Found in

• 113.0a1 (2023-03-29)

Affected versions

• 113.0a1, 112.0b5, 111.0.1

Tested platforms

• Affected platforms: Windows 10, macOS 12

Preconditions

• browser.search.region CA
• have at least one CC already saved in about:preferences

Steps to reproduce

1. Reach the payment form on www.crateandbarrel.ca
2. Click on the Expiration date field and hover the mouse over any CC entry from the dropdown.
3. Select any CC entry.

Expected result

• All the CC eligible fields should be highlighted with yellow upon preview and autofill.

Actual result

• CC Number field is not highlighted upon autofill the fields. It is correctly highlighted on preview.

Regression range

• Not a recent regression.

Additional notes

• Not reproducible in Chrome.

:ailea, if you think that's a regression, could you try to find a regression range using for example mozregression?

The issue is fixed on the latest Nightly 125.0a1. The yellow highlight is displayed on all the eligible fields on preview and autofill.
As we agreed with the engineering team and based on this comment, we will mark this issue as fixed and verified.