1997752 - Firefox Tabs in Taskbar not using correct icon

Status: NEW

(Firefox :: Web Apps, defect, P2)

Description

[Lee McGuire]

Attachment: Screenshot 2025-11-01 191145.png

User Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:144.0) Gecko/20100101 Firefox/144.0

Steps to reproduce:

Go to gmail, or google calendar, click "Add tab to taskbar"

Actual results:

Tab installs on taskbar not with Gmail icon but an ugly black globe, image attached

Expected results:

The Gmail icon should be in taskbar, using the favicon from the site. It works with all other websites

Comment 1

[BugBot [:suhaib / :marco/ :calixte]]

The Bugbug bot thinks this bug should belong to the 'Firefox::Web Apps' component, and is moving the bug to that component. Please correct in case you think the bot is wrong.

Comment 2

[Ardelean Oana, Desktop Test Engineering [:oardelean]]

Hello, thank you for the bug report!

Managed to reproduce this issue on:

• Firefox Nightly 146.0a1;
• Firefox 145.0b9;
• Firefox 144.0.2;

Tested and reproduced on Windows 10.

Setting as NEW.

Comment 3

[Robin Steuber (she/her) [:bytesized]]

@nrishel Could you please help me set a severity for this?

Comment 4

[Nick Rishel [:nrishel]]

:oardelean is this a consistent issue or does it take a few attempts?

Comment 5

[Ardelean Oana, Desktop Test Engineering [:oardelean]]

This is a consistent issue, I can reproduce from the first try.

STR:

1. Launch Fx.
2. Navigate to calendar.google.com or mail.google.com and login using a valid account.
3. Once logged in, click on the 'Add tab to taskbar' button from the address bar.