Bugzilla

**Note**
* The tab note on Instagram is retained after navigating from a post to the home page

**Found in**
* Nightly v148.0a1

**Affected versions**
* Nightly v148.0a1

**Tested platforms**
* Affected platforms: all
* Unaffected platforms: none

**Steps to reproduce**
1. Load https://www.instagram.com/ and log in.
2. Click on a post.
3. Add a note.
4. Click the browser's "back" button to return to the home page.
5. Observe the tab note.


**Expected result**
* The Instagram home page is reloaded; the tab note should not be displayed on the home page.

**Actual result**
* The Instagram home page is reloaded. 
* The tab note is retained.

**Regression range**
* Not a regression.

**Note**
* The tab note on Instagram is retained after navigating from a post to the home page using the Back browser button. The tab note disappears after the page is refreshed.

**Found in**
* Nightly v148.0a1

**Affected versions**
* Nightly v148.0a1

**Tested platforms**
* Affected platforms: all
* Unaffected platforms: none

**Steps to reproduce**
1. Load https://www.instagram.com/ and log in.
2. Click on a post.
3. Add a note.
4. Click the browser's "back" button to return to the home page.
5. Observe the tab note.


**Expected result**
* The Instagram home page is reloaded; the tab note should not be displayed on the home page.

**Actual result**
* The Instagram home page is reloaded. 
* The tab note is retained. The tab note disappears after the page is refreshed.

**Regression range**
* Not a regression.

**Note**
* The tab note on Instagram is retained after navigating from a post to the home page using the Back browser button. The tab note disappears after the page is refreshed.

**Found in**
* Nightly v149.0a1

**Affected versions**
* Nightly v148.0a1
* Nightly v149.0a1

**Tested platforms**
* Affected platforms: all
* Unaffected platforms: none

**Steps to reproduce**
1. Load https://www.instagram.com/ and log in.
2. Click on a post.
3. Add a note.
4. Click the browser's "back" button to return to the home page.
5. Observe the tab note.


**Expected result**
* The Instagram home page is reloaded; the tab note should not be displayed on the home page.

**Actual result**
* The Instagram home page is reloaded. 
* The tab note is retained. The tab note disappears after the page is refreshed.

**Regression range**
* Not a regression.