diff --git a/CHANGELOG.md b/CHANGELOG.md
new file mode 100644
index 00000000..e4f01a5c
--- /dev/null
+++ b/CHANGELOG.md
@@ -0,0 +1,545 @@
+# @vladmandic/human  
+
+Version: **1.0.0**  
+Description: **Human: AI-powered 3D Face Detection, Face Embedding & Recognition, Body Pose Tracking, Hand & Finger Tracking, Iris Analysis, Age & Gender & Emotion Prediction & Gesture Recognition**  
+
+Author: **Vladimir Mandic <mandic00@live.com>**  
+License: **MIT** </LICENSE>  
+Repository: **<git+https://github.com/vladmandic/human.git>**  
+
+## Changelog
+
+### **HEAD -> main** 2021/03/08 mandic00@live.com
+
+- optimize for npm
+
+### **0.40.9** 2021/03/08 mandic00@live.com
+
+- fix performance issue when running with low confidence
+
+### **0.40.8** 2021/03/08 mandic00@live.com
+
+
+### **0.40.7** 2021/03/06 mandic00@live.com
+
+- implemented 3d face angle calculations
+
+### **0.40.6** 2021/03/06 mandic00@live.com
+
+- add curve draw output
+
+### **0.40.5** 2021/03/05 mandic00@live.com
+
+- fix human.draw
+
+### **0.40.4** 2021/03/05 mandic00@live.com
+
+- cleanup blazepose code
+- fix demo
+
+### **0.40.3** 2021/03/05 mandic00@live.com
+
+
+### **0.40.2** 2021/03/05 mandic00@live.com
+
+- added blazepose-upper
+
+### **0.40.1** 2021/03/04 mandic00@live.com
+
+- implement blazepose and update demos
+- add todo list
+
+### **0.30.6** 2021/03/03 mandic00@live.com
+
+- fine tuning age and face models
+
+### **0.30.5** 2021/03/02 mandic00@live.com
+
+- add debug logging flag
+
+### **0.30.4** 2021/03/01 mandic00@live.com
+
+- added skipinitial flag
+
+### **0.30.3** 2021/02/28 mandic00@live.com
+
+- typo
+
+### **0.30.2** 2021/02/26 mandic00@live.com
+
+- rebuild
+- fix typo
+
+### **0.30.1** 2021/02/25 mandic00@live.com
+
+
+### **0.20.11** 2021/02/24 mandic00@live.com
+
+
+### **0.20.10** 2021/02/22 mandic00@live.com
+
+
+### **0.20.9** 2021/02/21 mandic00@live.com
+
+- remove extra items
+- simmilarity fix
+
+### **0.20.8** 2021/02/21 mandic00@live.com
+
+- embedding fix
+
+### **0.20.7** 2021/02/21 mandic00@live.com
+
+- build fix
+
+### **0.20.6** 2021/02/21 mandic00@live.com
+
+- embedding fix
+
+### **0.20.5** 2021/02/21 mandic00@live.com
+
+- fix imagefx and add dev builds
+
+### **0.20.4** 2021/02/19 mandic00@live.com
+
+- 0.20.4
+
+### **0.20.3** 2021/02/17 mandic00@live.com
+
+- rebuild
+
+### **0.20.2** 2021/02/13 mandic00@live.com
+
+- merge branch 'main' of https://github.com/vladmandic/human into main
+- create codeql-analysis.yml
+- create security.md
+- add templates
+
+### **0.20.1** 2021/02/08 mandic00@live.com
+
+- menu fixes
+- convert to typescript
+
+### **0.11.5** 2021/02/06 mandic00@live.com
+
+- added faceboxes alternative model
+
+### **0.11.4** 2021/02/06 mandic00@live.com
+
+
+### **0.11.3** 2021/02/02 mandic00@live.com
+
+
+### **0.11.2** 2021/01/30 mandic00@live.com
+
+- added warmup for nodejs
+
+### **update for tfjs 3.0.0** 2021/01/29 mandic00@live.com
+
+
+### **0.11.1** 2021/01/29 mandic00@live.com
+
+
+### **0.10.2** 2021/01/22 mandic00@live.com
+
+
+### **0.10.1** 2021/01/20 mandic00@live.com
+
+
+### **0.9.26** 2021/01/18 mandic00@live.com
+
+- fix face detection when mesh is disabled
+- added minification notes
+- version bump
+
+### **0.9.25** 2021/01/13 mandic00@live.com
+
+- added humangl custom backend
+- rebuild
+- code cleanup and enable minification
+- fix safari incopatibility
+
+### **0.9.24** 2021/01/12 mandic00@live.com
+
+- work on blazepose
+- full rebuild
+
+### **0.9.23** 2021/01/11 mandic00@live.com
+
+- added iris gesture
+- fix emotion labels
+- full rebuild
+
+### **0.9.22** 2021/01/05 mandic00@live.com
+
+- remove iris coords if iris is disabled
+- web worker fix
+
+### **0.9.21** 2021/01/03 mandic00@live.com
+
+
+### **0.9.20** 2021/01/03 mandic00@live.com
+
+- stricter linting, fix face annotations
+
+### **0.9.19** 2020/12/23 mandic00@live.com
+
+- added rawbox and rawmesh
+- variable name changes, setting .rawcoords only if necessary
+- option to return raw data (mesh, box) for facemesh / "preserve aspect ratio" fix from facemesh upstream
+
+### **0.9.18** 2020/12/16 mandic00@live.com
+
+- add z axis scaling
+- major work on body module
+- republish due to tfjs 2.8.0 issues
+
+### **0.9.17** 2020/12/15 mandic00@live.com
+
+- added custom webgl backend
+
+### **0.9.16** 2020/12/12 mandic00@live.com
+
+- change default ports
+
+### **0.9.15** 2020/12/11 mandic00@live.com
+
+- improved caching and warmup
+- rebuild
+
+### **0.9.14** 2020/12/10 mandic00@live.com
+
+- conditional hand rotation
+- staggered skipframes
+- fix permissions
+
+### **0.9.13** 2020/12/08 mandic00@live.com
+
+- implemented face and hand boundary checks
+- embedded sample for warmup
+- switch to central logger
+
+### **0.9.12** 2020/11/26 mandic00@live.com
+
+- minor compatibility fixes
+
+### **0.9.11** 2020/11/23 mandic00@live.com
+
+- implement multi-person gestures
+- modularize pipeline models
+
+### **0.9.10** 2020/11/21 mandic00@live.com
+
+- changed build for optimized node & browser
+
+### **0.9.9** 2020/11/21 mandic00@live.com
+
+- new screenshots
+- camera exception handling
+
+### **0.9.8** 2020/11/19 mandic00@live.com
+
+- force f16 textures
+- bugfix embedding check
+
+### **0.9.7** 2020/11/19 mandic00@live.com
+
+- ui redesign
+
+### **0.9.6** 2020/11/18 mandic00@live.com
+
+- optimize camera resize on mobile
+- completed tfjs wrapper
+
+### **0.9.5** 2020/11/17 mandic00@live.com
+
+- fix serious performance bug around skipframes
+- swtich to custom tfjs bundle
+
+### **0.9.4** 2020/11/17 mandic00@live.com
+
+- swtich to tfjs source import
+
+### **0.9.3** 2020/11/16 mandic00@live.com
+
+- switched to minified build
+
+### **release: 1.2** 2020/11/15 mandic00@live.com
+
+- full rebuild
+
+### **0.9.2** 2020/11/14 mandic00@live.com
+
+- fix camera restart on resize
+
+### **0.9.1** 2020/11/13 mandic00@live.com
+
+- version bump
+- full rebuild
+- implemented face embedding
+- added internal benchmark tool
+
+### **0.8.8** 2020/11/12 mandic00@live.com
+
+- reduced bundle size
+- implemented buffered processing
+- fix for conditional model loading
+
+### **0.8.7** 2020/11/11 mandic00@live.com
+
+- added performance notes
+- added notes on models
+- fix bug in async ops and change imports
+- fix wiki links
+
+### **0.8.6** 2020/11/09 mandic00@live.com
+
+- add wasm bundle
+
+### **0.8.5** 2020/11/09 mandic00@live.com
+
+- reimplemented blazeface processing
+
+### **0.8.4** 2020/11/09 mandic00@live.com
+
+- added additional gestures
+- implemented blink detection
+- fix wasm module
+
+### **0.8.3** 2020/11/08 mandic00@live.com
+
+- refresh
+- optimizations
+
+### **0.8.2** 2020/11/08 mandic00@live.com
+
+- fix typos
+- commit
+
+### **0.8.1** 2020/11/07 mandic00@live.com
+
+- fix hand detection performance
+- optimized model loader
+- merge branch 'main' of https://github.com/vladmandic/human into main
+- created wiki
+- delete bug_report.md
+- optimize font resizing
+- fix nms sync call
+
+### **0.7.6** 2020/11/06 mandic00@live.com
+
+- fixed memory leaks and updated docs
+- model tuning
+- cache invalidation improvements
+- full async operations
+
+### **0.7.5** 2020/11/05 mandic00@live.com
+
+- implemented dev-server
+
+### **0.7.4** 2020/11/05 mandic00@live.com
+
+- fix canvas size on different orientation
+- switched from es2020 to es2018 build target
+
+### **0.7.3** 2020/11/05 mandic00@live.com
+
+- optimized camera and mobile layout
+- fixed worker and filter compatibility
+- removed test code
+
+### **0.7.2** 2020/11/04 mandic00@live.com
+
+- major work on handpose model
+
+### **0.7.1** 2020/11/04 mandic00@live.com
+
+- changed demo build process
+
+### **0.6.7** 2020/11/04 mandic00@live.com
+
+- implemented simple gesture recognition
+
+### **0.6.6** 2020/11/04 mandic00@live.com
+
+- remove debug code
+
+### **0.6.5** 2020/11/04 mandic00@live.com
+
+- redo hand detection
+
+### **0.6.4** 2020/11/03 mandic00@live.com
+
+- added manifest
+
+### **0.6.3** 2020/11/03 mandic00@live.com
+
+- enhanced processing resolution
+- fix pause restart
+- complete model refactoring
+- fixed typo
+
+### **0.6.2** 2020/11/02 mandic00@live.com
+
+- optimized demo
+- package update
+
+### **0.6.1** 2020/11/02 mandic00@live.com
+
+- major performance improvements for all models
+- revert "optimized canvas handling"
+- optimized canvas handling
+- minor optimization to imagefx
+- fix demo image sample
+- added tfjs-vis to distribution
+
+### **0.5.5** 2020/11/01 mandic00@live.com
+
+- changed defaults
+
+### **0.5.4** 2020/11/01 mandic00@live.com
+
+- implemented memory profiler
+
+### **0.5.3** 2020/10/30 mandic00@live.com
+
+- improved debug logging
+
+### **0.5.2** 2020/10/30 mandic00@live.com
+
+- added wasm and webgpu backends
+
+### **0.5.1** 2020/10/30 mandic00@live.com
+
+- improve demo line continous draws
+
+### **0.4.10** 2020/10/30 mandic00@live.com
+
+- fix for seedrandom
+
+### **0.4.9** 2020/10/29 mandic00@live.com
+
+
+### **0.4.8** 2020/10/28 mandic00@live.com
+
+- revert "updated menu handler"
+- fix webpack compatibility issue
+
+### **0.4.7** 2020/10/27 mandic00@live.com
+
+
+### **0.4.6** 2020/10/27 mandic00@live.com
+
+- fix firefox compatibility bug
+
+### **0.4.5** 2020/10/27 mandic00@live.com
+
+
+### **0.4.4** 2020/10/27 mandic00@live.com
+
+- implelented input resizing
+
+### **0.4.3** 2020/10/22 mandic00@live.com
+
+
+### **0.4.2** 2020/10/20 mandic00@live.com
+
+- log initialization
+
+### **0.4.1** 2020/10/19 mandic00@live.com
+
+- breaking change: convert to object class
+- compatibility notes
+
+### **0.3.9** 2020/10/18 mandic00@live.com
+
+- implemented image filters
+- pure tensor pipeline without image converts
+- autodetect skipframes
+
+### **0.3.8** 2020/10/17 mandic00@live.com
+
+- new menu layout
+
+### **0.3.7** 2020/10/17 mandic00@live.com
+
+- added diagnostics output
+- parallelized agegender operations
+
+### **0.3.6** 2020/10/17 mandic00@live.com
+
+- fixed webcam initialization
+- fixed memory leaks and added scoped runs
+- modularized draw
+- added state handling
+- refactored package file layout
+
+### **0.3.5** 2020/10/16 mandic00@live.com
+
+- added auto-generated changelog
+
+### **0.3.4** 2020/10/16 mandic00@live.com
+
+- added camera selection
+- optimized blazeface anchors
+- added error handling
+
+### **0.3.3** 2020/10/15 mandic00@live.com
+
+- added blazeface back and front models
+
+### **0.3.2** 2020/10/15 mandic00@live.com
+
+- reduced web worker latency
+- added debugging and versioning
+- optimized demos and added scoped runs
+- added multi backend support
+
+### **0.3.1** 2020/10/14 mandic00@live.com
+
+
+### **0.2.10** 2020/10/14 mandic00@live.com
+
+- added emotion backend
+- module parametrization and performance monitoring
+- implemented multi-hand support
+- fixed documentation typos
+
+### **0.2.9** 2020/10/13 mandic00@live.com
+
+- added node build and demo
+
+### **0.2.8** 2020/10/13 mandic00@live.com
+
+- added example image
+
+### **0.2.7** 2020/10/13 mandic00@live.com
+
+- new examples
+
+### **0.2.6** 2020/10/13 mandic00@live.com
+
+- enable all models by default
+
+### **0.2.5** 2020/10/12 mandic00@live.com
+
+- fixed memory leak
+
+### **0.2.4** 2020/10/12 mandic00@live.com
+
+- removed extra files
+
+### **0.2.3** 2020/10/12 mandic00@live.com
+
+
+### **0.2.2** 2020/10/12 mandic00@live.com
+
+
+### **release: 1.0** 2020/10/12 mandic00@live.com
+
+
+### **0.2.1** 2020/10/12 mandic00@live.com
+
+- added sample image
+- initial public commit
+- initial commit
diff --git a/demo/browser.js b/demo/browser.js
index 716c3263..5fc4f710 100644
--- a/demo/browser.js
+++ b/demo/browser.js
@@ -6,11 +6,11 @@ const userConfig = { backend: 'webgl' }; // add any user configuration overrides
 
 /*
 const userConfig = {
-  backend: 'webgl',
+  backend: 'wasm',
   async: false,
   warmup: 'face',
-  videoOptimized: true,
-  face: { enabled: true, iris: { enabled: false }, mesh: { enabled: true }, age: { enabled: false }, gender: { enabled: false }, emotion: { enabled: false }, embedding: { enabled: false } },
+  videoOptimized: false,
+  face: { enabled: true, mesh: { enabled: false }, iris: { enabled: false }, age: { enabled: false }, gender: { enabled: false }, emotion: { enabled: false }, embedding: { enabled: false } },
   hand: { enabled: false },
   gesture: { enabled: false },
   body: { enabled: false, modelType: 'blazepose', modelPath: '../models/blazepose.json' },
diff --git a/src/draw.ts b/src/draw.ts
index b0e39673..e7729692 100644
--- a/src/draw.ts
+++ b/src/draw.ts
@@ -130,7 +130,7 @@ export async function face(inCanvas, result) {
       const emotion = f.emotion.map((a) => `${Math.trunc(100 * a.score)}% ${a.emotion}`);
       labels.push(emotion.join(' '));
     }
-    if (f.angle) labels.push(`roll: ${Math.trunc(100 * f.angle.roll) / 100} yaw:${Math.trunc(100 * f.angle.yaw) / 100} pitch:${Math.trunc(100 * f.angle.pitch) / 100}`);
+    if (f.angle && f.angle.roll) labels.push(`roll: ${Math.trunc(100 * f.angle.roll) / 100} yaw:${Math.trunc(100 * f.angle.yaw) / 100} pitch:${Math.trunc(100 * f.angle.pitch) / 100}`);
     if (labels.length === 0) labels.push('face');
     ctx.fillStyle = options.color;
     for (let i = labels.length - 1; i >= 0; i--) {