diff --git a/README.md b/README.md
index 85c0584..5877b61 100644
--- a/README.md
+++ b/README.md
@@ -215,3 +215,23 @@ For simulation testing, follow these steps:
 
 - **v1.0**: Initial Release
 - **v2.0**: Ported to Python 3, improved build system.
+
+## TODO build system
+- [x] test / debug existing build system
+- [x] update build system (mainly remove deps to obsolete package distutils)
+- [x] create env conda
+- [ ] env with conda-lock ?
+- [ ] guix approch ?
+
+## TODO: doc
+- [x] Intiate mkdocs
+- [ ] migate existing docs from wiki to mkdocs
+- [ ] python API doc
+- [ ] deploy demo / proto sur gitlab page or equivalent on bitbucket
+
+## TODO: test
+- [ ] Initiate python test suite
+- [ ] migrate existing test (see wiki)
+- [ ] doc test ?
+- [ ] Initiate unit test
+