During 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, allowing selenium-manager to process XZ archives efficiently. This work leveraged Rust for robust file handling and compression management, reducing code duplication and improving extensibility for future archive formats. Although the focus was on feature development rather than bug fixes, Bastian’s contribution deepened the project’s archive handling capabilities and expanded the CI testing surface for Linux-based automation workflows.