1822347 - The forth non-sponsored tile cannot be dismissed if it’s the last remaining one

Status: RESOLVED DUPLICATE of bug 1822604

(Firefox :: New Tab Page, defect)

Description

[Carmen Fat [:cfat] - Ecosystem QA]

[Affected versions]:

• Firefox Nightly 113.0a1 - Build ID: 20230314094139
• Firefox Beta 112.0b1 - Build ID: 20230313211718

[Affected Platforms]:

• Windows 10 x64
• macOS 12.4
• Linux Ubuntu 20.04 x64

[Prerequisites]:

• Have a VPN client connected to an US server (for people located outside US).
• Have the nimbus.debug pref set to true.

[Steps to reproduce]:

1. Open the browser from the prerequisites.
2. Copy and paste the following link in a new tab:
   about:studies?optin_slug=showing-3rd-sponsored-tile-on-the-newtab-page&optin_branch=treatment&optin_collection=nimbus-preview
3. Open a new tab.
4. Dismiss all the non-sponsored tiles and observe what happens next.

[Expected result]:

• All the non-sponsored tiles are dismissed and no longer displayed.

[Actual result]:

• The last non-sponsored tile which took the forth spot cannot be dismissed.

[Notes]:

• The non-sponsored tile gets dismissed when only dismissing a sponsored tile.
• Here is a screen recording of the issue.

Comment 1

[Nan Jiang [:nanj]]

Hey :cfat, thanks for reporting this! After investigation, I believe this is a dup for bug 1822604. I will close this to favor that.