Bugzilla

**Affected versions**
* 75.0b3;

**Affected platforms**
* Windows 8/10;

**Steps to reproduce**
1. Launch Firefox 
2. Access [link](http://www.metadecks.org/software/sweep/audio/demos/beats1.ogg);
3. Right click on player & inspect(while it loads);
4. Hover over video autoplay in inspector;
5. Hover back in page (edited); 
* in some cases step 4,5 are not needed since the issue manifests as well;

**Expected result**
* no issues occur;

**Actual result**
* except the player background nothing else is displayed;

**Regression range**
* nature of the bug appears to be intermittent, therefor we cannot get an accurate range on this(could not even reproduce on the current nightly);
* confirmed this issue on 3 different workstations but after a while it was hard to reproduce even with fresh profiles / private browsing mode;

**Additional notes**
* attached recording with the issue;
* on macOS and Ubuntu the player loads almost instant and can't reproduce the issue;
* tentative section pick, but might not be the root cause.

**Affected versions**
* 75.0b3;

**Affected platforms**
* Windows 8/10; macOS 10.13

**Steps to reproduce**
1. Launch Firefox 
2. Access [link](http://www.metadecks.org/software/sweep/audio/demos/beats1.ogg);
3. Right click on player & inspect(while it loads);
4. Hover over video autoplay in inspector;
5. Hover back in page (edited); 
* in some cases step 4,5 are not needed since the issue manifests as well;

**Expected result**
* no issues occur;

**Actual result**
* except the player background nothing else is displayed;

**Regression range**
* nature of the bug appears to be intermittent, therefor we cannot get an accurate range on this(could not even reproduce on the current nightly);
* confirmed this issue on 3 different workstations but after a while it was hard to reproduce even with fresh profiles / private browsing mode;

**Additional notes**
* attached recording with the issue;
* on macOS and Ubuntu the player loads almost instant and can't reproduce the issue;
* tentative section pick, but might not be the root cause.

**Affected versions**
* 75.0b3;

**Affected platforms**
* Windows 8/10; macOS 10.13

**Steps to reproduce**
1. Launch Firefox 
2. Access [link](http://www.metadecks.org/software/sweep/audio/demos/beats1.ogg);
3. Right click on player & inspect(while it loads);
4. Hover over video autoplay in inspector;
5. Hover back in page (edited); 
* in some cases step 4,5 are not needed since the issue manifests as well;

**Expected result**
* no issues occur;

**Actual result**
* except the player background nothing else is displayed;

**Regression range**
* nature of the bug appears to be intermittent, therefor we cannot get an accurate range on this(could not even reproduce on the current nightly);
* confirmed this issue on 3 different workstations but after a while it was hard to reproduce even with fresh profiles / private browsing mode;

**Additional notes**
* attached recording with the issue;
* tentative section pick, but might not be the root cause.