Worked on the langgenius/dify repository to deliver inline CSS styling support for Markdown rendering in self-hosted deployments. Introduced an ALLOW_INLINE_STYLES environment variable, coordinating both environment configuration and frontend components to enable customers to opt in to richer inline styling while maintaining rendering safety. The implementation used TypeScript, React, and Docker, focusing on deployment flexibility and secure feature flag patterns. This feature allows self-hosted users to customize UI styling without modifying core code, reducing the need for forks and supporting customer branding requirements. No major bug fixes were required, as the month’s work centered on feature enablement and platform polish.