1959031 - “Customize Sidebar” available in legacy sidebar

Status: RESOLVED DUPLICATE of bug 1943208

(Firefox :: Sidebar, defect, P1)

Description

[Ina Popescu, Desktop QA]

Note

• The issue affects both the new sidebar and the legacy sidebar.
• To enable the new sidebar, go to about:preferences and check "Show sidebar"
• To enable the legacy sidebar, drag the sidebar button from the Customize page to the toolbar

Found in

• Nightly 139.0a1

Affected versions

• Nightly 139.0a1
• Firefox 138.0b4

Tested platforms

• Affected platforms: All

Steps to reproduce

1. Open Firefox and enable the new sidebar
2. Open the "Customize sidebar" panel
3. Disable the new sidebar
4. Reset Defaults in the Customize page, drag the legacy sidebar button to the toolbar
5. Click to open legacy sidebar panel

Expected result

• The “Customize Sidebar” option should not appear when the legacy sidebar is enabled.

Actual result

• “Customize Sidebar” is shown, and an “undefined” header appears in the panel.

Regression range

• N/A

Additional notes

• This issue does not occur if the user never opens the “Customize Sidebar” panel after enabling the new sidebar.
• If the user closes the “Customize Sidebar” panel by clicking the X, the "undefined" message disappears and the legacy sidebar panel is displayed correctly.

Comment 1

[Ina Popescu, Desktop QA]

Attachment: undefined_new sidebar.gif

Comment 3

[Sarah Clements [:sclements]]

This will be fixed by bug 1943208, so I'll dupe it to there.