Arnab Mitra focused on enhancing ecosystem compatibility and stability for the provenance-io/provenance repository during March 2025. He upgraded core dependencies, including CometBFT and Cosmos SDK, to improve security and ensure future interoperability. Addressing cross-chain reliability, Arnab applied a patch to ibc-go that resolved marshaling acknowledgements in the oracle module, directly supporting IBC protocol standards. He also marked deprecated fields in IBC connection transaction protocols, aligning the codebase with updated specifications and reducing future upgrade risks. His work leveraged Go and Protocol Buffers, demonstrating depth in backporting and dependency management while prioritizing maintainability and cross-chain operability for the project.