June 2026 saw a pivotal stability and correctness improvement in the zenoh project. Delivered a critical deadlock fix for the Querier lifecycle when a Querier with a pending query is dropped, preventing re-entry of the Session under the state lock. The change also includes a regression test to guard against recurrence and explicit handling for removed queries during drop. Commit reference: e6a1d4eed1ec85afc861cdb2765a1bad8b4be3bc (Fix for the deadlock when dropping a Querier with a pending query whose completion callback re-enters the Session; includes formatting, test updates, and explicit drop behavior).

April 2026 monthly summary for eclipse-zenoh/zenoh focused on strengthening networking reliability and fault tolerance. Delivered a critical bug fix to ensure peer reconnection is triggered on all error paths, improving robustness of connection management across distributed deployments.

Month: 2025-10 — Eclipse Zenoh C++ repository (zenoh-cpp). Focused on improving developer experience through API documentation enhancements. Delivered a targeted documentation update and improved API clarity. Key deliverable: KeyExpr.as_string_view API documentation updated in eclipse-zenoh/zenoh-cpp, clarifying the return type and adding a more descriptive message. Commit referenced: d66769f69d074ed51be13833f8e36749bfdee077. No major bugs fixed this period; overall stability maintained.

For Sep 2025, delivered MCAP Library version 2.0.2 integration into the Bazel Central Registry for grpc/bazel-central-registry. Implemented a new Bazel module and build files, followed standard version addition procedures, and addressed stable URL considerations to ensure reliable downstream consumption. The changes are tracked under commit 0e7197f5a8eb6a3f9c58522e1f01bfa98b4c1bdc (#6055).