Torbjörn Einarsson developed and contributed a new Homebrew formula for the mp4ff command-line toolkit in the chenrui333/homebrew-core repository. Focusing on CLI development and software packaging using Ruby, he integrated tools for parsing, encrypting, decrypting, and extracting metadata from MP4 and ISOBMFF files. By packaging the Eyevinn/mp4ff utilities for Homebrew, Torbjörn streamlined installation and access for developers needing specialized media file manipulation. His work expanded the repository’s capabilities, enabling efficient workflows for users working with complex media formats. The project demonstrated depth in packaging and CLI tool integration, though it was limited in scope to a single feature.