuntu 14.04 x64, using latest Nightly 61.0a1 (2018-03-19) and Firefox Release 59.0. After pinning 4 tabs and opening around 50 normal tabs, I right clicked one of the tabs and selected "Reload All Tabs" option. Unpinning the tabs moved them back on the left side of the tab strip. 

Could you please retest this issue using a new clean Firefox profile (https://goo.gl/7Fec9d), maybe even safe mode (https://goo.gl/AR5o9d), to eliminate custom settings as a possible cause?

Thanks.