diff --git a/flake.lock b/flake.lock
index d309fdb..8b8bad5 100644
--- a/flake.lock
+++ b/flake.lock
@@ -33,11 +33,11 @@
     },
     "hardware": {
       "locked": {
-        "lastModified": 1639240632,
-        "narHash": "sha256-BAXhgnPOW1COIfZ9EOOFTdolalYS73MFHSRajgrSdZw=",
+        "lastModified": 1639986101,
+        "narHash": "sha256-Ow0+pkY7qMw6lMAvR1mEdUT9svJnrkbaRoqp4bkMTpg=",
         "owner": "NixOS",
         "repo": "nixos-hardware",
-        "rev": "2a7063461c3751d83869a2a0a8ebc59e34bec5b2",
+        "rev": "3f92db38374b2977aea8daf4c4fe2fa0eddbd60c",
         "type": "github"
       },
       "original": {
@@ -89,11 +89,11 @@
       },
       "locked": {
         "dir": "contrib",
-        "lastModified": 1639886342,
-        "narHash": "sha256-OkI09enAc4ID1zrxLkHR5b+WgUL2r2C9BIG4+gwVDFU=",
+        "lastModified": 1639947653,
+        "narHash": "sha256-odG+fhjB0OavINI9ELUPhBHUmKQ+lqlSkcmHdgFbhTY=",
         "owner": "neovim",
         "repo": "neovim",
-        "rev": "abdf3a8128b78fb98ee944bc5d3086c680d779ed",
+        "rev": "67bb01ae27db3cbba9e2e908c4e6612040f650aa",
         "type": "github"
       },
       "original": {
@@ -110,11 +110,11 @@
         "nixpkgs": "nixpkgs_2"
       },
       "locked": {
-        "lastModified": 1639901638,
-        "narHash": "sha256-ZMP2xjjo3tHlWfgCd3Odn6qKNpNbvbawjcVpww54A1U=",
+        "lastModified": 1639988082,
+        "narHash": "sha256-9YPZgGP/C9AKLxSYmw9R8tn64bZ0WM2OYIui+2PLwPw=",
         "owner": "nix-community",
         "repo": "neovim-nightly-overlay",
-        "rev": "8f7a0bbc9080f55c000344658a071994aa9c6b4b",
+        "rev": "116189ff27ac056faa8ec3f7ecc6dc3f6f565b67",
         "type": "github"
       },
       "original": {
@@ -125,11 +125,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1639699734,
-        "narHash": "sha256-tlX6WebGmiHb2Hmniff+ltYp+7dRfdsBxw9YczLsP60=",
+        "lastModified": 1639876010,
+        "narHash": "sha256-naGsoUfsY92NaIGiFI8XFXBnesw8BQGe694xcfaLMDI=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "03ec468b14067729a285c2c7cfa7b9434a04816c",
+        "rev": "395879c28386e1abf20c7ecacd45880759548391",
         "type": "github"
       },
       "original": {
@@ -141,11 +141,11 @@
     },
     "nixpkgs_2": {
       "locked": {
-        "lastModified": 1639699734,
-        "narHash": "sha256-tlX6WebGmiHb2Hmniff+ltYp+7dRfdsBxw9YczLsP60=",
+        "lastModified": 1639876010,
+        "narHash": "sha256-naGsoUfsY92NaIGiFI8XFXBnesw8BQGe694xcfaLMDI=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "03ec468b14067729a285c2c7cfa7b9434a04816c",
+        "rev": "395879c28386e1abf20c7ecacd45880759548391",
         "type": "github"
       },
       "original": {
@@ -173,11 +173,11 @@
     },
     "nur": {
       "locked": {
-        "lastModified": 1639920980,
-        "narHash": "sha256-icSJWsr5M1oMxsCm4adeMD9C4arv2usSlb7tNodO/Q8=",
+        "lastModified": 1639990555,
+        "narHash": "sha256-O8BvwcDT+htaYP4ujsNjx+hX5mxPwtfNJii5OYLOoHY=",
         "owner": "nix-community",
         "repo": "NUR",
-        "rev": "6b26266ec67c021bf3e9b6bb3e4ca0cdb5b1543c",
+        "rev": "7dd4caa60877e32dcdb5f24cf212133c98e7f163",
         "type": "github"
       },
       "original": {
@@ -192,7 +192,24 @@
         "homepage": "homepage",
         "neovim-nightly-overlay": "neovim-nightly-overlay",
         "nixpkgs": "nixpkgs_3",
-        "nur": "nur"
+        "nur": "nur",
+        "unstable": "unstable"
+      }
+    },
+    "unstable": {
+      "locked": {
+        "lastModified": 1639876010,
+        "narHash": "sha256-naGsoUfsY92NaIGiFI8XFXBnesw8BQGe694xcfaLMDI=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "395879c28386e1abf20c7ecacd45880759548391",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
       }
     }
   },
diff --git a/flake.nix b/flake.nix
index 2d318c1..b7e6d32 100644
--- a/flake.nix
+++ b/flake.nix
@@ -19,13 +19,17 @@
     hardware = {
       url = "github:NixOS/nixos-hardware";
     };
+
+    unstable = {
+      url = "github:NixOS/nixpkgs/nixos-unstable";
+    };
       
   };
 
-  outputs = { self, home-manager, nixpkgs, neovim-nightly-overlay, nur, ... }@inputs:
+  outputs = { self, home-manager, nixpkgs, unstable, neovim-nightly-overlay, nur, ... }@inputs:
     let
-      utils = import ./utils.nix { inherit nixpkgs home-manager inputs; };
-      pkgs = import nixpkgs { };
+      utils = import ./utils.nix { inherit nixpkgs home-manager inputs; nixpkgs-unstable = unstable; };
+      #pkgs = import nixpkgs { };
     in
     with utils;
     {
diff --git a/home-manager-modules/i3/config b/home-manager-modules/i3/config
index eb8b39d..d5358da 100644
--- a/home-manager-modules/i3/config
+++ b/home-manager-modules/i3/config
@@ -95,7 +95,7 @@ bindsym $mod+q kill
 
 # start rofi
 
-bindsym $mod+space exec ~/.config/rofi/bin/launcher_text
+bindsym $mod+space exec rofi -show run
 
 
 # change focus
diff --git a/machines/macintosh.nix b/machines/macintosh.nix
index bbc9311..75f241a 100644
--- a/machines/macintosh.nix
+++ b/machines/macintosh.nix
@@ -1,14 +1,46 @@
-{ config, pkgs, lib, modulesPath, inputs,  ... }:
+{ config, pkgs, lib, modulesPath, inputs, ... }:
 
 {
 
   imports =
-    [ (modulesPath + "/installer/scan/not-detected.nix")
-    (import "${inputs.hardware}/lenovo/thinkpad/p14s/amd/gen2")
+    [
+      (modulesPath + "/installer/scan/not-detected.nix")
+      #    (import "${inputs.hardware}/lenovo/thinkpad/p14s/amd/gen2")
     ];
 
 
-  
+  boot.initrd.kernelModules = [ "amdgpu" ];
+
+  hardware.opengl.extraPackages = with pkgs; [
+    rocm-opencl-icd
+    rocm-opencl-runtime
+    amdvlk
+  ];
+
+  hardware.opengl = {
+    driSupport = lib.mkDefault true;
+    driSupport32Bit = lib.mkDefault true;
+  };
+
+
+  hardware.cpu.amd.updateMicrocode = lib.mkDefault config.hardware.enableAllFirmware;
+
+  boot.kernelParams = [ "acpi_backlight=native" ];
+
+  boot.kernelPackages = pkgs.linuxPackages_latest;
+
+  boot = {
+    kernelModules = [ "acpi_call" "kvm-amd" "amdgpu" ];
+    extraModulePackages = with config.boot.kernelPackages; [ acpi_call ];
+  };
+
+
+
+
+
+
+
+
 
   boot.loader.systemd-boot.enable = true;
   boot.loader.efi.canTouchEfiVariables = true;
@@ -19,15 +51,15 @@
   hardware.pulseaudio.support32Bit = true;
   networking.hostName = "macintosh"; # Define your hostname.
   networking.networkmanager.enable = true;
-  
+
   time.timeZone = "Europe/Paris";
 
   networking.useDHCP = false;
   networking.interfaces.enp2s0f0.useDHCP = true;
   networking.interfaces.enp5s0.useDHCP = true;
   networking.interfaces.wlp3s0.useDHCP = true;
-  
-programs.steam.enable = true;
+
+  programs.steam.enable = true;
   i18n.defaultLocale = "en_US.UTF-8";
   console = {
     font = "Lat2-Terminus16";
@@ -35,129 +67,129 @@ programs.steam.enable = true;
   };
 
 
-nixpkgs.config.allowUnfree = true;
+  nixpkgs.config.allowUnfree = true;
 
-hardware.trackpoint = {
-enable = true;
-speed = 80;
-sensitivity = 220;
-emulateWheel = true;
-device = "TPPS/2 Elan TrackPoint";
-};
+  hardware.trackpoint = {
+    enable = true;
+    speed = 80;
+    sensitivity = 220;
+    emulateWheel = true;
+    device = "TPPS/2 Elan TrackPoint";
+  };
 
 
 
-programs.gnupg.agent.enable = true;
+  programs.gnupg.agent.enable = true;
 
 
-services = {
+  services = {
 
-tlp.enable = true;
+    tlp.enable = true;
 
-xserver = {
+    xserver = {
+      videoDrivers = [ "amdgpu" ];
       enable = true;
       layout = "fr";
       libinput.enable = false;
       libinput.touchpad.tapping = false;
-      displayManager.lightdm.enable = true;
+      displayManager.sddm.enable = true;
       desktopManager.xterm.enable = true;
-    };   
+    };
+
+  };
 
-};
- 
 
   environment.systemPackages = with pkgs; [
-     wget 
-     firefox
-     git
+    wget
+    git
     rxvt_unicode
-    xorg.xbacklight  
-];
-environment.variables.EDITOR = "urxvt";
+    xorg.xbacklight
+  ];
+  environment.variables.EDITOR = "urxvt";
 
-programs.dconf.enable = true;
+  programs.dconf.enable = true;
 
 
   networking.firewall.enable = false;
 
   system.stateVersion = "21.11"; # Did you read the comment?
   boot.initrd.availableKernelModules = [ "nvme" "ehci_pci" "xhci_pci" "sdhci_pci" ];
-  boot.initrd.kernelModules = [ ];
-  boot.kernelModules = [ "kvm-amd" "amdgpu"];
-  boot.extraModulePackages = [ ];
 
   fileSystems."/" =
-    { device = "/dev/disk/by-uuid/3e01f61b-c580-4078-94be-192f7aed5c5a";
+    {
+      device = "/dev/disk/by-uuid/3e01f61b-c580-4078-94be-192f7aed5c5a";
       fsType = "ext4";
     };
 
   fileSystems."/boot" =
-    { device = "/dev/disk/by-uuid/2799-DF20";
+    {
+      device = "/dev/disk/by-uuid/2799-DF20";
       fsType = "vfat";
     };
 
   swapDevices =
-    [ { device = "/dev/disk/by-uuid/44dadc95-a61e-40db-93d7-ada237f1e53b"; }
+    [{ device = "/dev/disk/by-uuid/44dadc95-a61e-40db-93d7-ada237f1e53b"; }];
+
+
+
+  # HOME
+
+  luj.hmgr.julien = {
+    luj.programs.neovim.enable = true;
+    luj.i3.enable = true;
+    luj.polybar.enable = true;
+    home.packages = with pkgs; [
+      unstable.rofi
+      unstable.firefox
+      feh
+      meld
+      vlc
+      nerdfonts
+      font-awesome
+      python3
+      texlive.combined.scheme-full
+      nodejs
+      fira-code
+      neomutt
+      htop
+      evince
+      mosh
+      signal-desktop
+      flameshot
+      ctags
+      ungoogled-chromium
     ];
 
 
-
-# HOME
-
-luj.hmgr.julien = {
-  luj.programs.neovim.enable = true;
-  luj.i3.enable = true;
-  luj.polybar.enable = true;
-  home.packages  = with pkgs; [
-    feh
-    meld
-    vlc
-    nerdfonts
-    font-awesome
-    python3
-    texlive.combined.scheme-full
-    nodejs
-    fira-code
-    neomutt
-    htop
-    evince
-    mosh
-    signal-desktop
-    flameshot
-    ctags
-    ungoogled-chromium
-  ];
-
-
-home.keyboard = {
-    layout = "fr";
-};
-
-
-
-  gtk = {
-    enable = true;
-    theme = {
-      name = "Nordic";
-      package = pkgs.nordic;
+    home.keyboard = {
+      layout = "fr";
     };
+
+
+
+    gtk = {
+      enable = true;
+      theme = {
+        name = "Nordic";
+        package = pkgs.nordic;
+      };
+    };
+    qt = {
+      enable = true;
+      platformTheme = "gtk";
+    };
+
+
+    fonts.fontconfig.enable = true;
+
+    xsession.enable = true;
+
+
+    home.stateVersion = "21.11";
+
+
+
   };
-  qt = {
-    enable = true;
-    platformTheme = "gtk";
-  };
-
-
-fonts.fontconfig.enable = true;
-
-xsession.enable = true;
-programs.rofi.enable = true;
-
-home.stateVersion = "21.11";
-
-
-
-};
 
 
 
diff --git a/utils.nix b/utils.nix
index b65fb64..cddda33 100644
--- a/utils.nix
+++ b/utils.nix
@@ -1,8 +1,11 @@
-{ nixpkgs, home-manager, inputs }:
+{ nixpkgs, home-manager, nixpkgs-unstable, inputs }:
 with builtins;
 
 let mapAttrNames = f: set:
   listToAttrs (map (attr: { name = f attr; value = set.${attr}; }) (attrNames set));
+  overlay-unstable = final: prev: {
+    unstable = nixpkgs-unstable.legacyPackages.x86_64-linux;
+  };
 in
 {
 
@@ -19,6 +22,7 @@ in
         home-manager.useUserPackages = true;
         nixpkgs.overlays = [
           inputs.neovim-nightly-overlay.overlay
+          overlay-unstable
           (final: prev:
             {
               mosh = prev.mosh.overrideAttrs (old: {