During March 2025, Dmitriy Suponitskiy enhanced the openfheorg/openfhe-development repository by improving cryptographic validation precision and strengthening release management. He implemented a custom epsilon in the checkEquality() function, addressing floating-point comparison issues in cryptographic contexts and ensuring more reliable result validation. Dmitriy also managed the release of OpenFHE 1.2.4, which included enhancements to STL thread support and fixes for identified CVEs, thereby improving both security and multi-threaded performance. His work involved C++ for core development, Markdown for documentation, and applied skills in cryptography, unit testing, and release management, demonstrating a focused and technically sound engineering approach.