During September 2024, Dimitar Georgiev enhanced the http4s/http4s repository by implementing a feature that allows HMAC outputs to be returned as ByteVector, Base64-encoded strings, or Hex-encoded strings. This addition streamlines integration with services that require different cryptographic output formats and reduces the need for downstream formatting. Dimitar approached the task using Scala and functional programming principles, ensuring the API remained compatible while extending its utility. The work demonstrated careful API design and clear commit practices, focusing on maintainability and traceability. No bug fixes were reported, as the month’s efforts centered on delivering this targeted cryptography enhancement.