This Beta release introduces Enum types and for User defined dataclasses (Generic types) associates the schema of the definition with it. The schema is loose and will not cause compilation failure in case the receiving and the producing types differ, but is currently help improve the UX.
0.20.0b0
0.19.2
https://github.com/flyteorg/flytekit/pull/629
0.19.1
Patch to add decorator to simplify creating a reference launch plan from a function signature