Developed a native multi-diff editor view for the facebook/sapling repository, replacing the previous in-webview diff modal with a more integrated solution within VS Code. This feature enabled users to view multiple diffs simultaneously in a single session, streamlining code review workflows and reducing context switching for Sapling users. The implementation leveraged TypeScript and focused on VS Code extension development, with attention to front end integration and diff rendering. No major bugs were addressed during this period, but ongoing maintenance and minor improvements were incorporated as part of the release cycle to ensure a smooth developer experience and collaborative workflow.