Bugzilla

**Found in**
*  Nightly 121.0a1

**Affected versions**
*  Nightly 121.0a1

**Tested platforms**
* Affected platforms: Windows 10 x64, macOS 11

**Preconditions**
* Install the Firefox en-US build
* Set browser.search.region to US in about:config
* Flip following prefs in about:config:
extensions.formautofill.addresses.capture.v2.enabled = true
extensions.formautofill.addresses.supported = on
* Use US VPN to test

**Steps to reproduce**
1. Log into https://www.costco.com/ , add an item to bag and navigate to the checkout page.
2. Fill in the Address Form and press the submit button.

**Expected result**
*  The address doorhanger is displayed upon address form submission.

**Actual result**
*  The address doorhanger is not displayed upon address form submission.

**Regression range**
* N/A

**Additional notes**
*  The issue can be reproduced in Google Chrome.
* [Fathom Fox page](https://drive.google.com/file/d/1xrVHsKkSCe6bpcxigut7Y0EE1wOCywlv/view?usp=sharing)

**Found in**
*  Nightly 121.0a1

**Affected versions**
*  Nightly 121.0a1

**Tested platforms**
* Affected platforms: Windows 10 x64, macOS 11

**Preconditions**
* Install the Firefox en-US build
* Set browser.search.region to US in about:config
* Flip following prefs in about:config:
extensions.formautofill.addresses.capture.v2.enabled = true
extensions.formautofill.addresses.supported = on
* Use US VPN to test

**Steps to reproduce**
1. Log into https://www.costco.com/ , add an item to bag and navigate to the checkout page.
2. Fill in the Address Form and press the submit button.

**Expected result**
*  The address doorhanger is displayed upon address form submission.

**Actual result**
*  The address doorhanger is not displayed upon address form submission.

**Regression range**
* N/A

**Additional notes**
*  The issue is not reproducible in Chrome. The address save doorhanger is displayed accordingly there.
* [Fathom Fox page](https://drive.google.com/file/d/1xrVHsKkSCe6bpcxigut7Y0EE1wOCywlv/view?usp=sharing)