Dan Weinstein worked on schema management for the microsoft/json-schemas repository, focusing on evolving the core Schema.json file. During March 2025, he delivered a version bump to 2.1.0, ensuring downstream consumers could clearly track schema changes without introducing functional modifications or risk. His approach emphasized disciplined versioning and transparent documentation, aligning release notes with consumer expectations. Dan utilized JSON as the primary language and applied schema management best practices to maintain compatibility and stability. The work demonstrated careful attention to process and release hygiene, prioritizing minimal disruption while supporting ongoing schema evolution in a widely used open-source repository.