Over a two-month period, contributed targeted enhancements to major open source projects, focusing on 3D graphics and front end development. In mrdoob/three.js, implemented a material management feature in JavaScript and TypeScript that ensures the allowOverride property is consistently propagated during material duplication, improving rendering control and reducing misconfiguration risks for scene setups. Later, in mattermost/mattermost, delivered React-based guidance for Google SSO username and email synchronization, clarifying user workflows and integrating internationalized messaging. Additional work included refining i18n processes, updating JSON translation files, and enforcing packaging standards, resulting in more reliable user experiences and streamlined development practices.