Solve crash issues with Hyprland on Ubuntu 22 & 24

For the last couple of months I have not been able to start Hyprland due
to instant crash related to the graphics drivers or some form of
mismatch with OpenGL drivers. I managed to solve it by downgrading NixGL
and Hyprland to stable branch of nixpkgs (NixOS 24.11).

flake.nix

@@ -3,13 +3,14 @@
 
   inputs = {
     nixpkgs.url = "github:nixos/nixpkgs/nixpkgs-unstable";
+    nixpkgs-stable.url = "github:nixos/nixpkgs/nixos-24.11";
     home-manager = {
       url = "github:nix-community/home-manager";
       inputs.nixpkgs.follows = "nixpkgs";
     };
     nixGL = {
       url = "github:nix-community/nixGL";
-      inputs.nixpkgs.follows = "nixpkgs";
+      inputs.nixpkgs.follows = "nixpkgs-stable";
     };
     nix-index-database = {
       url = "github:nix-community/nix-index-database";
@@ -31,18 +32,28 @@
     hyprpanel,
     nix-index-database,
     nixGL,
+    nixpkgs-stable,
     nixpkgs,
     ...
-  }: {
+  }: let
+    system = "x86_64-linux";
+    pkgsConfig = {
+      allowUnfree = true;
+      allowUnfreePredicate = _: true;
+    };
+    pkgs = import nixpkgs {
+      inherit system;
+      config = pkgsConfig;
+    };
+    pkgs-stable = import nixpkgs-stable {
+      inherit system;
+      config = pkgsConfig;
+    };
+  in {
     homeConfigurations."antonfr" = home-manager.lib.homeManagerConfiguration {
-      pkgs = import nixpkgs {
-        system = "x86_64-linux";
-        config = {
-          allowUnfree = true;
-          allowUnfreePredicate = _: true;
-        };
-      };
+      inherit pkgs;
       extraSpecialArgs = {
+        inherit pkgs-stable;
         inherit nixGL;
         inherit firefox-addons;
         inherit hyprpanel;

modules/gui/hyprland.nix

@@ -1,5 +1,6 @@
 {
   pkgs,
+  pkgs-stable,
   config,
   hyprpanel,
   ...
@@ -8,7 +9,7 @@
 
   wayland.windowManager.hyprland = {
     enable = true;
-    package = config.lib.nixGL.wrap pkgs.hyprland;
+    package = config.lib.nixGL.wrap pkgs-stable.hyprland;
 
     systemd.enable = true;
     xwayland.enable = true;

modules/gui/nixgl.nix

@@ -6,6 +6,7 @@
   nixGL = {
     packages = nixGL.packages; # you must set this or everything will be a noop
     defaultWrapper = "mesa"; # choose from options
-    vulkan.enable = true;
+    installScripts = ["mesa"];
+    vulkan.enable = false;
   };
 }