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Broken Screen Sharing on Linux Wayland

<!-- Our bug tracker is ONLY for bugs. It is not for feature requests, questions, or comments. Please fill out this template with all the information you have. We can't do much without both the logs and a detailed description of what you've encountered. Please do your best! Please note that this tracker is only for bugs. Please try these locations if you have a question or comment: https://community.signalusers.org/ http://support.signal.org/ support@signal.org Lastly, be sure to preview your issue before saving. Thanks! --> - [x] I have searched open and closed issues for duplicates <!-- You can search all issues here: https://github.com/signalapp/Signal-Desktop/issues?utf8=%E2%9C%93&q=is%3Aissue Replace [ ] with [X] once you've searched --> --- ### Bug Description Screen sharing on Linux X11 works, however Linux Wayland does not currently work. Virtually all Linux distros which default to Wayland (Fedora, Ubuntu 21.04, Debian 10, etc) also include PipeWire. PipeWire enables things like screen sharing on Wayland, and upstream Chromium includes support for it. Please note [native Wayland support](https://github.com/signalapp/Signal-Desktop/issues/3411) is _not_ necessary for screen sharing via PipeWire to work, Signal can be running in xwayland (not native wayland) and PipeWire screen sharing still works. ### Steps to Reproduce <!-- Using bullet points, list the steps that reproduce the bug. --> 1. Press the screen share button in a video call on L

Posted by vchernin on Jun 19, 2021, 5:50 PM

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reliability (Sysadmin)

Broken Screen Sharing on Linux Wayland

vcherninJun 19, 2021, 5:50 PM

<!-- Our bug tracker is ONLY for bugs. It is not for feature requests, questions, or comments. Please fill out this template with all the information you have. We can't do much without both the logs and a detailed description of what you've encountered. Please do your best! Please note that this tracker is only for bugs. Please try these locations if you have a question or comment: https://community.signalusers.org/ http://support.signal.org/ support@signal.org Lastly, be sure to preview your issue before saving. Thanks! --> - [x] I have searched open and closed issues for duplicates <!-- You can search all issues here: https://github.com/signalapp/Signal-Desktop/issues?utf8=%E2%9C%93&q=is%3Aissue Replace [ ] with [X] once you've searched --> --- ### Bug Description Screen sharing on Linux X11 works, however Linux Wayland does not currently work. Virtually all Linux distros which default to Wayland (Fedora, Ubuntu 21.04, Debian 10, etc) also include PipeWire. PipeWire enables things like screen sharing on Wayland, and upstream Chromium includes support for it. Please note [native Wayland support](https://github.com/signalapp/Signal-Desktop/issues/3411) is _not_ necessary for screen sharing via PipeWire to work, Signal can be running in xwayland (not native wayland) and PipeWire screen sharing still works. ### Steps to Reproduce <!-- Using bullet points, list the steps that reproduce the bug. --> 1. Press the screen share button in a video call on L

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