1886375 - The default mail handler is changed to Always ask if the user already manually set one and the mailto infobar is displayed afterwards

Status: NEW

(Firefox :: Shell Integration, defect)

Description

[Bogdan Maris, Desktop Test Engineering]

Attachment: Gif showing the issue

Found in

• Firefox 125.0b1

Affected versions

• Firefox 125.0b1
• Latest Nighty 126.0a1

Tested platforms

• Affected platforms: Windows 10 and 11
• Unaffected platforms: macOS and Ubuntu

Preconditions

• Have browser.mailto.dualPrompt set to true.

Steps to reproduce

1. Visit about:preferences > Applications
2. Click the mailto dropdown and select Gmail as the default mailto handler
3. Open https://get.wireme.de/mailto-test.html
4. Click on Add a single site as mailto handler button
5. Visit about:preferences > Applications or refresh the page if already opened

Expected result

• Gmail is still the default mail handler since I did not click on Set as default for the service used at step 3.

Actual result

• The default mail handler is set to Always ask.

Regression range

• Not a regression, it was implemented like this in the first Nightly (2024-03-12) that enabled the feature.

Additional notes

• Gif showing the issue is attached.
• I was also able to reproduce this issue with sogo demo page as well.