diff --git a/.github/workflows/build-machines-and-homes.yml b/.github/workflows/build-machines-and-homes.yml
index 43ea5bf..1900b0e 100644
--- a/.github/workflows/build-machines-and-homes.yml
+++ b/.github/workflows/build-machines-and-homes.yml
@@ -3,7 +3,6 @@ on:
   workflow_dispatch:
   push:
   pull_request:
-
 env:
   ATTIC_TOKEN: ${{ secrets.ATTIC_TOKEN }}
   NIX_CONFIG: |
@@ -14,7 +13,6 @@ env:
     accept-flake-config = true
     system-features = nixos-test benchmark big-parallel kvm
   TERM: ansi
-
 jobs:
   build-machines:
     strategy:
@@ -38,20 +36,16 @@ jobs:
           remove-codeql: 'true'
           remove-docker-images: 'true'
           build-mount-path: /nix
-
       - name: Install Nix
         uses: cachix/install-nix-action@v30
-
       - name: Sync repository
         uses: actions/checkout@v4
         with:
           persist-credentials: false
-
       - name: setup attic
         run: |
           nix profile install github:zhaofengli/attic
           attic login cy7 https://cache.cy7.sh "$ATTIC_TOKEN"
-          
       - name: build
         run: |
           package=".#nixosConfigurations."${{ matrix.machine }}".config.system.build.toplevel"
diff --git a/flake.lock b/flake.lock
index a6ee1bb..ddda4b4 100644
--- a/flake.lock
+++ b/flake.lock
@@ -945,6 +945,22 @@
         "type": "github"
       }
     },
+    "pixelflasher": {
+      "locked": {
+        "lastModified": 1741302870,
+        "narHash": "sha256-7AywZ1b3PaqolAZ0vQmddD6Br4o0a7ucdtE0/W3rnaM=",
+        "owner": "cything",
+        "repo": "nixpkgs",
+        "rev": "5ef8b274bb7f939104295a22cec3382268ed73cc",
+        "type": "github"
+      },
+      "original": {
+        "owner": "cything",
+        "ref": "pixelflasher",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
     "pre-commit-hooks-nix": {
       "inputs": {
         "flake-compat": [
@@ -1008,6 +1024,7 @@
         "nixpkgs-stable": "nixpkgs-stable_2",
         "nixvim": "nixvim",
         "nvim-github-theme": "nvim-github-theme",
+        "pixelflasher": "pixelflasher",
         "rust-overlay": "rust-overlay",
         "sops-nix": "sops-nix",
         "treefmt": "treefmt",
diff --git a/flake.nix b/flake.nix
index b5fccc8..54a1b90 100644
--- a/flake.nix
+++ b/flake.nix
@@ -71,6 +71,7 @@
       url = "github:nix-community/nix-index-database";
       inputs.nixpkgs.follows = "nixpkgs";
     };
+    pixelflasher.url = "github:cything/nixpkgs/pixelflasher";
     attic = {
       url = "github:zhaofengli/attic";
       inputs = {
@@ -133,6 +134,7 @@
         imports = [
           inputs.treefmt.flakeModule
         ];
+        debug = true;
         systems = [
           "x86_64-linux"
         ];
@@ -145,14 +147,11 @@
             treefmt = {
               projectRootFile = "flake.nix";
               programs.nixfmt.enable = true;
+              programs.stylua.enable = true;
+              programs.yamlfmt.enable = true;
               programs.typos.enable = true;
               programs.shellcheck.enable = true;
 
-              programs.yamlfmt = {
-                enable = true;
-                settings.retain_line_breaks = true;
-              };
-
               settings.global.excludes = [
                 "secrets/*"
                 "**/*.png" # tries to format a png file
diff --git a/home/codium.nix b/home/codium.nix
index 00724b6..28c3a6e 100644
--- a/home/codium.nix
+++ b/home/codium.nix
@@ -1,4 +1,4 @@
-{ pkgs, lib, ... }:
+{ pkgs, ... }:
 {
   programs.vscode = {
     enable = true;
@@ -23,12 +23,10 @@
           tamasfe.even-better-toml
           golang.go
           ms-python.python
-          christian-kohler.path-intellisense
         ];
       userSettings =
         let
           vimCommonKeyBindings = [
-            # nice emacs bindings
             {
               "before" = [ "C-a" ];
               "commands" = [ "cursorHome" ];
@@ -37,19 +35,6 @@
               "before" = [ "C-e" ];
               "commands" = [ "cursorEnd" ];
             }
-            {
-              "before" = [ "C-b" ];
-              "commands" = [ "cursorLeft" ];
-            }
-            {
-              "before" = [ "C-f" ];
-              "commands" = [ "cursorRight" ];
-            }
-            # ctrl+h to turn off search highlighting
-            {
-              "before" = [ "C-h" ];
-              "commands" = [ ":nohl" ];
-            }
           ];
         in
         {
@@ -89,7 +74,7 @@
 
           "markdown-preview-enhanced.previewTheme" = "github-dark.css";
           "nix.enableLanguageServer" = true;
-          "nix.serverPath" = "${lib.getExe pkgs.nil}";
+          "nix.serverPath" = "nil";
           "bookmarks.saveBookmarksInProject" = true;
 
           "cSpell.enabledFileTypes" = {
@@ -99,15 +84,6 @@
 
           # vim stuff
           "vim.leader" = ",";
-          "extensions.experimental.affinity" = {
-            "vscodevim.vim" = 1;
-          };
-          "vim.sneak" = true;
-          "vim.sneakUseIgnorecaseAndSmartcase" = true;
-          "vim.enableNeovim" = true;
-          "vim.hlsearch" = true;
-          "vim.easymotion" = true;
-	        "editor.lineNumbers" = "relative";
           "vim.normalModeKeyBindings" = vimCommonKeyBindings ++ [
             {
               "before" = [ ";" ];
@@ -142,13 +118,6 @@
               ];
               "commands" = [ "workbench.action.toggleSidebarVisibility" ];
             }
-            {
-              "before" = [
-                "<space>"
-                "s"
-              ];
-              "commands" = [ "workbench.action.toggleSidebarVisibility" ];
-            }
             {
               "before" = [
                 "<leader>"
@@ -222,33 +191,10 @@
               "commands" = [ "editor.action.outdentLines" ];
             }
           ];
+          "extensions.experimental.affinity" = {
+            "vscodevim.vim" = 1;
+          };
         };
-        keybindings = [
-          # repeat these vim bindings here cause otherwise they get overridden by vscode
-          {
-            "key" = "ctrl+b";
-            "when" = "inputFocus";
-            "command" = "cursorLeft";
-          }
-          {
-            "key" = "ctrl+f";
-            "when" = "inputFocus";
-            "command" = "cursorRight";
-          }
-          # clear default bindings that conflict
-          {
-            "key" = "ctrl+f";
-            "command" = "-actions.find";
-          }
-          {
-            "key" = "ctrl+b";
-            "command" = "-workbench.action.toggleSidebarVisibility";
-          }
-          {
-            "key" = "ctrl+w";
-            "command" = "-workbench.action.closeActiveEditor";
-          }
-        ];
     };
   };
 }
diff --git a/home/yt/ytnix.nix b/home/yt/ytnix.nix
index 4e431b2..6ce06ec 100644
--- a/home/yt/ytnix.nix
+++ b/home/yt/ytnix.nix
@@ -76,6 +76,7 @@
       ))
       p7zip
       qbittorrent
+      nil
       android-tools
       frida-tools
       mitmproxy
diff --git a/overlay/attic/prefetch-8-chunks.patch b/overlay/attic/prefetch-8-chunks.patch
index 3d6134f..eafc514 100644
--- a/overlay/attic/prefetch-8-chunks.patch
+++ b/overlay/attic/prefetch-8-chunks.patch
@@ -11,4 +11,13 @@ index 02e4857..b522154 100644
              Download::Url(url) => Ok(Redirect::temporary(&url).into_response()),
              Download::AsyncRead(stream) => {
                  let stream = ReaderStream::new(stream).map_err(|e| {
+@@ -262,7 +262,7 @@ async fn get_nar(
+ 
+         // TODO: Make num_prefetch configurable
+         // The ideal size depends on the average chunk size
+-        let merged = merge_chunks(chunks, streamer, storage, 2).map_err(|e| {
++        let merged = merge_chunks(chunks, streamer, storage, 8).map_err(|e| {
+             tracing::error!(%e, "Stream error");
+             e
+         });
 
diff --git a/overlay/default.nix b/overlay/default.nix
index 71bee1e..d8780e2 100644
--- a/overlay/default.nix
+++ b/overlay/default.nix
@@ -16,6 +16,7 @@ in
     in
     {
       conduwuit = pkgFrom inputs.conduwuit "default";
+      pixelflasher = nixpkgsFrom inputs.pixelflasher "pixelflasher";
       attic-server = pkgFrom inputs.attic "attic-server";
       attic = pkgFrom inputs.attic "attic";
       garage = (