Pete M. focused on enhancing the reliability and performance of DTLS 1.3 handshakes in the expressvpn/wolfssl-rs repository. He addressed handshake fragmentation issues by lowering the maximum MTU for handshake messages in the dtls13.c module, directly reducing fragmentation-related failures across clients. His work involved patch management and build system adjustments to ensure accurate MTU calculation, leveraging his expertise in C and Rust for system programming and network protocols. Although the scope was limited to a targeted bug fix, Pete’s contribution demonstrated a thoughtful approach to protocol reliability, resulting in smoother client connections and a reduced need for handshake retries.