diff --git a/CHANGELOG.md b/CHANGELOG.md
index 18dcff6..b0d2ce3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,15 @@
 # Change Log
 
+## [1.4.1 Pre-release] - 2024.03.28.
+
+### Added
+
+-   Diagnostics
+
+### Improved
+
+-   Updated packages
+
 ## [1.4.0 Pre-release] - 2024.03.22.
 
 ### Added
diff --git a/Dagor-Shader-Language-Server b/Dagor-Shader-Language-Server
index 015a5c6..575be77 160000
--- a/Dagor-Shader-Language-Server
+++ b/Dagor-Shader-Language-Server
@@ -1 +1 @@
-Subproject commit 015a5c6ed401ed895afb4b8742e46d3169c488c0
+Subproject commit 575be77f75e098698e6e6aeb23b906c90f073943
diff --git a/README.md b/README.md
index a41a968..2fa6b12 100644
--- a/README.md
+++ b/README.md
@@ -119,6 +119,10 @@ If you have any problems or feature request for the extension, feel free to crea
 
 For more information, see the [changelog](CHANGELOG.md).
 
+### 1.4.1 Pre-release
+
+-   Diagnostics
+
 ### 1.4.0 Pre-release
 
 -   Code formatting
diff --git a/package-lock.json b/package-lock.json
index 2fce981..d3f18d8 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,34 +1,34 @@
 {
     "name": "dagor-shader-language-support",
-    "version": "1.2.0",
+    "version": "1.4.0",
     "lockfileVersion": 3,
     "requires": true,
     "packages": {
         "": {
             "name": "dagor-shader-language-support",
-            "version": "1.2.0",
+            "version": "1.4.0",
             "license": "BSD-3-Clause",
             "dependencies": {
                 "vscode-languageclient": "^9.0.1"
             },
             "devDependencies": {
                 "@types/mocha": "^10.0.6",
-                "@types/node": "^20.11.27",
+                "@types/node": "^20.11.30",
                 "@types/vscode": "^1.80.0",
-                "@typescript-eslint/eslint-plugin": "^7.2.0",
-                "@typescript-eslint/parser": "^7.2.0",
+                "@typescript-eslint/eslint-plugin": "^7.4.0",
+                "@typescript-eslint/parser": "^7.4.0",
                 "@vscode/test-electron": "^2.3.9",
-                "@vscode/test-web": "^0.0.52",
+                "@vscode/test-web": "^0.0.53",
                 "@vscode/vsce": "^2.24.0",
                 "eslint": "^8.57.0",
                 "husky": "^9.0.11",
                 "lint-staged": "^15.2.2",
-                "mocha": "^10.3.0",
+                "mocha": "^10.4.0",
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                 "prettier-plugin-organize-imports": "^3.2.4",
                 "ts-loader": "^9.5.1",
-                "typescript": "^5.4.2",
-                "webpack": "^5.90.3",
+                "typescript": "^5.4.3",
+                "webpack": "^5.91.0",
                 "webpack-cli": "^5.1.4"
             },
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@@ -368,9 +368,9 @@
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+            "version": "20.11.30",
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@@ -389,16 +389,16 @@
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-                "@typescript-eslint/utils": "7.2.0",
-                "@typescript-eslint/visitor-keys": "7.2.0",
+                "@typescript-eslint/scope-manager": "7.4.0",
+                "@typescript-eslint/type-utils": "7.4.0",
+                "@typescript-eslint/utils": "7.4.0",
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@@ -407,7 +407,7 @@
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@@ -424,19 +424,19 @@
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-                "@typescript-eslint/typescript-estree": "7.2.0",
-                "@typescript-eslint/visitor-keys": "7.2.0",
+                "@typescript-eslint/scope-manager": "7.4.0",
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+                "@typescript-eslint/typescript-estree": "7.4.0",
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                 "debug": "^4.3.4"
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@@ -452,16 +452,16 @@
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-                "@typescript-eslint/visitor-keys": "7.2.0"
+                "@typescript-eslint/types": "7.4.0",
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@@ -469,18 +469,18 @@
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+            "version": "7.4.0",
+            "resolved": "https://registry.npmjs.org/@typescript-eslint/type-utils/-/type-utils-7.4.0.tgz",
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             "dev": true,
             "dependencies": {
-                "@typescript-eslint/typescript-estree": "7.2.0",
-                "@typescript-eslint/utils": "7.2.0",
+                "@typescript-eslint/typescript-estree": "7.4.0",
+                "@typescript-eslint/utils": "7.4.0",
                 "debug": "^4.3.4",
                 "ts-api-utils": "^1.0.1"
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@@ -496,12 +496,12 @@
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@@ -509,13 +509,13 @@
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-                "@typescript-eslint/visitor-keys": "7.2.0",
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@@ -524,7 +524,7 @@
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-            "integrity": "sha512-3XOqkZP/y6B4F0PBAXvI1/bky7GryoogUtfwExeP/v7Nzwo1QLcq5oQmpKlftZLbT+ERUOAZVQjuNVak6UXjPA==",
+            "version": "1.12.1",
+            "resolved": "https://registry.npmjs.org/@webassemblyjs/wasm-gen/-/wasm-gen-1.12.1.tgz",
+            "integrity": "sha512-TDq4Ojh9fcohAw6OIMXqiIcTq5KUXTGRkVxbSo1hQnSy6lAM5GSdfwWeSxpAo0YzgsgF182E/U0mDNhuA0tW7w==",
             "dev": true,
             "dependencies": {
-                "@webassemblyjs/ast": "1.11.6",
+                "@webassemblyjs/ast": "1.12.1",
                 "@webassemblyjs/helper-wasm-bytecode": "1.11.6",
                 "@webassemblyjs/ieee754": "1.11.6",
                 "@webassemblyjs/leb128": "1.11.6",
@@ -930,24 +930,24 @@
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         "node_modules/@webassemblyjs/wasm-opt": {
-            "version": "1.11.6",
-            "resolved": "https://registry.npmjs.org/@webassemblyjs/wasm-opt/-/wasm-opt-1.11.6.tgz",
-            "integrity": "sha512-cOrKuLRE7PCe6AsOVl7WasYf3wbSo4CeOk6PkrjS7g57MFfVUF9u6ysQBBODX0LdgSvQqRiGz3CXvIDKcPNy4g==",
+            "version": "1.12.1",
+            "resolved": "https://registry.npmjs.org/@webassemblyjs/wasm-opt/-/wasm-opt-1.12.1.tgz",
+            "integrity": "sha512-Jg99j/2gG2iaz3hijw857AVYekZe2SAskcqlWIZXjji5WStnOpVoat3gQfT/Q5tb2djnCjBtMocY/Su1GfxPBg==",
             "dev": true,
             "dependencies": {
-                "@webassemblyjs/ast": "1.11.6",
-                "@webassemblyjs/helper-buffer": "1.11.6",
-                "@webassemblyjs/wasm-gen": "1.11.6",
-                "@webassemblyjs/wasm-parser": "1.11.6"
+                "@webassemblyjs/ast": "1.12.1",
+                "@webassemblyjs/helper-buffer": "1.12.1",
+                "@webassemblyjs/wasm-gen": "1.12.1",
+                "@webassemblyjs/wasm-parser": "1.12.1"
             }
         },
         "node_modules/@webassemblyjs/wasm-parser": {
-            "version": "1.11.6",
-            "resolved": "https://registry.npmjs.org/@webassemblyjs/wasm-parser/-/wasm-parser-1.11.6.tgz",
-            "integrity": "sha512-6ZwPeGzMJM3Dqp3hCsLgESxBGtT/OeCvCZ4TA1JUPYgmhAx38tTPR9JaKy0S5H3evQpO/h2uWs2j6Yc/fjkpTQ==",
+            "version": "1.12.1",
+            "resolved": "https://registry.npmjs.org/@webassemblyjs/wasm-parser/-/wasm-parser-1.12.1.tgz",
+            "integrity": "sha512-xikIi7c2FHXysxXe3COrVUPSheuBtpcfhbpFj4gmu7KRLYOzANztwUU0IbsqvMqzuNK2+glRGWCEqZo1WCLyAQ==",
             "dev": true,
             "dependencies": {
-                "@webassemblyjs/ast": "1.11.6",
+                "@webassemblyjs/ast": "1.12.1",
                 "@webassemblyjs/helper-api-error": "1.11.6",
                 "@webassemblyjs/helper-wasm-bytecode": "1.11.6",
                 "@webassemblyjs/ieee754": "1.11.6",
@@ -956,12 +956,12 @@
             }
         },
         "node_modules/@webassemblyjs/wast-printer": {
-            "version": "1.11.6",
-            "resolved": "https://registry.npmjs.org/@webassemblyjs/wast-printer/-/wast-printer-1.11.6.tgz",
-            "integrity": "sha512-JM7AhRcE+yW2GWYaKeHL5vt4xqee5N2WcezptmgyhNS+ScggqcT1OtXykhAb13Sn5Yas0j2uv9tHgrjwvzAP4A==",
+            "version": "1.12.1",
+            "resolved": "https://registry.npmjs.org/@webassemblyjs/wast-printer/-/wast-printer-1.12.1.tgz",
+            "integrity": "sha512-+X4WAlOisVWQMikjbcvY2e0rwPsKQ9F688lksZhBcPycBBuii3O7m8FACbDMWDojpAqvjIncrG8J0XHKyQfVeA==",
             "dev": true,
             "dependencies": {
-                "@webassemblyjs/ast": "1.11.6",
+                "@webassemblyjs/ast": "1.12.1",
                 "@xtuc/long": "4.2.2"
             }
         },
@@ -2135,9 +2135,9 @@
             }
         },
         "node_modules/enhanced-resolve": {
-            "version": "5.15.0",
-            "resolved": "https://registry.npmjs.org/enhanced-resolve/-/enhanced-resolve-5.15.0.tgz",
-            "integrity": "sha512-LXYT42KJ7lpIKECr2mAXIaMldcNCh/7E0KBKOu4KSfkHmP+mZmSs+8V5gBAqisWBy0OO4W5Oyys0GO1Y8KtdKg==",
+            "version": "5.16.0",
+            "resolved": "https://registry.npmjs.org/enhanced-resolve/-/enhanced-resolve-5.16.0.tgz",
+            "integrity": "sha512-O+QWCviPNSSLAD9Ucn8Awv+poAkqn3T1XY5/N7kR7rQO9yfSGWkYZDwpJ+iKF7B8rxaQKWngSqACpgzeapSyoA==",
             "dev": true,
             "dependencies": {
                 "graceful-fs": "^4.2.4",
@@ -3564,9 +3564,9 @@
             }
         },
         "node_modules/koa": {
-            "version": "2.15.0",
-            "resolved": "https://registry.npmjs.org/koa/-/koa-2.15.0.tgz",
-            "integrity": "sha512-KEL/vU1knsoUvfP4MC4/GthpQrY/p6dzwaaGI6Rt4NQuFqkw3qrvsdYF5pz3wOfi7IGTvMPHC9aZIcUKYFNxsw==",
+            "version": "2.15.2",
+            "resolved": "https://registry.npmjs.org/koa/-/koa-2.15.2.tgz",
+            "integrity": "sha512-MXTeZH3M6AJ8ukW2QZ8wqO3Dcdfh2WRRmjCBkEP+NhKNCiqlO5RDqHmSnsyNrbRJrdjyvIGSJho4vQiWgQJSVA==",
             "dev": true,
             "dependencies": {
                 "accepts": "^1.3.5",
@@ -4145,9 +4145,9 @@
             "optional": true
         },
         "node_modules/mocha": {
-            "version": "10.3.0",
-            "resolved": "https://registry.npmjs.org/mocha/-/mocha-10.3.0.tgz",
-            "integrity": "sha512-uF2XJs+7xSLsrmIvn37i/wnc91nw7XjOQB8ccyx5aEgdnohr7n+rEiZP23WkCYHjilR6+EboEnbq/ZQDz4LSbg==",
+            "version": "10.4.0",
+            "resolved": "https://registry.npmjs.org/mocha/-/mocha-10.4.0.tgz",
+            "integrity": "sha512-eqhGB8JKapEYcC4ytX/xrzKforgEc3j1pGlAXVy3eRwrtAy5/nIfT1SvgGzfN0XZZxeLq0aQWkOUAmqIJiv+bA==",
             "dev": true,
             "dependencies": {
                 "ansi-colors": "4.1.1",
@@ -5917,9 +5917,9 @@
             }
         },
         "node_modules/typescript": {
-            "version": "5.4.2",
-            "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.4.2.tgz",
-            "integrity": "sha512-+2/g0Fds1ERlP6JsakQQDXjZdZMM+rqpamFZJEKh4kwTIn3iDkgKtby0CeNd5ATNZ4Ry1ax15TMx0W2V+miizQ==",
+            "version": "5.4.3",
+            "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.4.3.tgz",
+            "integrity": "sha512-KrPd3PKaCLr78MalgiwJnA25Nm8HAmdwN3mYUYZgG/wizIo9EainNVQI9/yDavtVFRN2h3k8uf3GLHuhDMgEHg==",
             "dev": true,
             "bin": {
                 "tsc": "bin/tsc",
@@ -6049,9 +6049,9 @@
             "dev": true
         },
         "node_modules/watchpack": {
-            "version": "2.4.0",
-            "resolved": "https://registry.npmjs.org/watchpack/-/watchpack-2.4.0.tgz",
-            "integrity": "sha512-Lcvm7MGST/4fup+ifyKi2hjyIAwcdI4HRgtvTpIUxBRhB+RFtUh8XtDOxUfctVCnhVi+QQj49i91OyvzkJl6cg==",
+            "version": "2.4.1",
+            "resolved": "https://registry.npmjs.org/watchpack/-/watchpack-2.4.1.tgz",
+            "integrity": "sha512-8wrBCMtVhqcXP2Sup1ctSkga6uc2Bx0IIvKyT7yTFier5AXHooSI+QyQQAtTb7+E0IUCCKyTFmXqdqgum2XWGg==",
             "dev": true,
             "dependencies": {
                 "glob-to-regexp": "^0.4.1",
@@ -6062,26 +6062,26 @@
             }
         },
         "node_modules/webpack": {
-            "version": "5.90.3",
-            "resolved": "https://registry.npmjs.org/webpack/-/webpack-5.90.3.tgz",
-            "integrity": "sha512-h6uDYlWCctQRuXBs1oYpVe6sFcWedl0dpcVaTf/YF67J9bKvwJajFulMVSYKHrksMB3I/pIagRzDxwxkebuzKA==",
+            "version": "5.91.0",
+            "resolved": "https://registry.npmjs.org/webpack/-/webpack-5.91.0.tgz",
+            "integrity": "sha512-rzVwlLeBWHJbmgTC/8TvAcu5vpJNII+MelQpylD4jNERPwpBJOE2lEcko1zJX3QJeLjTTAnQxn/OJ8bjDzVQaw==",
             "dev": true,
             "dependencies": {
                 "@types/eslint-scope": "^3.7.3",
                 "@types/estree": "^1.0.5",
-                "@webassemblyjs/ast": "^1.11.5",
-                "@webassemblyjs/wasm-edit": "^1.11.5",
-                "@webassemblyjs/wasm-parser": "^1.11.5",
+                "@webassemblyjs/ast": "^1.12.1",
+                "@webassemblyjs/wasm-edit": "^1.12.1",
+                "@webassemblyjs/wasm-parser": "^1.12.1",
                 "acorn": "^8.7.1",
                 "acorn-import-assertions": "^1.9.0",
                 "browserslist": "^4.21.10",
                 "chrome-trace-event": "^1.0.2",
-                "enhanced-resolve": "^5.15.0",
+                "enhanced-resolve": "^5.16.0",
                 "es-module-lexer": "^1.2.1",
                 "eslint-scope": "5.1.1",
                 "events": "^3.2.0",
                 "glob-to-regexp": "^0.4.1",
-                "graceful-fs": "^4.2.9",
+                "graceful-fs": "^4.2.11",
                 "json-parse-even-better-errors": "^2.3.1",
                 "loader-runner": "^4.2.0",
                 "mime-types": "^2.1.27",
@@ -6089,7 +6089,7 @@
                 "schema-utils": "^3.2.0",
                 "tapable": "^2.1.1",
                 "terser-webpack-plugin": "^5.3.10",
-                "watchpack": "^2.4.0",
+                "watchpack": "^2.4.1",
                 "webpack-sources": "^3.2.3"
             },
             "bin": {
@@ -6401,9 +6401,9 @@
             }
         },
         "node_modules/ylru": {
-            "version": "1.3.2",
-            "resolved": "https://registry.npmjs.org/ylru/-/ylru-1.3.2.tgz",
-            "integrity": "sha512-RXRJzMiK6U2ye0BlGGZnmpwJDPgakn6aNQ0A7gHRbD4I0uvK4TW6UqkK1V0pp9jskjJBAXd3dRrbzWkqJ+6cxA==",
+            "version": "1.4.0",
+            "resolved": "https://registry.npmjs.org/ylru/-/ylru-1.4.0.tgz",
+            "integrity": "sha512-2OQsPNEmBCvXuFlIni/a+Rn+R2pHW9INm0BxXJ4hVDA8TirqMj+J/Rp9ItLatT/5pZqWwefVrTQcHpixsxnVlA==",
             "dev": true,
             "engines": {
                 "node": ">= 4.0.0"
diff --git a/package.json b/package.json
index 860c008..88ecbc5 100644
--- a/package.json
+++ b/package.json
@@ -3,7 +3,7 @@
     "displayName": "Dagor Shader Language Support",
     "description": "Language support extension for the Dagor Shader Language.",
     "publisher": "gaijin",
-    "version": "1.4.0",
+    "version": "1.4.1",
     "license": "BSD-3-Clause",
     "repository": {
         "type": "git",
@@ -116,10 +116,10 @@
         "build-production": "webpack --mode production",
         "build": "webpack",
         "watch": "webpack --watch",
-        "package-universal": "vsce package --ignoreFile vscodeignore/universal.vscodeignore --pre-release",
-        "package-windows-x64": "vsce package --target win32-x64 --ignoreFile vscodeignore/windows.vscodeignore --pre-release",
-        "package-macos-x64": "vsce package --target darwin-x64 --ignoreFile vscodeignore/macos.vscodeignore --pre-release",
-        "package-linux-x64": "vsce package --target linux-x64 --ignoreFile vscodeignore/linux.vscodeignore --pre-release",
+        "package-universal": "vsce package --ignoreFile vscodeignore/universal.vscodeignore",
+        "package-windows-x64": "vsce package --target win32-x64 --ignoreFile vscodeignore/windows.vscodeignore",
+        "package-macos-x64": "vsce package --target darwin-x64 --ignoreFile vscodeignore/macos.vscodeignore",
+        "package-linux-x64": "vsce package --target linux-x64 --ignoreFile vscodeignore/linux.vscodeignore",
         "package-all": "start npm run package-universal & start npm run package-windows-x64 & start npm run package-macos-x64 & start npm run package-linux-x64",
         "build-tests": "tsc -p ./tsconfig.test.json",
         "watch-tests": "tsc -w -p ./tsconfig.test.json",
@@ -135,22 +135,22 @@
     },
     "devDependencies": {
         "@types/mocha": "^10.0.6",
-        "@types/node": "^20.11.27",
+        "@types/node": "^20.11.30",
         "@types/vscode": "^1.80.0",
-        "@typescript-eslint/eslint-plugin": "^7.2.0",
-        "@typescript-eslint/parser": "^7.2.0",
+        "@typescript-eslint/eslint-plugin": "^7.4.0",
+        "@typescript-eslint/parser": "^7.4.0",
         "@vscode/test-electron": "^2.3.9",
-        "@vscode/test-web": "^0.0.52",
+        "@vscode/test-web": "^0.0.53",
         "@vscode/vsce": "^2.24.0",
         "eslint": "^8.57.0",
         "husky": "^9.0.11",
         "lint-staged": "^15.2.2",
-        "mocha": "^10.3.0",
+        "mocha": "^10.4.0",
         "prettier": "^3.2.5",
         "prettier-plugin-organize-imports": "^3.2.4",
         "ts-loader": "^9.5.1",
-        "typescript": "^5.4.2",
-        "webpack": "^5.90.3",
+        "typescript": "^5.4.3",
+        "webpack": "^5.91.0",
         "webpack-cli": "^5.1.4"
     },
     "lint-staged": {