During June 2026, this developer contributed to the facebook/rocksdb repository by implementing a feature that exposed the TransactionDB WritePrepared write policy through a new C API shim. Using C and C++ programming skills alongside database management expertise, they enabled clients to configure write policies directly from C, improving control and consistency for applications leveraging TransactionDB. The technical approach involved aligning the C API surface with existing language bindings, ensuring interoperability and reducing the risk of misconfiguration. This work enhanced the configurability and usability of the C API, supporting more robust database operations without introducing any bug fixes during the period.