During February 2025, Daniel Jensen enhanced documentation build stability for the spack/spack and spack/spack-packages repositories by updating Sphinx theme compatibility and modernizing dependencies. He expanded support for py-sphinx-rtd-theme to include versions 2.0.0 and 3.0.0, refining dependency ranges for Python, py-sphinx, and py-docutils to ensure seamless integration with newer Python and Sphinx ecosystems. By introducing py-sphinxcontrib-jquery for theme-compatible builds, Daniel reduced the risk of documentation build failures. His work in Python focused on dependency management and package management, resulting in more reliable CI documentation pipelines and smoother onboarding for users adopting modern documentation tooling.