During February 2026, Petr Havel contributed to the Leantime/leantime repository by enhancing Czech localization support across the application. He focused on updating the cs-CZ.ini file, translating user interface strings to improve accessibility for Czech-speaking users. Petr applied his skills in internationalization, localization, and translation, working primarily with INI files to ensure accurate and context-appropriate language adaptation. The work addressed the need for broader language support, enabling a more inclusive user experience. While the contribution was limited to a single feature and did not involve bug fixes, it demonstrated a focused approach to language support within a defined project scope.