ReactiveX for Python
Full Changelog: https://github.com/ReactiveX/RxPY/compare/v4.0.3...v4.0.4
_T
in Observable[_T]
covariant by @Azureblade3808 in https://github.com/ReactiveX/RxPY/pull/654
Full Changelog: https://github.com/ReactiveX/RxPY/compare/v4.0.2...v4.0.3
Full Changelog: https://github.com/ReactiveX/RxPY/compare/v4.0.1...v4.0.2
Full Changelog: https://github.com/ReactiveX/RxPY/compare/v3.2.0...v4.0.0
Full Changelog: https://github.com/ReactiveX/RxPY/compare/v3.2.0...v4.0.0a4