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An XDG Desktop Portal (later called XDP) is a program that lets other applications communicate swiftly with the compositor through D-Bus.
It's used for stuff like e.g. opening file pickers, screen sharing.
On Wayland, it also requires an implementation. For Hyprland,
you'd usually use xdg-desktop-portal-wlr (later called XDPW)
Unfortunately, due to various reasons the -wlr portal is inferior to the KDE or Gnome ones.
In order to bridge the gap, Hyprland has its own fork of XDPW that has more features, called xdg-desktop-portal-hyprland. (later called XDPH)
{{< hint type=important >}} You don't need XDPH. Hyprland will work with XDPW, but XDPH has more features, like e.g. window sharing.
XDPH will work on other wlroots-based compositors, although limited to the XDPW features (other will be disabled) {{< /hint >}}
Installing
AUR
yay -S xdg-desktop-portal-hyprland-git
Manual
Usage
Should start automatically.
The most basic way of telling everything is OK is by trying to screenshare anything, or open OBS and select pipewire source. If XDPH is running, a qt menu will pop up asking you what to share.
If it doesn't, and you get e.g. slurp, then XDPW is launching. In that case, try removing XDPW.
XDPH will work on other wlroots compositors, but features available only on Hyprland will not work (e.g. window sharing)
For a nuclear option, you can use this script and exec-once it:
#!/bin/bash
sleep 1
killall xdg-desktop-portal-hyprland
killall xdg-desktop-portal-wlr
killall xdg-desktop-portal
/usr/libexec/xdg-desktop-portal-hyprland &
sleep 2
/usr/lib/xdg-desktop-portal &
adjust the paths if incorrect.