this looks exciting! David is incredibly good at what he does (tool support for property-based testing and test case reduction)

https://antithesis.com/blog/2026/hegel/

Hypothesis, Antithesis, synthesis

Introducing Hegel, our new family of property-based testing libraries.

sigh.... @DRMacIver...
@regehr @DRMacIver Do codebases have a Weltgeist?
@zwarich @regehr I've certainly worked with some haunted codebases.