If you don't have a xdg-desktop-portal backend then pipewire wont init, however on exit we unconditionally deinit which can crash in pipewire which does not handle this gracefully.
Linux XShm capture plugin This plugin uses the MIT-SHM extension for the X-server to capture the desktop. Todo: - handle resolution changes of screens - handle adding/removing screens while recording - support different depths Contributing: If you are interested in helping out with the plugin, please drop by in the #obs-dev channel on quakenet. References: - http://www.x.org/releases/current/doc/xextproto/shm.html