In December 2024, Bastian Germann enhanced the SeleniumHQ/selenium repository by enabling support for XZ-compressed Firefox Nightly builds on Linux. He refactored the existing BZ2 uncompressor into a generic tar uncompressor and implemented a new XZ uncompressor using the xz2 crate, streamlining the decompression path for archive handling. This work, written in Rust, improved dependency management and file handling within selenium-manager, allowing it to process XZ-compressed archives and expanding automation test coverage for Linux builds. Bastian’s focused engineering laid a scalable foundation for future archive formats, demonstrating depth in compression, decompression, and extensible system design.