diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3fce7b9e..7ab2a517 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,8 +9,9 @@
   
 ## Changelog
   
-### **HEAD -> main** 2021/10/21 mandic00@live.com
+### **HEAD -> main** 2021/10/22 mandic00@live.com
 
+- add optional autodetected custom wasm path
 
 ### **2.3.6** 2021/10/21 mandic00@live.com
 
diff --git a/build.json b/build.json
index 293edc0b..f47033f6 100644
--- a/build.json
+++ b/build.json
@@ -33,6 +33,8 @@
     "global": {
       "target": "es2018",
       "sourcemap": false,
+      "treeShaking": true,
+      "ignoreAnnotations": true,
       "banner": { "js": "/*\n  Human\n  homepage: <https://github.com/vladmandic/human>\n  author: <https://github.com/vladmandic>'\n*/\n" }
     },
     "targets": [
diff --git a/package.json b/package.json
index aeb2e5a9..c60b3189 100644
--- a/package.json
+++ b/package.json
@@ -86,5 +86,8 @@
     "tslib": "^2.3.1",
     "typedoc": "0.22.6",
     "typescript": "4.4.4"
+  },
+  "dependencies": {
+    "long": "^4.0.0"
   }
 }
diff --git a/src/tfjs/types.ts b/src/tfjs/types.ts
index 45caaa78..e4d8fd47 100644
--- a/src/tfjs/types.ts
+++ b/src/tfjs/types.ts
@@ -11,3 +11,8 @@ export { Tensor } from '@tensorflow/tfjs-core/dist/index';
  * @external
  */
 export { GraphModel } from '@tensorflow/tfjs-converter/dist/index';
+
+/** Tensorflow Long type
+ * @external
+ */
+export { Long } from 'long';
diff --git a/tfjs/tf-browser.ts b/tfjs/tf-browser.ts
index 003e1d78..fb500de8 100644
--- a/tfjs/tf-browser.ts
+++ b/tfjs/tf-browser.ts
@@ -9,7 +9,11 @@ export * from '@tensorflow/tfjs-backend-webgl/dist/index.js';
 export * from '@tensorflow/tfjs-backend-wasm/dist/index.js';
 
 // add webgpu to bundle, experimental
-export * from '@tensorflow/tfjs-backend-webgpu/dist/index.js';
+// export * from '@tensorflow/tfjs-backend-webgpu/dist/index.js';
 
 // export versions, overrides version object from @tensorflow/tfjs
 export { version } from '../dist/tfjs.version.js';
+
+// export utility types used by Human
+export { Tensor } from '@tensorflow/tfjs/dist/index.js';
+export { GraphModel } from '@tensorflow/tfjs-converter/dist/index';
diff --git a/tsconfig.json b/tsconfig.json
index de41e5d1..aa352137 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -5,7 +5,7 @@
     "moduleResolution": "node",
     "outDir": "types",
     "baseUrl": "./",
-    "paths": { "tslib": ["node_modules/tslib/tslib.d.ts"] },
+    "paths": { "tslib": ["./node_modules/tslib/tslib.d.ts"] },
     "allowJs": true,
     "allowSyntheticDefaultImports": false,
     "allowUnreachableCode": false,
@@ -14,7 +14,7 @@
     "declaration": true,
     "declarationMap": true,
     "emitDecoratorMetadata": true,
-    "esModuleInterop": false,
+    "esModuleInterop": true,
     "exactOptionalPropertyTypes": true,
     "experimentalDecorators": true,
     "forceConsistentCasingInFileNames": true,