Bugzilla

**Affected versions**
* 77.0.1
* 78.0b8
* 79.0a1 (2020-06-18)

**Affected platforms**
* MacOS 10.15.6

**Steps to reproduce**
1. Engage in a video-conference call on `www.talky.io`.
2. Share screen with other participants.
3. Stop screen sharing.
4. Share screen again.

**Expected result**
* Screen sharing is received by other participants without any visual glitches.

**Actual Result**
* Receivers in the call are getting a screenshare with visual glitches.

**Regression range**
* Will look for one ASAP.

**Additional notes**
* The attachment is showing what happens when you receive the screen sharing from MacOS.

**Affected versions**
* 77.0.1
* 78.0b8
* 79.0a1 (2020-06-18)

**Affected platforms**
* MacOS 10.15.6

**Steps to reproduce**
1. Engage in a video-conference call on `www.talky.io`.
2. Share screen with other participants.
3. Stop screen sharing.
4. Share screen again.

**Expected result**
* Screen sharing is received by other participants without any visual glitches.

**Actual Result**
* Receivers in the call are getting a screenshare with visual glitches.

**Regression range**
* Pushlog: https://hg.mozilla.org/mozilla-central/pushloghtml?fromchange=a77e8f3efc4cb45b7caa0c87879910b9991b4219&tochange=0cf7daf34a373c26eecab2b19baf7bff67756170
* Last good revision: a77e8f3efc4cb45b7caa0c87879910b9991b4219 (2018-12-27)
* First bad revision: 0cf7daf34a373c26eecab2b19baf7bff67756170 (2018-12-28)

**Additional notes**
* The attachment is showing what happens when you receive the screen sharing from MacOS.