[Bug]: Scroll position in tab list does not show active tab

[WesleyAC]

Steps to reproduce

With many active tabs open, click on the tab switcher.

Expected behaviour

The active tab should be visible in the viewport.

Actual behaviour

Often, the active tab will not be scrolled into the viewport — instead, the view will either be scrolled to the complete bottom, or the complete top.

Device name

Google Pixel 3a

Android version

Android 11

Firefox release type

Firefox Nightly

Firefox version

93.0a1

Device logs

No response

Additional information

I have my tabs settings as:

• Tab view: List
• Close tabs: Manually

I'm not sure if this is relevant, though.

┆Issue is synchronized with this Jira Task

[marcel263]

also #19943

[jonalmeida]

Do you have any inactive tabs in your tray list? This might be a duplicate of #20637.

I'm not sure if this is relevant, though.

It is helpful, thanks. 🙂

[argymeg]

Can confirm this is happening for me again as well (it had stopped for a while after the closure of #20637). I have no inactive tabs. The workaround mentioned in the closure of #22116 also made no difference.

[jonalmeida]

Can confirm this is happening for me again as well (it had stopped for a while after the closure of #20637). I have no inactive tabs. The workaround mentioned in the closure of #22116 also made no difference.

Could you file a new bug with STR how you reproduced it? We fixed this already in #21177 so if there is a regression, let's file it as such.

Closing this issue, since we forgot to tag it in #21177 and have it auto-closed.