Claudio Eiq developed a localization feature for the gristlabs/grist-core repository, focusing on adding Brazilian Portuguese translations to the Grist user interface. Working primarily with JSON and leveraging Weblate for translation management, Claudio targeted key UI areas such as access rules, document management, and user permissions. This work aimed to improve accessibility for PT-BR users and facilitate broader adoption in the Brazilian market. The implementation aligned closely with existing translation resources, streamlining future updates. While the project spanned one month and involved no bug fixes, it demonstrated depth in localization, translation workflows, and user interface design within a collaborative environment.