2009678 - The Tab Note associated to a Facebook URL may be lost or be incorrectly retained when using back/forward navigation

Status: VERIFIED FIXED

(Firefox :: Tabbed Browser, defect, P2)

Description

[Daniel Bodea [:danibodea]]

Note

• Notes may get lost of incorrectly retained when using Back/Forward browser navigation on Facebook pages.

Found in

• Nightly v148.0a1

Affected versions

• Nightly v148.0a1

Tested platforms

• Affected platforms: all
• Unaffected platforms: none

Steps to reproduce

1. Log into Facebook.
2. Search for "live match update" group.
3. Click to open the group page. (link: https://www.facebook.com/groups/269166384581200)
4. Attach a note to this tab.
5. Click the browser's "Back" button.

Expected result

• The note is no longer displayed on the Facebook search results page.

Actual result

• The note remains displayed on the Facebook search results page.

Regression range

• Not a regression.

Additional steps to reproduce

1. Log into Facebook.
2. Load your user profile.
3. Search for a random name and open a different user profile.
4. Click the browser's Back button to reach your user profile again.

Expected result

• The note is displayed again.

Actual result

• The note is no longer displayed.

Comment 1

[Stephen Thompson [:sthompson]]

Thank you! We'll investigate the root cause.

Comment 2

[Daniel Bodea [:danibodea]]

This issue is no longer reproducible in Nightly v149.0a1 from 2026-02-06 on Windows 10, MacOS14, Ubuntu24.
Any possible follow-up reports on this domain will be logged separately.
This report can be closed as fixed. @sthompson, can you close it? Thanks!