diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7723bdb2..8f995684 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,7 +9,13 @@
   
 ## Changelog
   
-### **HEAD -> main** 2021/09/12 mandic00@live.com
+### **HEAD -> main** 2021/09/13 mandic00@live.com
+
+- enable canvas patching for nodejs
+- full ts strict typechecks
+- fix multiple memory leaks
+
+### **origin/main** 2021/09/12 mandic00@live.com
 
 - add dynamic kernel op detection
 - added human.env diagnostic class
diff --git a/package.json b/package.json
index 0ed4e717..a02763d8 100644
--- a/package.json
+++ b/package.json
@@ -67,13 +67,13 @@
     "@tensorflow/tfjs-node": "^3.9.0",
     "@tensorflow/tfjs-node-gpu": "^3.9.0",
     "@types/node": "^16.9.1",
-    "@typescript-eslint/eslint-plugin": "^4.31.0",
-    "@typescript-eslint/parser": "^4.31.0",
-    "@vladmandic/pilogger": "^0.3.1",
+    "@typescript-eslint/eslint-plugin": "^4.31.1",
+    "@typescript-eslint/parser": "^4.31.1",
     "@vladmandic/build": "^0.4.1",
+    "@vladmandic/pilogger": "^0.3.1",
     "canvas": "^2.8.0",
     "dayjs": "^1.10.7",
-    "esbuild": "^0.12.26",
+    "esbuild": "^0.12.27",
     "eslint": "^7.32.0",
     "eslint-config-airbnb-base": "^14.2.1",
     "eslint-plugin-import": "^2.24.2",
@@ -83,9 +83,7 @@
     "node-fetch": "^3.0.0",
     "seedrandom": "^3.0.5",
     "tslib": "^2.3.1",
-    "typedoc": "0.22.2",
+    "typedoc": "0.22.3",
     "typescript": "4.4.3"
-  },
-  "dependencies": {
   }
 }
diff --git a/test/build.log b/test/build.log
index b6b774d4..fa632b3b 100644
--- a/test/build.log
+++ b/test/build.log
@@ -12231,3 +12231,26 @@
 2021-09-13 13:29:41 STATE: Compile: {"name":"human/browser/iife/bundle","format":"iife","platform":"browser","input":"src/human.ts","output":"dist/human.js","files":50,"inputBytes":2817153,"outputBytes":1395892} 
 2021-09-13 13:29:41 STATE: Compile: {"name":"human/browser/esm/bundle","format":"esm","platform":"browser","input":"src/human.ts","output":"dist/human.esm.js","files":50,"inputBytes":2817153,"outputBytes":2591282} 
 2021-09-13 13:29:51 INFO:  Build exiting... 
+2021-09-13 13:33:39 INFO:  @vladmandic/human version 2.2.0 
+2021-09-13 13:33:39 INFO:  User: vlado Platform: linux Arch: x64 Node: v16.5.0 
+2021-09-13 13:33:39 INFO:  Application: {"name":"@vladmandic/human","version":"2.2.0"} 
+2021-09-13 13:33:39 INFO:  Environment: {"profile":"production","config":"build.json","tsconfig":true,"eslintrc":true,"git":true} 
+2021-09-13 13:33:39 INFO:  Toolchain: {"build":"0.4.1","esbuild":"0.12.27","typescript":"4.4.3","typedoc":"0.21.9","eslint":"7.32.0"} 
+2021-09-13 13:33:39 INFO:  Build: {"profile":"production","steps":["clean","compile","typings","typedoc","lint","changelog"]} 
+2021-09-13 13:33:39 STATE: Clean: {"locations":["dist/*","types/*","typedoc/*"]} 
+2021-09-13 13:33:39 STATE: Compile: {"name":"tfjs/nodejs/cpu","format":"cjs","platform":"node","input":"tfjs/tf-node.ts","output":"dist/tfjs.esm.js","files":1,"inputBytes":102,"outputBytes":1416} 
+2021-09-13 13:33:39 STATE: Compile: {"name":"human/nodejs/cpu","format":"cjs","platform":"node","input":"src/human.ts","output":"dist/human.node.js","files":50,"inputBytes":474561,"outputBytes":403826} 
+2021-09-13 13:33:39 STATE: Compile: {"name":"tfjs/nodejs/gpu","format":"cjs","platform":"node","input":"tfjs/tf-node-gpu.ts","output":"dist/tfjs.esm.js","files":1,"inputBytes":110,"outputBytes":1424} 
+2021-09-13 13:33:39 STATE: Compile: {"name":"human/nodejs/gpu","format":"cjs","platform":"node","input":"src/human.ts","output":"dist/human.node-gpu.js","files":50,"inputBytes":474569,"outputBytes":403830} 
+2021-09-13 13:33:39 STATE: Compile: {"name":"tfjs/nodejs/wasm","format":"cjs","platform":"node","input":"tfjs/tf-node-wasm.ts","output":"dist/tfjs.esm.js","files":1,"inputBytes":149,"outputBytes":1491} 
+2021-09-13 13:33:39 STATE: Compile: {"name":"human/nodejs/wasm","format":"cjs","platform":"node","input":"src/human.ts","output":"dist/human.node-wasm.js","files":50,"inputBytes":474636,"outputBytes":403902} 
+2021-09-13 13:33:39 STATE: Compile: {"name":"tfjs/browser/esm/nobundle","format":"esm","platform":"browser","input":"tfjs/tf-browser.ts","output":"dist/tfjs.esm.js","files":1,"inputBytes":2168,"outputBytes":1590} 
+2021-09-13 13:33:39 STATE: Compile: {"name":"human/browser/esm/nobundle","format":"esm","platform":"browser","input":"src/human.ts","output":"dist/human.esm-nobundle.js","files":50,"inputBytes":474735,"outputBytes":406054} 
+2021-09-13 13:33:40 STATE: Compile: {"name":"tfjs/browser/esm/bundle","format":"esm","platform":"browser","input":"tfjs/tf-browser.ts","output":"dist/tfjs.esm.js","files":7,"inputBytes":2168,"outputBytes":2343983} 
+2021-09-13 13:33:40 STATE: Compile: {"name":"human/browser/iife/bundle","format":"iife","platform":"browser","input":"src/human.ts","output":"dist/human.js","files":50,"inputBytes":2817128,"outputBytes":1395892} 
+2021-09-13 13:33:40 STATE: Compile: {"name":"human/browser/esm/bundle","format":"esm","platform":"browser","input":"src/human.ts","output":"dist/human.esm.js","files":50,"inputBytes":2817128,"outputBytes":2591282} 
+2021-09-13 13:33:56 STATE: Typings: {"input":"src/human.ts","output":"types","files":94} 
+2021-09-13 13:34:02 STATE: TypeDoc: {"input":"src/human.ts","output":"typedoc","objects":29,"index":true} 
+2021-09-13 13:34:27 STATE: Lint: {"locations":["*.json","src/**/*.ts","test/**/*.js","demo/**/*.js"],"files":82,"errors":0,"warnings":0} 
+2021-09-13 13:34:27 STATE: ChangeLog: {"repository":"https://github.com/vladmandic/human","branch":"main","output":"CHANGELOG.md"} 
+2021-09-13 13:34:27 INFO:  Done...