diff --git a/modules/nixos/desktop/desktop-niri.ulu.nix b/modules/nixos/desktop/desktop-niri.ulu.nix
index 209c886..db4c083 100644
--- a/modules/nixos/desktop/desktop-niri.ulu.nix
+++ b/modules/nixos/desktop/desktop-niri.ulu.nix
@@ -6,15 +6,12 @@
       programs.niri.enable = true;
       nixpkgs.overlays = [
         (final: prev: {
-          xwayland-satellite =
-            if prev.lib.versionOlder prev.xwayland-satellite.version "0.8.3" then
-              prev.xwayland-satellite.overrideAttrs (old: {
-                patches = (old.patches or [ ]) ++ [
-                  ./xwayland-satellite-no-focus-override-redirect.patch
-                ];
-              })
-            else
-              prev.xwayland-satellite;
+          xwayland-satellite = prev.xwayland-satellite.overrideAttrs (old: {
+            patches =
+              (old.patches or [ ])
+              ++ prev.lib.optional (prev.lib.versionOlder old.version "0.8.3") ./xwayland-satellite-no-focus-override-redirect.patch
+              ++ prev.lib.optional (prev.lib.versionOlder old.version "0.8.4") ./xwayland-satellite-resizable-dialog-toplevel.patch;
+          });
         })
       ];
 
diff --git a/modules/nixos/desktop/xwayland-satellite-resizable-dialog-toplevel.patch b/modules/nixos/desktop/xwayland-satellite-resizable-dialog-toplevel.patch
new file mode 100644
index 0000000..c7e028d
--- /dev/null
+++ b/modules/nixos/desktop/xwayland-satellite-resizable-dialog-toplevel.patch
@@ -0,0 +1,49 @@
+--- a/src/xstate/mod.rs	2026-10-10 02:55:59.663368893 +0300
++++ b/src/xstate/mod.rs	2026-10-10 02:55:59.699369500 +0300
+@@ -1189,7 +1189,9 @@
+             match ty {
+                 x if x == window_atoms.normal => return WindowRole::Toplevel,
+                 x if x == window_atoms.dialog => {
+-                    return WindowRole::new_basic(self.has_transient_for && motif_no_decor);
++                    return WindowRole::new_basic(
++                        self.has_transient_for && motif_no_decor && forced_size,
++                    );
+                 }
+                 x if x == window_atoms.utility => {
+                     return WindowRole::new_basic(motif_no_decor && forced_size);
+--- a/src/xstate/tests.rs	2026-10-10 02:55:59.665368927 +0300
++++ b/src/xstate/tests.rs	2026-10-10 02:56:08.382515889 +0300
+@@ -473,6 +473,33 @@
+         assert_eq!(win.guess_window_role(&win_types), WindowRole::Popup);
+     }
+ 
++    // https://github.com/Supreeeme/xwayland-satellite/issues/470
++    // A DIALOG with TRANSIENT_FOR and no Motif decorations which is resizable
++    // (min_size != max_size) should be a top-level, mirroring the UTILITY fix in #383.
++    // Otherwise the popup parent resolves to a hidden WM_CLIENT_LEADER and the
++    // window never appears (e.g. DaVinci Resolve's Project Manager).
++    // Window attributes are taken from the full xprop posted in #470 (DIALOG +
++    // NORMAL window types, _MOTIF_WM_HINTS decorations=0, resizable normal hints).
++    #[test]
++    fn davinci_resolve_project_manager() {
++        let win_types = WindowTypes::new();
++        let wm_normal_hints = WmNormalHints::new()
++            .user_pos(978, 270)
++            .user_size(1884, 1620)
++            .min_size(910, 640)
++            .max_size(2880, 1620)
++            .win_gravity(Gravity::Static);
++        let win = WindowRoleHeuristics {
++            has_transient_for: true,
++            motif_wm_hints: Some(motif::Hints::from([0x2_u32, 0x1, 0, 0, 0].as_slice())),
++            window_types: vec![win_types.dialog, win_types.normal],
++            wm_normal_hints: Some(wm_normal_hints.into()),
++            wm_class: Some("resolve".into()),
++            ..Default::default()
++        };
++        assert_eq!(win.guess_window_role(&win_types), WindowRole::Toplevel);
++    }
++
+     // https://github.com/Supreeeme/xwayland-satellite/pull/390
+     // With Motif decorations, even a dialog with TRANSIENT_FOR is better treated as a top-level
+     #[test]