Jarek focused on release engineering for the sodadata/soda-core repository, delivering a version bump from 3.4.3 to 3.4.4 across all relevant packaging and configuration files. Using Python and leveraging skills in release management and version control, he updated setup files, the main version reference, and the tbump.toml configuration to ensure consistency throughout the codebase. This work standardized the release process, minimized discrepancies between code and distribution artifacts, and improved the repository’s readiness for future deployments. The changes streamlined automated packaging and continuous integration checks, reflecting a targeted, process-driven approach to maintaining deployment hygiene within the project.