This is a major update of the library, with several important improvements, as well as a number of bug-fixes and minor improvements.

What's Changed

• Adds the ability to scale ortholearner training using Ray (by @v-shaal in #800)
• Allows missing values in W and sometimes X (by @fverac in #791)
• Enables federated estimation of linear models (by @kgao in #818)
• Provides a CATE validation suite for discrete models (by @amarvenu in #777 and #836)
• Enable model selection for first stage models (by @kbattocchi in #808 and #848)
• Improve discreteness handling, allow binary outcomes by @fverac in #816

New Contributors

• @star1327p made their first contribution in #713
• @v-shaal made their first contribution in #800
• @kgao made their first contribution in #818
• @amarvenu made their first contribution in #777

Full Changelog: v0.14.1...v0.15.0