diff --git a/pkgs/development/libraries/gtk/4.x.nix b/pkgs/development/libraries/gtk/4.x.nix
index 5c4bc0430d84..d23eef0201fc 100644
--- a/pkgs/development/libraries/gtk/4.x.nix
+++ b/pkgs/development/libraries/gtk/4.x.nix
@@ -62,7 +62,7 @@ in
 
 stdenv.mkDerivation rec {
   pname = "gtk4";
-  version = "4.8.0";
+  version = "4.8.1";
 
   outputs = [ "out" "dev" ] ++ lib.optionals x11Support [ "devdoc" ];
   outputBin = "dev";
@@ -74,7 +74,7 @@ stdenv.mkDerivation rec {
 
   src = fetchurl {
     url = "mirror://gnome/sources/gtk/${lib.versions.majorMinor version}/gtk-${version}.tar.xz";
-    sha256 = "yNYgNDfR41nYMSTcWRVG1AP2fjsAVE5T3VCpuqzcvX8=";
+    sha256 = "XOjY3piiO9DI7KGmEJThwAm18AncvWC0XpkKjbG3Qv0=";
   };
 
   nativeBuildInputs = [
diff --git a/pkgs/development/libraries/gtkmm/4.x.nix b/pkgs/development/libraries/gtkmm/4.x.nix
index 29fa404ba119..b12ff45a3a19 100644
--- a/pkgs/development/libraries/gtkmm/4.x.nix
+++ b/pkgs/development/libraries/gtkmm/4.x.nix
@@ -17,13 +17,13 @@
 
 stdenv.mkDerivation rec {
   pname = "gtkmm";
-  version = "4.6.1";
+  version = "4.8.0";
 
   outputs = [ "out" "dev" ];
 
   src = fetchurl {
     url = "mirror://gnome/sources/${pname}/${lib.versions.majorMinor version}/${pname}-${version}.tar.xz";
-    sha256 = "DV7+yp7GT91TC7gibGMQrJlUmz3ZYE1uNnY5eRrz0eA=";
+    sha256 = "yCeG1G4rBzRrY5fKfxkp2VL0ki+lyds97ghJi5oTbPU=";
   };
 
   nativeBuildInputs = [
diff --git a/pkgs/development/libraries/libadwaita/default.nix b/pkgs/development/libraries/libadwaita/default.nix
index a9185f0b4fec..0d9678e038d0 100644
--- a/pkgs/development/libraries/libadwaita/default.nix
+++ b/pkgs/development/libraries/libadwaita/default.nix
@@ -20,7 +20,7 @@
 
 stdenv.mkDerivation rec {
   pname = "libadwaita";
-  version = "1.1.4";
+  version = "1.2.0";
 
   outputs = [ "out" "dev" "devdoc" ];
   outputBin = "devdoc"; # demo app
@@ -30,7 +30,7 @@ stdenv.mkDerivation rec {
     owner = "GNOME";
     repo = "libadwaita";
     rev = version;
-    hash = "sha256-xxnLgPKPOND/ITvDC6SOD2GlkzlIX3BzBbt6p2AEjgY=";
+    hash = "sha256-3lH7Vi9M8k+GSrCpvruRpLrIpMoOakKbcJlaAc/FK+U=";
   };
 
   nativeBuildInputs = [
diff --git a/pkgs/development/libraries/libpanel/default.nix b/pkgs/development/libraries/libpanel/default.nix
new file mode 100644
index 000000000000..85f7fb23b7bf
--- /dev/null
+++ b/pkgs/development/libraries/libpanel/default.nix
@@ -0,0 +1,65 @@
+{ stdenv
+, lib
+, fetchurl
+, meson
+, ninja
+, pkg-config
+, gobject-introspection
+, vala
+, gi-docgen
+, glib
+, gtk4
+, libadwaita
+, gnome
+}:
+
+stdenv.mkDerivation rec {
+  pname = "libpanel";
+  version = "1.0.1";
+
+  outputs = [ "out" "dev" "devdoc" ];
+  outputBin = "dev";
+
+  src = fetchurl {
+    url = "mirror://gnome/sources/libpanel/${lib.versions.majorMinor version}/${pname}-${version}.tar.xz";
+    sha256 = "hBtqtx6wcv1lIAI+H3Gqx/8lDGbq37sXyVXaa/QeIwY=";
+  };
+
+  nativeBuildInputs = [
+    meson
+    ninja
+    pkg-config
+    gobject-introspection
+    vala
+    gi-docgen
+  ];
+
+  buildInputs = [
+    glib
+    gtk4
+    libadwaita
+  ];
+
+  mesonFlags = [
+    "-Dinstall-examples=true"
+  ];
+
+  postFixup = ''
+    # Cannot be in postInstall, otherwise _multioutDocs hook in preFixup will move right back.
+    moveToOutput "share/doc" "$devdoc"
+  '';
+
+  passthru = {
+    updateScript = gnome.updateScript {
+      packageName = pname;
+    };
+  };
+
+  meta = with lib; {
+    description = "Dock/panel library for GTK 4";
+    homepage = "https://gitlab.gnome.org/GNOME/libpanel";
+    license = licenses.lgpl21Plus;
+    maintainers = teams.gnome.members;
+    platforms = platforms.unix;
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 670af1827a5b..3bf6034c0a93 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -20275,6 +20275,8 @@ with pkgs;
 
   libpam-wrapper = callPackage ../development/libraries/libpam-wrapper { };
 
+  libpanel = callPackage ../development/libraries/libpanel { };
+
   libpar2 = callPackage ../development/libraries/libpar2 { };
 
   libpcap = callPackage ../development/libraries/libpcap { };
@@ -28198,16 +28200,6 @@ with pkgs;
 
   fractal-next = callPackage ../applications/networking/instant-messengers/fractal-next {
     inherit (gst_all_1) gstreamer gst-plugins-base gst-plugins-bad;
-    libadwaita = libadwaita.overrideAttrs (finalAtts: rec {
-      version = "1.2.0";
-      src = fetchFromGitLab {
-        domain = "gitlab.gnome.org";
-        owner = "GNOME";
-        repo = "libadwaita";
-        rev = version;
-        hash = "sha256-3lH7Vi9M8k+GSrCpvruRpLrIpMoOakKbcJlaAc/FK+U=";
-      };
-    });
   };
 
   fragments = callPackage ../applications/networking/p2p/fragments { };