Background I’m one of the people contributing to F#+. I got involved in the library around 2017 since I was looking for computation expression builders to clean up my F# code (after a few turns that turned out to be F#+). Around 2018 we released the v1 version. Since then we have released minor versions of the library with new features and bug fixes. In order to not break any users (such as our own usage) we try as far as possible to be backwards compatible. Running tests against an old version How do[...]