Jiri Zbytovsky enhanced the onboarding process for the trezor/trezor-firmware repository by improving setup documentation, specifically focusing on the initialization of git submodules for trezorctl. He updated the Python README using Markdown to provide explicit instructions for submodule setup, ensuring that dependencies are reliably fetched before installation. This documentation work clarified the developer setup procedure for Python components, reducing ambiguity and the likelihood of setup errors. By streamlining onboarding and decreasing support overhead, Jiri’s contribution improved repository maintainability and accelerated the time-to-value for new contributors. The work demonstrated depth in documentation and developer experience within a short timeframe.