added must have page

pages/Getting Started/Quick-start.md

@@ -104,6 +104,11 @@ Head onto the
 [Configuring Hyprland page](../../Configuring/Configuring-Hyprland) to learn all
 about configuring Hyprland to your likings.
 
+# Critical software
+
+See the [Must-have Software page](../../Useful-Utilities/Must-have) for the crucial
+things to make Wayland / Hyprland / other apps work correctly.
+
 ## Apps / X11 replacements
 
 See the [Useful Utilities page](../../Useful-Utilities) and the

pages/Useful Utilities/Hyprland-desktop-portal.md

@@ -31,6 +31,11 @@ yay -S xdg-desktop-portal-hyprland-git
 #### Manual
 See [The Github repo's readme](https://github.com/hyprwm/xdg-desktop-portal-hyprland).
 
+{{< hint type=important >}}
+It's recommended to uninstall any other portal implementations to avoid conflicts with the `-hyprland` or `-wlr` ones.
+
+`-kde` and `-gnome` are known to cause issues.
+{{< /hint >}}
 
 ## Usage