diff --git a/nix/configurations/hetzner_benchmark.nix b/nix/configurations/hetzner_benchmark.nix
index f14a3cf9..2fddb026 100644
--- a/nix/configurations/hetzner_benchmark.nix
+++ b/nix/configurations/hetzner_benchmark.nix
@@ -47,7 +47,14 @@ in
 
       nix.package = pkgs.nix-monitored;
 
-      system.nixos.version = lib.substring 0 8 sources.nixpkgs.revision;
+      system.nixos =
+        let
+          rev = lib.substring 0 8 sources.nixpkgs.revision;
+        in
+        {
+          versionSuffix = "-git:${rev}";
+          revision = rev;
+        };
     }
 
     ./hetzner_benchmark/nixos/hardware-configuration.nix
diff --git a/nix/configurations/hydrogen.nix b/nix/configurations/hydrogen.nix
index f26705ea..c751ef0a 100644
--- a/nix/configurations/hydrogen.nix
+++ b/nix/configurations/hydrogen.nix
@@ -53,7 +53,14 @@ in
 
       nix.package = pkgs.nix-monitored;
 
-      system.nixos.version = lib.substring 0 8 sources.nixpkgs.revision;
+      system.nixos =
+        let
+          rev = lib.substring 0 8 sources.nixpkgs.revision;
+        in
+        {
+          versionSuffix = "-git:${rev}";
+          revision = rev;
+        };
     }
 
     ./hydrogen/nixos/misc.nix
diff --git a/nix/configurations/installer.nix b/nix/configurations/installer.nix
index e77b99ad..972409e9 100644
--- a/nix/configurations/installer.nix
+++ b/nix/configurations/installer.nix
@@ -4,6 +4,9 @@
 # figured out an elegant (enough) way to do it while keeping my secrets
 # encrypted.
 #
+let
+  sources = import ../../npins;
+in
 {
   pkgs,
   lib,
@@ -41,6 +44,15 @@
     ];
   };
 
+  system.nixos =
+    let
+      rev = lib.substring 0 8 sources.nixpkgs.revision;
+    in
+    {
+      versionSuffix = "-git:${rev}";
+      revision = rev;
+    };
+
   isoImage.squashfsCompression = "zstd -Xcompression-level 3";
 
   environment.systemPackages = [
diff --git a/nix/configurations/vanadium.nix b/nix/configurations/vanadium.nix
index 019b2f4f..2fba0b2a 100644
--- a/nix/configurations/vanadium.nix
+++ b/nix/configurations/vanadium.nix
@@ -78,7 +78,14 @@ in
 
       nix.package = pkgs.nix-monitored;
 
-      system.nixos.version = lib.substring 0 8 sources.nixpkgs.revision;
+      system.nixos =
+        let
+          rev = lib.substring 0 8 sources.nixpkgs.revision;
+        in
+        {
+          versionSuffix = "-git:${rev}";
+          revision = rev;
+        };
     }
 
     #
diff --git a/nix/configurations/vanadium/home/xmonad/xmonad.hs b/nix/configurations/vanadium/home/xmonad/xmonad.hs
index 73d13b92..bd224647 100644
--- a/nix/configurations/vanadium/home/xmonad/xmonad.hs
+++ b/nix/configurations/vanadium/home/xmonad/xmonad.hs
@@ -26,7 +26,6 @@ import XMonad.Util.NamedScratchpad
 import XMonad.Util.SpawnOnce
 import XMonad.Layout.Magnifier
 
-import Data.Function
 import Data.Char.Greek
 import Data.Ratio
 import Data.Semigroup
@@ -357,35 +356,17 @@ fullFloat        = W.RationalRect     0     0     1     1
 buttomRightFloat = W.RationalRect (1%2) (1%2) (1%2) (1%2)
 
 xmobarConfig :: StatusBarConfig
-xmobarConfig = statusBarProp "xmobar -x 0" myPrettyPrinter
+xmobarConfig = statusBarProp "xmobar -x 0" (pure myPrettyPrinter)
   where
-    mkPpCurrent :: X (String -> String)
-    mkPpCurrent = do
-      windowCount <- gets $ length . W.integrate' . W.stack . W.workspace . W.current . windowset
-      pure $ \wid ->
-        wid <> (if windowCount > 1 then ":" <> show windowCount else mempty)
-        & xmobarColor "#000000" "#ffffff" . wrap " " " "
-
-    mkPpHidden :: X (String -> String)
-    mkPpHidden = do
-      m <- gets $ M.fromList . map (\x -> (W.tag x, length . W.integrate' . W.stack $ x)) . W.hidden . windowset
-      pure $ \wid ->
-        let windowCount = m M.! wid
-        in  wid <> (if windowCount > 1 then ":" <> show windowCount else mempty)
-            & xmobarColor "#ffffff" ""
-
-    myPrettyPrinter :: X PP
-    myPrettyPrinter = do
-      myPpCurrent <- mkPpCurrent
-      myPpHidden <- mkPpHidden
-      pure
-        $ filterOutWsPP [scratchpadWorkspaceTag]
-        $ def
-          { ppCurrent         = myPpCurrent
-          , ppHiddenNoWindows = xmobarColor "#9c9c9c" "" . const "⋅"
-          , ppHidden          = myPpHidden
-          , ppSep             = " | "
-          }
+    myPrettyPrinter :: PP
+    myPrettyPrinter =
+      filterOutWsPP [scratchpadWorkspaceTag]
+      $ def
+        { ppCurrent         = xmobarColor "#000000" "#ffffff" . wrap " " " "
+        , ppHiddenNoWindows = xmobarColor "#9c9c9c" "" . const "⋅"
+        , ppHidden          = xmobarColor "#ffffff" ""
+        , ppSep             = " | "
+        }
 
 myScratchpads :: [NamedScratchpad]
 myScratchpads =
diff --git a/nix/homeModules/common/firefox.nix b/nix/homeModules/common/firefox.nix
index 1b0faa95..194206bf 100644
--- a/nix/homeModules/common/firefox.nix
+++ b/nix/homeModules/common/firefox.nix
@@ -29,13 +29,11 @@ in
           "eBay"
           "Perplexity"
         ];
-        Default = "Brave";
+        Default = "DuckDuckGo Lite";
         Add = [
           {
-            Name = "Brave";
-            Alias = "@br";
-            URLTemplate = "https://search.brave.com/search?&summary=0&q={searchTerms}&source=web";
-            SuggestURLTemplate = "https://suggestqueries.google.com/complete/search?q={searchTerms}";
+            Name = "DuckDuckGo Lite";
+            URLTemplate = "https://lite.duckduckgo.com/lite/search?q={searchTerms}";
           }
         ];
       };
diff --git a/nix/homeModules/common/zen-browser.nix b/nix/homeModules/common/zen-browser.nix
index ff8d6702..be5ded5b 100644
--- a/nix/homeModules/common/zen-browser.nix
+++ b/nix/homeModules/common/zen-browser.nix
@@ -29,13 +29,11 @@ in
           "eBay"
           "Perplexity"
         ];
-        Default = "Brave";
+        Default = "DuckDuckGo Lite";
         Add = [
           {
-            Name = "Brave";
-            Alias = "@br";
-            URLTemplate = "https://search.brave.com/search?&summary=0&q={searchTerms}&source=web";
-            SuggestURLTemplate = "https://suggestqueries.google.com/complete/search?q={searchTerms}";
+            Name = "DuckDuckGo Lite";
+            URLTemplate = "https://lite.duckduckgo.com/lite/search?q={searchTerms}";
           }
         ];
       };
diff --git a/nix/packages/by-name/ruler/package.nix b/nix/packages/by-name/ruler/package.nix
index 8fba0215..0e7d8aa9 100644
--- a/nix/packages/by-name/ruler/package.nix
+++ b/nix/packages/by-name/ruler/package.nix
@@ -11,8 +11,8 @@ let
     domain = "git.confusedcompiler.org";
     owner = "leana8959";
     repo = "ruler";
-    rev = "52d8b95245aec702ec4105bcb040ea44771a77bc";
-    hash = "sha256-UIpt8NPEyVM2BR0WAhAv66XvpVj124odzzAC6tpTZVU=";
+    rev = "2556b4985065d093b1db3a14a2c5c37115871c78";
+    hash = "sha256-OvNhDpyAbZp+d0rSXLE55BvM5jT3OI8q79D6aVaA2FI=";
   }) { };
 
   cabalOverrides = o: {
diff --git a/shell.nix b/shell.nix
index d11a2fa5..1fc63cf4 100644
--- a/shell.nix
+++ b/shell.nix
@@ -26,7 +26,6 @@ pkgs.mkShell {
         self.xmonad-extras
         self.xmobar
       ]))
-      haskell-language-server
       cabal-install
     ];
 }