diff --git a/flake.lock b/flake.lock
index 52f5555..8eaa5e6 100644
--- a/flake.lock
+++ b/flake.lock
@@ -28,11 +28,11 @@
         "systems": "systems"
       },
       "locked": {
-        "lastModified": 1762618334,
-        "narHash": "sha256-wyT7Pl6tMFbFrs8Lk/TlEs81N6L+VSybPfiIgzU8lbQ=",
+        "lastModified": 1770165109,
+        "narHash": "sha256-9VnK6Oqai65puVJ4WYtCTvlJeXxMzAp/69HhQuTdl/I=",
         "owner": "ryantm",
         "repo": "agenix",
-        "rev": "fcdea223397448d35d9b31f798479227e80183f6",
+        "rev": "b027ee29d959fda4b60b57566d64c98a202e0feb",
         "type": "github"
       },
       "original": {
@@ -225,11 +225,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1766150702,
-        "narHash": "sha256-P0kM+5o+DKnB6raXgFEk3azw8Wqg5FL6wyl9jD+G5a4=",
+        "lastModified": 1769524058,
+        "narHash": "sha256-zygdD6X1PcVNR2PsyK4ptzrVEiAdbMqLos7utrMDEWE=",
         "owner": "nix-community",
         "repo": "disko",
-        "rev": "916506443ecd0d0b4a0f4cf9d40a3c22ce39b378",
+        "rev": "71a3fc97d80881e91710fe721f1158d3b96ae14d",
         "type": "github"
       },
       "original": {
@@ -504,11 +504,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1768603898,
-        "narHash": "sha256-vRV1dWJOCpCal3PRr86wE2WTOMfAhTu6G7bSvOsryUo=",
+        "lastModified": 1770260404,
+        "narHash": "sha256-3iVX1+7YUIt23hBx1WZsUllhbmP2EnXrV8tCRbLxHc8=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "2a63d0e9d2c72ac4d4150ebb242cf8d86f488c8c",
+        "rev": "0d782ee42c86b196acff08acfbf41bb7d13eed5b",
         "type": "github"
       },
       "original": {
@@ -565,11 +565,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1765267181,
-        "narHash": "sha256-d3NBA9zEtBu2JFMnTBqWj7Tmi7R5OikoU2ycrdhQEws=",
+        "lastModified": 1770315571,
+        "narHash": "sha256-hy0gcAgAcxrnSWKGuNO+Ob0x6jQ2xkR6hoaR0qJBHYs=",
         "owner": "Mic92",
         "repo": "nix-index-database",
-        "rev": "82befcf7dc77c909b0f2a09f5da910ec95c5b78f",
+        "rev": "2684bb8080a6f2ca5f9d494de5ef875bc1c4ecdb",
         "type": "github"
       },
       "original": {
@@ -618,13 +618,28 @@
         "type": "github"
       }
     },
-    "nixpkgs-unstable": {
+    "nixpkgs-mesa-26": {
       "locked": {
-        "lastModified": 1768564909,
-        "narHash": "sha256-Kell/SpJYVkHWMvnhqJz/8DqQg2b6PguxVWOuadbHCc=",
+        "lastModified": 1770837954,
+        "narHash": "sha256-B9rn+KSP/+lgM7j406sDIapS1IedxgACFdiRHzMTzVU=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "e4bae1bd10c9c57b2cf517953ab70060a828ee6f",
+        "rev": "157721757fca10d3f26d11ace9883f1f0b0bccef",
+        "type": "github"
+      },
+      "original": {
+        "id": "nixpkgs",
+        "rev": "157721757fca10d3f26d11ace9883f1f0b0bccef",
+        "type": "indirect"
+      }
+    },
+    "nixpkgs-unstable": {
+      "locked": {
+        "lastModified": 1770562336,
+        "narHash": "sha256-ub1gpAONMFsT/GU2hV6ZWJjur8rJ6kKxdm9IlCT0j84=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "d6c71932130818840fc8fe9509cf50be8c64634f",
         "type": "github"
       },
       "original": {
@@ -681,11 +696,11 @@
     },
     "nixpkgs_5": {
       "locked": {
-        "lastModified": 1768621446,
-        "narHash": "sha256-6YwHV1cjv6arXdF/PQc365h1j+Qje3Pydk501Rm4Q+4=",
+        "lastModified": 1770464364,
+        "narHash": "sha256-z5NJPSBwsLf/OfD8WTmh79tlSU8XgIbwmk6qB1/TFzY=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "72ac591e737060deab2b86d6952babd1f896d7c5",
+        "rev": "23d72dabcb3b12469f57b37170fcbc1789bd7457",
         "type": "github"
       },
       "original": {
@@ -696,11 +711,11 @@
     },
     "nixpkgs_6": {
       "locked": {
-        "lastModified": 1767364772,
-        "narHash": "sha256-fFUnEYMla8b7UKjijLnMe+oVFOz6HjijGGNS1l7dYaQ=",
+        "lastModified": 1770107345,
+        "narHash": "sha256-tbS0Ebx2PiA1FRW8mt8oejR0qMXmziJmPaU1d4kYY9g=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "16c7794d0a28b5a37904d55bcca36003b9109aaa",
+        "rev": "4533d9293756b63904b7238acb84ac8fe4c8c2c4",
         "type": "github"
       },
       "original": {
@@ -790,6 +805,7 @@
         "nix-index-database": "nix-index-database",
         "nixos-mailserver": "nixos-mailserver",
         "nixpkgs": "nixpkgs_5",
+        "nixpkgs-mesa-26": "nixpkgs-mesa-26",
         "nixpkgs-unstable": "nixpkgs-unstable",
         "plymouth-themes": "plymouth-themes",
         "ranger-icons": "ranger-icons",
@@ -854,11 +870,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1768481291,
-        "narHash": "sha256-NjKtkJraCZEnLHAJxLTI+BfdU//9coAz9p5TqveZwPU=",
+        "lastModified": 1770526836,
+        "narHash": "sha256-xbvX5Ik+0inJcLJtJ/AajAt7xCk6FOCrm5ogpwwvVDg=",
         "owner": "Mic92",
         "repo": "sops-nix",
-        "rev": "e085e303dfcce21adcb5fec535d65aacb066f101",
+        "rev": "d6e0e666048a5395d6ea4283143b7c9ac704720d",
         "type": "github"
       },
       "original": {
@@ -1014,11 +1030,11 @@
         "nixpkgs": "nixpkgs_6"
       },
       "locked": {
-        "lastModified": 1768158989,
-        "narHash": "sha256-67vyT1+xClLldnumAzCTBvU0jLZ1YBcf4vANRWP3+Ak=",
+        "lastModified": 1770228511,
+        "narHash": "sha256-wQ6NJSuFqAEmIg2VMnLdCnUc0b7vslUohqqGGD+Fyxk=",
         "owner": "numtide",
         "repo": "treefmt-nix",
-        "rev": "e96d59dff5c0d7fddb9d113ba108f03c3ef99eca",
+        "rev": "337a4fe074be1042a35086f15481d763b8ddc0e7",
         "type": "github"
       },
       "original": {
@@ -1029,11 +1045,11 @@
     },
     "vpsadminos": {
       "locked": {
-        "lastModified": 1767796149,
-        "narHash": "sha256-yGpWUuiHyCH18s8cYfLp8d98dqPy/BkAcw/KdtjclUs=",
+        "lastModified": 1770130846,
+        "narHash": "sha256-B9uMrG9ghVJWNBXOMmKMqfxErh58A2AINXsdqMpgyvc=",
         "owner": "vpsfreecz",
         "repo": "vpsadminos",
-        "rev": "861043cfdbc47d41618d4fe496f0208f7cb4ab5d",
+        "rev": "5e3a56de3af9244d2ebab808c24e5d590115534b",
         "type": "github"
       },
       "original": {
diff --git a/flake.nix b/flake.nix
index 250b02b..14c4636 100644
--- a/flake.nix
+++ b/flake.nix
@@ -4,6 +4,8 @@
     nixpkgs.url = "nixpkgs/nixos-25.11";
     nixpkgs-unstable.url = "nixpkgs/nixos-unstable";
 
+    nixpkgs-mesa-26.url = "nixpkgs/157721757fca10d3f26d11ace9883f1f0b0bccef";
+
     home-manager.url = "github:nix-community/home-manager/release-25.11";
     home-manager.inputs.nixpkgs.follows = "nixpkgs";
 
diff --git a/hosts/monolith/amdgpu.nix b/hosts/monolith/amdgpu.nix
index 3a9785b..df50d97 100644
--- a/hosts/monolith/amdgpu.nix
+++ b/hosts/monolith/amdgpu.nix
@@ -12,9 +12,12 @@
   #   };
   # };
 
+  hardware.graphics.package = pkgs.pkgs-mesa-26.mesa;
+
   hardware.graphics.enable32Bit = true;
 
   hardware.graphics.extraPackages = with pkgs; [
-    libva
+    # libva needs to match `hardware.graphics.package`
+    pkgs-mesa-26.libva
   ];
 }
diff --git a/hosts/stonehenge/default.nix b/hosts/stonehenge/default.nix
index 4f0ff32..c299dab 100644
--- a/hosts/stonehenge/default.nix
+++ b/hosts/stonehenge/default.nix
@@ -91,6 +91,8 @@
     extraGroups = [
       "networkmanager"
       "wheel"
+      "libvirtd"
+      "kvm"
     ];
     packages = with pkgs; [
       # kdePackages.kate
@@ -102,6 +104,8 @@
 
   virtualisation.virtualbox.host.enable = true;
 
+  virtualisation.libvirtd.enable = true;
+
   # Install firefox.
   programs.firefox.enable = true;
 
@@ -113,8 +117,11 @@
   environment.systemPackages = with pkgs; [
     #  vim # Do not forget to add an editor to edit configuration.nix! The Nano editor is also installed by default.
     #  wget
+    dnsmasq
   ];
 
+  networking.firewall.trustedInterfaces = [ "virbr0" ];
+
   # Some programs need SUID wrappers, can be configured further or are
   # started in user sessions.
   # programs.mtr.enable = true;
diff --git a/overlays/default.nix b/overlays/default.nix
index c2b01c9..6e00ae2 100644
--- a/overlays/default.nix
+++ b/overlays/default.nix
@@ -14,6 +14,7 @@ rec {
 
   unstable = final: prev: {
     unstable = import inputs.nixpkgs-unstable { inherit (final) system config; };
+    pkgs-mesa-26 = import inputs.nixpkgs-mesa-26 { inherit (final) system config; };
   };
 
   themes = (
diff --git a/user/mangohud.nix b/user/mangohud.nix
index 7caba3c..415cb1d 100644
--- a/user/mangohud.nix
+++ b/user/mangohud.nix
@@ -10,9 +10,13 @@ let
   settings = {
     # Display
     no_display = true; # Hidden by default
-    toggle_hud = "Shift_R+F12";
     font_size = "20";
 
+    toggle_preset = "Control_R+F9";
+    toggle_fps_limit = "Shift_R+F10";
+    toggle_hud_position = "Shift_R+F11";
+    toggle_hud = "Shift_R+F12";
+
     # GPU
     pci_dev = "0:03:00.0";
     gpu_text = "RX 7800 XT";