Monthly summary for 2026-03: Cross-repo delivery of subscription streaming enhancements and authentication observability across xmtp/xmtpd and xmtp/proto, delivering scalable, observable, and user-friendly messaging experiences.

February 2026 (2026-02) monthly summary for xmtp/xmtpd: Delivered performance and reliability improvements across envelope processing, publishing, and partition management. These changes lower latency for batch inserts, increase gateway publishing resilience, and automate partition growth to support scaling workloads.

Concise monthly summary for 2026-01 for the xmtp/xmtpd repository focusing on business value, technical achievements, and overall impact. Highlights include delivery of cross-source message processing enhancements, improved partitioning and reliability, and strengthened test stability. Emphasis on measurable outcomes, robustness, and skill growth.

December 2025: Delivered two key architectural improvements in xmtp/xmtpd that boost concurrency, read scalability, and overall throughput. Implemented a non-blocking advisory lock try-lock mechanism to reduce lock contention in worker synchronization, while preserving a hard lock for identity updates to preserve data integrity. Introduced read-only database replica support with routing logic via a new DB handler type to enable read offloading when a read-only DB is available, improving query efficiency and reducing load on the primary. These changes maintain backward-compatible behavior when the read-only DB is not configured and position the service for higher concurrency and scalability.