Worked on enhancing Markdown rendering fidelity in the udecode/plate repository by adding strikethrough support to the Markdown deserializer. This was achieved through the integration of the remark-gfm plugin, which required updating dependencies to ensure compatibility with existing parsers. The implementation included comprehensive tests to validate correct parsing of strikethrough syntax and to cover edge cases, contributing to improved content rendering accuracy and a smoother authoring experience. Addressed a regression in the deserialization process related to missing strikethrough handling, demonstrating attention to stability. Utilized JavaScript, TypeScript, and Markdown parsing skills to deliver this targeted feature enhancement.