diff --git a/CHANGELOG.md b/CHANGELOG.md
index 58872da9..44a04115 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,8 +9,9 @@
   
 ## Changelog
   
-### **HEAD -> main** 2021/10/29 mandic00@live.com
+### **HEAD -> main** 2021/10/30 mandic00@live.com
 
+- build and docs cleanup
 - fix firefox bug
 
 ### **2.4.3** 2021/10/28 mandic00@live.com
diff --git a/README.md b/README.md
index b6a45224..4c67864f 100644
--- a/README.md
+++ b/README.md
@@ -310,8 +310,8 @@ For more info, see [**Configuration Details**](https://github.com/vladmandic/hum
 <br><hr><br>
 
 `Human` library is written in `TypeScript` [4.4](https://www.typescriptlang.org/docs/handbook/intro.html)  
-Conforming to `JavaScript` [ECMAScript version 2020](https://www.ecma-international.org/ecma-262/11.0/index.html) standard  
-Build target is `JavaScript` [EMCAScript version 2018](https://262.ecma-international.org/9.0/)  
+Conforming to latest `JavaScript` [ECMAScript version 2021](https://262.ecma-international.org/) standard  
+Build target is `JavaScript` [EMCAScript version 2020](https://262.ecma-international.org/11.0/)  
 
 <br>
 
diff --git a/package.json b/package.json
index 7d5b172e..c3d23bd4 100644
--- a/package.json
+++ b/package.json
@@ -23,7 +23,7 @@
   "scripts": {
     "start": "node --no-warnings demo/nodejs/node.js",
     "dev": "build --profile development",
-    "build": "rimraf test/build.log && build --profile production",
+    "build": "rimraf test/build.log && build --profile production && cp src/tfjs/tfjs.esm.d.ts types/dist/",
     "test": "node --no-warnings --unhandled-rejections=strict --trace-uncaught test/node.js",
     "lint": "eslint src demo test",
     "scan": "npx auditjs@latest ossi --dev --quiet"
@@ -73,7 +73,7 @@
     "@vladmandic/pilogger": "^0.3.3",
     "canvas": "^2.8.0",
     "dayjs": "^1.10.7",
-    "esbuild": "^0.13.11",
+    "esbuild": "^0.13.12",
     "eslint": "8.1.0",
     "eslint-config-airbnb-base": "^14.2.1",
     "eslint-plugin-html": "^6.2.0",
diff --git a/src/tfjs/tfjs.esm.d.ts b/src/tfjs/tfjs.esm.d.ts
new file mode 100644
index 00000000..91200e44
--- /dev/null
+++ b/src/tfjs/tfjs.esm.d.ts
@@ -0,0 +1,19 @@
+/// <reference types="offscreencanvas" />
+
+export declare const version: {
+  'tfjs-core': string;
+  'tfjs-backend-cpu': string;
+  'tfjs-backend-webgl': string;
+  'tfjs-data': string;
+  'tfjs-layers': string;
+  'tfjs-converter': string;
+  tfjs: string;
+};
+export * from '@tensorflow/tfjs-core';
+export * from '@tensorflow/tfjs-converter';
+export * from '@tensorflow/tfjs-data';
+// export * from "@tensorflow/tfjs-layers";
+// export * from "@tensorflow/tfjs-backend-cpu";
+// export * from "@tensorflow/tfjs-backend-wasm";
+// export * from "@tensorflow/tfjs-backend-webgl";
+export {};