0.9.0 (2020-10-23)

CausalML won the 1st prize at the poster session in UberML'20
DoWhy integrated CausalML starting v0.4 (release note)
CausalML team welcomes new project leadership, Mert Bay
We have 4 new community contributors, Mario Wijaya (@mwijaya3), Harry Zhao (@deeplaunch), Christophe (@ccrndn) and Georg Walther (@waltherg). Thanks for the contribution!

Major Updates

Add feature importance and its visualization to UpliftDecisionTrees and UpliftRF by @yungmsh (#220)
Add feature selection example with Filter methods by @paullo0106 (#223)

Implement propensity model abstraction for common interface by @waltherg (#223)
Fix bug in BaseSClassifier and BaseXClassifier by @yungmsh and @ppstacy (#217, #218)
Fix parentNodeSummary for UpliftDecisionTrees by @paullo0106 (#238)
Add pd.Series for propensity score condition check by @paullo0106 (#242)
Fix the uplift random forest prediction output by @ppstacy (#236)
Add functions and methods to init for optimization module by @mwijaya3 (#228)
Install GitHub Stale App to close inactive issues automatically @jeongyoonlee (#237)
Update documentation by @deeplaunch, @ccrndn, @ppstacy(#214, #231, #232)