finally vivaldi is fixed, had to delete the desktop item in .local/share/application and let it be repopuated

flake.lock

@@ -178,11 +178,11 @@
     "gpg-base-conf": {
       "flake": false,
       "locked": {
-        "lastModified": 1717992711,
-        "narHash": "sha256-UQtwNSoR9Rtk30QSmSBwpSuLyM907xMCF11kqv8D/0c=",
+        "lastModified": 1719781410,
+        "narHash": "sha256-cmtAG7UQX7mVNoHHpVIqasfkjnO7VtBMcz8MJ7frO0k=",
         "owner": "drduh",
         "repo": "config",
-        "rev": "89dd34af42b5a144ab241a553bb292439841707f",
+        "rev": "4eca229664d056737f1a097cdbdb10e5f247b0bc",
         "type": "github"
       },
       "original": {
@@ -198,11 +198,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1719180626,
-        "narHash": "sha256-vZAzm5KQpR6RGple1dzmSJw5kPivES2heCFM+ZWkt0I=",
+        "lastModified": 1720045378,
+        "narHash": "sha256-lmE7B+QXw7lWdBu5GQlUABSpzPk3YBb9VbV+IYK5djk=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "6b1f90a8ff92e81638ae6eb48cd62349c3e387bb",
+        "rev": "0a30138c694ab3b048ac300794c2eb599dc40266",
         "type": "github"
       },
       "original": {
@@ -256,11 +256,11 @@
     },
     "nixos-hardware": {
       "locked": {
-        "lastModified": 1719145664,
-        "narHash": "sha256-+0bBlerLxsHUJcKPDWZM1wL3V9bzCFjz+VyRTG8fnUA=",
+        "lastModified": 1719895800,
+        "narHash": "sha256-xNbjISJTFailxass4LmdWeV4jNhAlmJPwj46a/GxE6M=",
         "owner": "nixos",
         "repo": "nixos-hardware",
-        "rev": "c3e48cbd88414f583ff08804eb57b0da4c194f9e",
+        "rev": "6e253f12b1009053eff5344be5e835f604bb64cd",
         "type": "github"
       },
       "original": {
@@ -305,11 +305,11 @@
     },
     "nixpkgs-stable": {
       "locked": {
-        "lastModified": 1719099622,
-        "narHash": "sha256-YzJECAxFt+U5LPYf/pCwW/e1iUd2PF21WITHY9B/BAs=",
+        "lastModified": 1719663039,
+        "narHash": "sha256-tXlrgAQygNIy49LDVFuPXlWD2zTQV9/F8pfoqwwPJyo=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "5e8e3b89adbd0be63192f6e645e0a54080004924",
+        "rev": "4a1e673523344f6ccc84b37f4413ad74ea19a119",
         "type": "github"
       },
       "original": {
@@ -321,11 +321,11 @@
     },
     "nixpkgs_2": {
       "locked": {
-        "lastModified": 1719075281,
-        "narHash": "sha256-CyyxvOwFf12I91PBWz43iGT1kjsf5oi6ax7CrvaMyAo=",
+        "lastModified": 1720031269,
+        "narHash": "sha256-rwz8NJZV+387rnWpTYcXaRNvzUSnnF9aHONoJIYmiUQ=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "a71e967ef3694799d0c418c98332f7ff4cc5f6af",
+        "rev": "9f4128e00b0ae8ec65918efeba59db998750ead6",
         "type": "github"
       },
       "original": {
@@ -337,11 +337,11 @@
     },
     "nixpkgs_3": {
       "locked": {
-        "lastModified": 1718983919,
-        "narHash": "sha256-+1xgeIow4gJeiwo4ETvMRvWoircnvb0JOt7NS9kUhoM=",
+        "lastModified": 1719468428,
+        "narHash": "sha256-vN5xJAZ4UGREEglh3lfbbkIj+MPEYMuqewMn4atZFaQ=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "90338afd6177fc683a04d934199d693708c85a3b",
+        "rev": "1e3deb3d8a86a870d925760db1a5adecc64d329d",
         "type": "github"
       },
       "original": {
@@ -461,11 +461,11 @@
         "nixpkgs-stable": "nixpkgs-stable"
       },
       "locked": {
-        "lastModified": 1719111739,
-        "narHash": "sha256-kr2QzRrplzlCP87ddayCZQS+dhGW98kw2zy7+jUXtF4=",
+        "lastModified": 1719873517,
+        "narHash": "sha256-D1dxZmXf6M2h5lNE1m6orojuUawVPjogbGRsqSBX+1g=",
         "owner": "Mic92",
         "repo": "sops-nix",
-        "rev": "5e2e9421e9ed2b918be0a441c4535cfa45e04811",
+        "rev": "a11224af8d824935f363928074b4717ca2e280db",
         "type": "github"
       },
       "original": {
@@ -506,11 +506,11 @@
     },
     "unstable": {
       "locked": {
-        "lastModified": 1719075281,
-        "narHash": "sha256-CyyxvOwFf12I91PBWz43iGT1kjsf5oi6ax7CrvaMyAo=",
+        "lastModified": 1720031269,
+        "narHash": "sha256-rwz8NJZV+387rnWpTYcXaRNvzUSnnF9aHONoJIYmiUQ=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "a71e967ef3694799d0c418c98332f7ff4cc5f6af",
+        "rev": "9f4128e00b0ae8ec65918efeba59db998750ead6",
         "type": "github"
       },
       "original": {

modules/nixos/apps/vivaldi/default.nix

@@ -19,6 +19,9 @@ in
     environment.systemPackages = with pkgs; [
       vivaldi
       vivaldi-ffmpeg-codecs
+      qt5.qtwayland
     ];
+
+    # environment.sessionVariables.NIXOS_OZONE_WL = "1";
   };
 }

modules/nixos/graphical-interface/desktop-manager/kde/default.nix

@@ -15,7 +15,10 @@ in
   };
 
   config = mkIf cfg.enable {
-    environment.systemPackages = with pkgs; [ xdg-utils ];
+    environment.systemPackages = with pkgs; [
+      xdg-utils
+      kdePackages.qtbase
+    ];
 
     services = {
       xserver = enabled;

overlays/vivaldi/default.nix

@@ -1,5 +1,14 @@
 { channels, ... }:
 
 final: prev: {
-  vivaldi = prev.vivaldi.override { commandLineArgs = "--disable-features=AllowQt"; };
+  vivaldi = prev.vivaldi.overrideAttrs (oldAttrs: {
+    dontWrapQtApps = false;
+    nativeBuildInputs = oldAttrs.nativeBuildInputs ++ [ channels.unstable.kdePackages.wrapQtAppsHook ];
+    commandLineArgs = ''
+      -enable-features=UseOzonePlatform
+      --ozone-platform=wayland
+      --ozone-platform-hint=auto
+      --enable-features=WaylandWindowDecorations 
+    '';
+  });
 }

systems/x86_64-linux/yggdrasil/hardware.nix

@@ -4,12 +4,21 @@
 {
   config,
   lib,
-  pkgs,
   modulesPath,
+  inputs,
   ...
 }:
+let
+  inherit (inputs) nixos-hardware;
+in
 {
-  imports = [ (modulesPath + "/installer/scan/not-detected.nix") ];
+  imports = with nixos-hardware.nixosModules; [
+    (modulesPath + "/installer/scan/not-detected.nix")
+    common-cpu-amd
+    common-gpu-nvidia-nonprime
+    common-pc
+    common-pc-ssd
+  ];
 
   boot = {
     initrd.availableKernelModules = [