diff --git a/configuration.nix b/configuration.nix
index cc314288..a0d53997 100644
--- a/configuration.nix
+++ b/configuration.nix
@@ -94,6 +94,7 @@ isMaximal: {
 
       tailwind.enable = false;
       svelte.enable = false;
+      tera.enable = false;
 
       # Nim LSP is broken on Darwin and therefore
       # should be disabled by default. Users may still enable
diff --git a/docs/manual/release-notes/rl-0.9.md b/docs/manual/release-notes/rl-0.9.md
index 8c06cfcf..a0070412 100644
--- a/docs/manual/release-notes/rl-0.9.md
+++ b/docs/manual/release-notes/rl-0.9.md
@@ -23,4 +23,12 @@
 [ccc.nvim]: https://github.com/uga-rosa/ccc.nvim
 
 - Added [ccc.nvim] option {option}`vim.utility.ccc.setupOpts` with the existing
-  hard-coded options as default values.
+  hard-coded options as default values
+
+[Snoweuph](https://github.com/snoweuph):
+
+- Added [tera](https://keats.github.io/tera/) language support (syntax highlighting only).
+- Added neovim theme `grubber-darker` <https://github.com/blazkowolf/gruber-darker.nvim>.
+- Added neovim builtin theme `habamax`.
+
+
diff --git a/modules/plugins/languages/default.nix b/modules/plugins/languages/default.nix
index fd45758f..4681366b 100644
--- a/modules/plugins/languages/default.nix
+++ b/modules/plugins/languages/default.nix
@@ -19,6 +19,7 @@ in {
     ./helm.nix
     ./kotlin.nix
     ./html.nix
+    ./tera.nix
     ./haskell.nix
     ./java.nix
     ./json.nix
diff --git a/modules/plugins/languages/tera.nix b/modules/plugins/languages/tera.nix
new file mode 100644
index 00000000..7e1d5573
--- /dev/null
+++ b/modules/plugins/languages/tera.nix
@@ -0,0 +1,28 @@
+{
+  config,
+  pkgs,
+  lib,
+  ...
+}: let
+  inherit (lib.options) mkEnableOption;
+  inherit (lib.modules) mkIf mkMerge;
+  inherit (lib.nvim.types) mkGrammarOption;
+
+  cfg = config.vim.languages.tera;
+in {
+  options.vim.languages.tera = {
+    enable = mkEnableOption "Tera templating language support";
+
+    treesitter = {
+      enable = mkEnableOption "Tera treesitter" // {default = config.vim.languages.enableTreesitter;};
+      package = mkGrammarOption pkgs "tera";
+    };
+  };
+
+  config = mkIf cfg.enable (mkMerge [
+    (mkIf cfg.treesitter.enable {
+      vim.treesitter.enable = true;
+      vim.treesitter.grammars = [cfg.treesitter.package];
+    })
+  ]);
+}
diff --git a/modules/plugins/theme/supported-themes.nix b/modules/plugins/theme/supported-themes.nix
index c2a5e1ca..ca51a5ce 100644
--- a/modules/plugins/theme/supported-themes.nix
+++ b/modules/plugins/theme/supported-themes.nix
@@ -8,6 +8,14 @@
   inherit (lib.trivial) boolToString warnIf;
   inherit (lib.nvim.lua) toLuaObject;
 in {
+  habamax = {
+    builtin = true;
+    setup = _:
+    /*
+    lua
+    */
+    "vim.cmd('colorscheme habamax')";
+  };
   base16 = {
     setup = {base16-colors, ...}: ''
       -- Base16 theme
@@ -37,6 +45,33 @@ in {
     '';
     styles = ["dark" "darker" "cool" "deep" "warm" "warmer"];
   };
+  gruber-darker = {
+    setup = _:
+    /*
+    lua
+    */
+    ''
+      require('gruber-darker').setup({
+        -- defaults
+        bold = true,
+        invert = {
+          signs = false,
+          tabline = false,
+          visual = false,
+        },
+        italic = {
+          strings = true,
+          comments = true,
+          operators = false,
+          folds = true,
+        },
+        undercurl = true,
+        underline = true,
+      })
+      vim.cmd('colorscheme gruber-darker')
+    '';
+    styles = ["dark"];
+  };
 
   tokyonight = {
     setup = {
diff --git a/modules/plugins/theme/theme.nix b/modules/plugins/theme/theme.nix
index b3147c00..44a243f1 100644
--- a/modules/plugins/theme/theme.nix
+++ b/modules/plugins/theme/theme.nix
@@ -65,7 +65,10 @@ in {
 
   config = mkIf cfg.enable {
     vim = {
-      startPlugins = [cfg.name];
+      startPlugins =
+        if (supportedThemes.${cfg.name} ? builtin) && supportedThemes.${cfg.name}.builtin
+        then []
+        else [cfg.name];
       luaConfigRC.theme = entryBefore ["pluginConfigs" "lazyConfigs"] ''
         ${cfg.extraConfig}
         ${supportedThemes.${cfg.name}.setup {inherit (cfg) style transparent base16-colors;}}
diff --git a/npins/sources.json b/npins/sources.json
index a9df47b7..e9257bc5 100644
--- a/npins/sources.json
+++ b/npins/sources.json
@@ -643,6 +643,19 @@
       "url": "https://github.com/ellisonleao/glow.nvim/archive/5d5954b2f22e109d4a6eba8b2618c5b96e4ee7a2.tar.gz",
       "hash": "11rlis4riy1w4clnkiza8x6fs8xjwsrsgfzlz2k8z041ancmrw0a"
     },
+    "gruber-darker": {
+      "type": "Git",
+      "repository": {
+        "type": "GitHub",
+        "owner": "blazkowolf",
+        "repo": "gruber-darker.nvim"
+      },
+      "branch": "main",
+      "submodules": false,
+      "revision": "98a2e141981cbd5a194a97eae024bf55af854579",
+      "url": "https://github.com/blazkowolf/gruber-darker.nvim/archive/98a2e141981cbd5a194a97eae024bf55af854579.tar.gz",
+      "hash": "0bxv33isymnbdzf71w79pfxkwi8ylhjiq3ir9ws2as1d73nnl6lv"
+    },
     "gruvbox": {
       "type": "Git",
       "repository": {