Worked on the facebook/fbthrift repository to stabilize URI handling by reverting recently introduced validation checks for missing Thrift URIs. Focused on maintaining backward compatibility and reducing production risk, the developer removed logic that enforced URI presence for Thrift types, ensuring existing client and server integrations continued to function without disruption. The approach involved targeted regression testing and thorough code review to confirm stable behavior after the rollback. Utilizing C++, compiler design principles, and Thrift, the work prioritized integration stability over new feature development, addressing a single regression and restoring previously reliable validation behavior to support ongoing system robustness.