You are most definitely running Discord in XWayland. You need to add chromium flags to make it run in native Wayland. You also need to have an xdg desktop portal to support screen sharing.
If you want screenshare to work on an app that can't run in wayland, use XWaylandVideoBridge
I have an Oracle Always Free VPS.
4 ARM Ampere A1 vCPUs, 24GB RAM, 200GB storage. Will this be a good fit as a server for a Lemmy instance? Are there any issues with hosting Lemmy on aarch64?
You are most definitely running Discord in XWayland. You need to add chromium flags to make it run in native Wayland. You also need to have an xdg desktop portal to support screen sharing.
If you want screenshare to work on an app that can't run in wayland, use XWaylandVideoBridge