Scala 3 slowed us down?

The takeaway of upgrading your libraries when upgrading major language and framework versions applies beyond Scala. Especially when the libraries abuse magic language features (and far too many Scala libraries do) or otherwise integrate deep into the framework/language.

> Especially when the libraries abuse magic language features (and far too many Scala libraries do)

Would you mind to explain what you mean?

The library that caused breakage for the OP is a good example: https://github.com/softwaremill/quicklens