Bugzilla

**Affected versions**
* version1

**Affected platforms**
* Firefox 77.0b2
* Firefox 78.0a1

**Preconditions:**
1- Download template files from https://github.com/mozilla/policy-templates then extract it
2- Copy the two admx files [firefox.admx and mozilla.admx] to C:\Windows\PolicyDefinitions
3- Copy the two adml files [firefox.adml and mozilla.adml] to C:\Windows\PolicyDefinitions\en-US
4- Click the start button and type gpedit.msc into the search box and hit enter
5- On gpedit.msc, go to User Configurations-> Administrative Templates -> Mozilla >Firefox

**Steps to reproduce**
1. Double click on "Clear all data when browser is closed (Moved)" and select "Enabled" and press [OK].
2. Open Firefox or restart if it is already open.
3. Go to cnn.com and navigate on the page.
4. Search "dog" in the url-bar and search "cat" in the search-bar.
5. Open a new tab and close all the other tabs.
6. Close and reopen Firefox.
7. Go to about:cache in an new tab and verify there are no cache entries to the memory.

**Expected result**
* Caches are cleared.

**Actual result**
* Memory chache have a different value than 0. Sometimes you have to refresh the page. 

**Regression range**
* I can't reproduce the issue on Firefox 76.0. I will be back with a regression as soon as possible. 

**Additional Notes:**
* As far as we can tell the issue is reproducing only on Windows 10.

**Affected versions**
* version1

**Affected platforms**
* Firefox 77.0b2
* Firefox 78.0a1

**Preconditions:**
1- Download template files from https://github.com/mozilla/policy-templates then extract it
2- Copy the two admx files [firefox.admx and mozilla.admx] to C:\Windows\PolicyDefinitions
3- Copy the two adml files [firefox.adml and mozilla.adml] to C:\Windows\PolicyDefinitions\en-US
4- Click the start button and type gpedit.msc into the search box and hit enter
5- On gpedit.msc, go to User Configurations-> Administrative Templates -> Mozilla >Firefox

**Steps to reproduce**
1. Double click on "Clear all data when browser is closed (Moved)" and select "Enabled" and press [OK].
2. Open Firefox with a clean profile.
3. Go to cnn.com and navigate on the page.
4. Search "dog" in the url-bar and search "cat" in the search-bar.
5. Open a new tab and close all the other tabs.
6. Close and reopen Firefox.
7. Go to about:cache in an new tab and verify there are no cache entries to the memory.

**Expected result**
* Caches are cleared.

**Actual result**
* Memory chache have a different value than 0. Sometimes you have to refresh the page. 

**Regression range**
* I can't reproduce the issue on Firefox 76.0. I will be back with a regression as soon as possible. 

**Additional Notes:**
* As far as we can tell the issue is reproducing only on Windows 10.

**Affected versions**
* Firefox 77.0b2
* Firefox 78.0a1

**Affected platforms**
* Windows 10 x64

**Preconditions:**
1- Download template files from https://github.com/mozilla/policy-templates then extract it
2- Copy the two admx files [firefox.admx and mozilla.admx] to C:\Windows\PolicyDefinitions
3- Copy the two adml files [firefox.adml and mozilla.adml] to C:\Windows\PolicyDefinitions\en-US
4- Click the start button and type gpedit.msc into the search box and hit enter
5- On gpedit.msc, go to User Configurations-> Administrative Templates -> Mozilla >Firefox

**Steps to reproduce**
1. Double click on "Clear all data when browser is closed (Moved)" and select "Enabled" and press [OK].
2. Open Firefox with a clean profile.
3. Go to cnn.com and navigate on the page.
4. Search "dog" in the url-bar and search "cat" in the search-bar.
5. Open a new tab and close all the other tabs.
6. Close and reopen Firefox.
7. Go to about:cache in an new tab and verify there are no cache entries to the memory.

**Expected result**
* Caches are cleared.

**Actual result**
* Memory chache have a different value than 0. Sometimes you have to refresh the page. 

**Regression range**
* I can't reproduce the issue on Firefox 76.0. I will be back with a regression as soon as possible. 

**Additional Notes:**
* As far as we can tell the issue is reproducing only on Windows 10.