Closed Bug 1669497 Opened 7 months ago Closed 6 months ago

[Experiment] The "Fission" doorhanger is wrongly displayed when enrolled in the "fission-disabled" branch

Categories

(Firefox :: Messaging System, defect)

Desktop
All
defect

Tracking

()

VERIFIED FIXED
83 Branch
Tracking Status
firefox81 --- unaffected
firefox82 --- unaffected
firefox83 --- verified

People

(Reporter: mcoman, Assigned: Yoric)

References

(Blocks 1 open bug)

Details

Attachments

(2 files)

Attached image rec of the issue.gif

[Affected versions]:

  • Firefox Nightly 83.0a1 - Build ID: 20201006041051

[Affected Platforms]:

  • Windows 10 x64
  • Windows 7 x64
  • macOS 10.15

[Prerequisites]:

  • Have a new Firefox profile created.
  • Have the user.js for the “fission-disabled” branch downloaded to your PC.

[Steps to reproduce]:

  1. Open the browser with the profile from prerequisites.
  2. Navigate to the "about:support" page and open the profile folder.
  3. Paste the user.js file from prerequisites and restart the browser.
  4. Restart the browser for the second time and navigate to any website (e.g. https://www.wikipedia.org/).
  5. Observe the behavior.

[Expected result]:

  • The page is successfully opened and there is no "Fission" doorhanger displayed.

[Actual result]:

  • The "Fission" doorhanger is also displayed.

[Notes]:

  • Attached a screenshot of the issue.
Component: General → DOM: Navigation

Can you please confirm from about:home#devtools-targeting the value of isFissionExperimentEnabled when this happens?
Is it showing up as true when enrolled in the "fission-disabled" branch?

Flags: needinfo?(mcoman)
Assignee: nobody → dteller
Status: NEW → ASSIGNED
Pushed by dteller@mozilla.com:
https://hg.mozilla.org/integration/autoland/rev/cf9b40bed8cb
Fix isFissionExperimentEnabled;r=nika

Hi Andrei, I have verified this in the "about:home#devtools-targeting" page, and I can confirm that the status of the isFissionExperimentEnabled expression is true.

Flags: needinfo?(mcoman)

Problem identified. The patch above should fix it.

Status: ASSIGNED → RESOLVED
Closed: 6 months ago
Resolution: --- → FIXED
Target Milestone: --- → 83 Branch

I have verified that this issue is no longer reproducible with the latest Firefox Nightly (83.0a1 Build ID - 20201008094950) installed, on Windows 10 x64 and Mac 10.15. Now I can confirm that the "Fission" doorhanger is no longer displayed when enrolled in the "fission-disabled" branch.

Status: RESOLVED → VERIFIED
Component: DOM: Navigation → Messaging System
Product: Core → Firefox
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