Month: 2026-01 — In bazelbuild/bazel, focused on reliability, correctness, and operational stability. Key changes include correcting the StrippingPathMapper CLI flag from --mergeeManifests to --mergeManifests to fix parsing and align with documentation, and enhancing Download Manager error handling by treating UnknownHostException as retriable to handle transient DNS failures. These changes reduce user errors, lower CI flakiness, and improve artifact retrieval reliability. Business impact: smoother builds, fewer retries, and faster delivery pipeline. Technical impact: improved CLI parsing, robust retry logic, and clearer change documentation. Related commits show direct code changes and issue closings (Closes #28153, #28023).

2025-07 Monthly Summary: Reliability improvements for gRPC streaming in Java and build tooling. Implemented promise-delivery guarantees for stream failures and hardened overflow/GOAWAY handling to prevent hangs, with expanded test coverage. These changes reduce operational risk, improve uptime, and deliver clearer error propagation for client apps and CI builds.