diff --git a/docs/manual/release-notes/rl-0.8.md b/docs/manual/release-notes/rl-0.8.md
index 86fe813e..62f42638 100644
--- a/docs/manual/release-notes/rl-0.8.md
+++ b/docs/manual/release-notes/rl-0.8.md
@@ -621,7 +621,3 @@
 [JudahZF](https://github.com/JudahZF):
 
 - Added gitFiles mapping option to telescope
-
-[vagahbond](https://github.com/vagahbond):
-
-- moved [codewindow](https://github.com/gorbit99/codewindow.nvim) to setupOpts
diff --git a/docs/manual/release-notes/rl-0.9.md b/docs/manual/release-notes/rl-0.9.md
index 04a6ba17..7585c3b5 100644
--- a/docs/manual/release-notes/rl-0.9.md
+++ b/docs/manual/release-notes/rl-0.9.md
@@ -151,4 +151,10 @@
 - Added [Selenen](https://github.com/kampfkarren/selene) for more diagnostics in
   `languages.lua`.
 
+[vagahbond](https://github.com/vagahbond): [codewindow.nvim]:
+https://github.com/gorbit99/codewindow.nvim
+
+- Add [codewindow.nvim] plugin in `vim.assistant.codewindow` with `enable` and
+  `setupOpts`
+
 <!-- vim: set textwidth=80: -->
diff --git a/lib/lua.nix b/lib/lua.nix
index bf879031..01c73612 100644
--- a/lib/lua.nix
+++ b/lib/lua.nix
@@ -49,4 +49,4 @@ in
     "expToLua"
     "listToLuaTable"
     "attrsetToLuaTable"
-  ] (name: lib.warn "${name} is deprecated use toLuaObject instead" toLuaObject)
+  ] (name: builtins.throw "${name} is deprecated use toLuaObject instead")
diff --git a/modules/plugins/languages/rust.nix b/modules/plugins/languages/rust.nix
index 3c49d271..015b2956 100644
--- a/modules/plugins/languages/rust.nix
+++ b/modules/plugins/languages/rust.nix
@@ -11,7 +11,7 @@
   inherit (lib.lists) isList;
   inherit (lib.attrsets) attrNames;
   inherit (lib.types) bool package str listOf either enum int;
-  inherit (lib.nvim.lua) expToLua toLuaObject;
+  inherit (lib.nvim.lua) toLuaObject;
   inherit (lib.nvim.attrsets) mapListToAttrs;
   inherit (lib.nvim.types) mkGrammarOption mkPluginSetupOption deprecatedSingleOrListOf;
   inherit (lib.nvim.dag) entryAfter entryAnywhere;
@@ -169,7 +169,7 @@ in {
             server = {
               cmd = ${
               if isList cfg.lsp.package
-              then expToLua cfg.lsp.package
+              then toLuaObject cfg.lsp.package
               else ''{"${cfg.lsp.package}/bin/rust-analyzer"}''
             },
               default_settings = {