1773639 - [Experiment] The QR code of the "Mobile" slide from the "treatment-b" branch is barely visible if the browser's "Dark" theme is enabled

Status: VERIFIED FIXED

(Firefox :: Messaging System, defect)

Description

[Marius Coman [:mcoman], Ecosystem QA]

Attachment: ss of the issue.png

[Notes]:

• Due to this issue on certain screens the QR code cannot be read by the mobile device.

[Affected versions]:

• Firefox Beta 102.0b6 - Build ID: 20220609185805

[Affected Platforms]:

• Windows 10 x64
• macOS 11.6.2
• Linux Mint 20.2 x64

[Prerequisites]:

• Have the following prefs in the "about:config" page:
  • "nimbus.debug" pref set to "true".
• Have the browser's "Dark" theme enabled from "about:addons>Themes" page.

[Steps to reproduce]:

1. Open the browser with the profile from the prerequisites.
2. Navigate to the "about:studies?optin_slug=about-welcome-mobile-download&optin_branch=treatment-b&optin_collection=nimbus-preview" URL.
3. Restart the browser and navigate to the "about:welcome" page.
4. Navigate to the last slide and observe the QR code.

[Expected result]:

• The QR code is successfully displayed and visible.

[Actual result]:

• The QR code is barely visible.

[Additional Notes]:

• This issue is not reproducible with the QR code from the "treatment-a" branch of the experiment
• Attached a screenshot of the issue.

Comment 1

[Emily McMinn :emcminn]

Attachment: MacOS dark mode

Comment 2

[Emily McMinn :emcminn]

Attachment: Windows HCM

Comment 3

[Emily McMinn :emcminn]

Fixed with a new QR code svg using a solid background. @mcoman does QA need to be run again?

Comment 4

[Marius Coman [:mcoman], Ecosystem QA]

Hi, Emily! We have performed another round of testing on the experiment and we have sent a GREEN sign-off via email. Also, I will mark this issue as Verified as it was part of the work done on the [QA-1521] Mobile download during first run onboarding request.