Month: 2025-09; concise monthly summary focusing on stability and business value in emqx/emqx. Key features delivered and bugs fixed: - OCPP Gateway: robust connection lifecycle under active_n limit; fixed crash when active_n is reached; refactored counter reset logic; added test t_active_n. - Audit logs: efficient clearing for large volumes; replaced blocking Mnesia operations with non-blocking 'dirty' operations to clear audit data; commits: 48ba8779..., c1d8a5bd..., cddcfef6.... Overall impact: improved runtime stability under high connection churn, reduced memory spikes during audit clears, and better scalability. Technologies/skills demonstrated: Erlang/OTP patterns, Mnesia optimization (dirty operations), test-driven development, refactoring for reliability.

August 2025 performance highlights for EMQX: Delivered multi-protocol gateway authentication lifecycle improvements, enhanced alarm monitoring reliability, corrected metrics accounting, and extended HTTP API compatibility. Focused on security, reliability, observability, and API stability to drive business value and reduce operational risk.

July 2025 monthly summary for emqx/emqx: Delivered a new Force Deactivate Alarm API. Implemented HTTP endpoint to deactivate alarms by name, including endpoint path, request/response schemas, and the deactivation logic. Added comprehensive tests and updated documentation to reflect the new API. The work is tracked in four commits: 29cd60228c01d104e33e5f4dcbf8d1c27bc2b796 (feat: Add a new HTTP API to deactivated alarms), 490282226642eee31f65a6f63a74f4ede12251a0 (test: Add test for cover deactivate alarm), 07e4c128fa00eaac8d0ed3d434aa13101b516f51 (chore: Add changes), 4ad4089989a4819b88e8d0cc4b2e5a9f418a4a2a (chore: Make eliv happy).

June 2025 monthly summary for EMQX development, focusing on stability, reliability, and clear documentation. Delivered robust NATS gateway behavior, prevented resource leaks in MQTT bridge startup, and improved test reliability, while keeping the product ecosystem well-documented and versioned for clear release visibility.

In May 2025, EMQX delivered substantive NATS integration work across core and docs, strengthening interoperability, reliability, and security. Highlights include: HPUB/HMsg parse and serialization support with WS/WSS client, enhanced NATS messaging capabilities (Request/Reply), improved subscription handling and subject validation, TLS handshake security hardening and default TLS behavior fixes, and notable investments in quality, tests, and documentation for smoother adoption of the NATS gateway.

April 2025: Focused on security, reliability, and test coverage. Delivered TDengine/TDEngine connector improvements with token-based authentication and improved error reporting, added ExHook server URL validation with tests and docs, and prototyped NATS Gateway enhancements with expanded tests and features; fixed test failures related to legacy auth. Documented changes for maintainability and onboarding.

March 2025 monthly summary for EMQX development. Focused on improving stability, maintainability, and cloud-ready integration across core repositories. Delivered dynamic gateway listener updates, expanded gateway testing and refactoring for clarity, and advanced TDengine integration and security with token-based auth. Also fixed key issues and refined documentation to support long-term reliability and business value.

February 2025 monthly summary focusing on key accomplishments, business value, and technical excellence across EMQX repos. Delivered significant observability improvements, integration-ready features, and robust health-check/test maintenance. Coordinated across emqx/emqx-docs and emqx/emqx to enhance monitoring, reliability, and developer productivity.

January 2025 performance review for EMQX development. Delivered core gateway reliability and correctness improvements across APIs, keepalive logic, and listener handling, along with hardened configuration processing. Added tests and release notes to prevent regressions and accelerate deployments. Also improved STOMP authentication visibility and updated SysKeeper integration documentation to aid operators and integrators. Overall, these efforts increased gateway stability, reduced runtime errors, and enhanced developer and operator productivity.

December 2024: Key features delivered, major bugs fixed, and performance improvements across EMQX core and documentation with a focus on business value, reliability, and developer experience.

2024-11 Monthly Summary: Focused on data efficiency, reliability, and documentation quality across EMQX and EMQX Docs. Highlights include delivering optimized audit logging, hardening cluster configuration synchronization, improving client.connect hook reliability across gateways, bolstering JT/T 808 gateway parsing and error handling with added tests, and maintaining documentation accuracy for JT808 data exchange. Key deliverables and business value: - Audit Log Optimization: Truncated only the HTTP body (not the entire request) to cut data processing and storage, while preserving relevant details (commit bb78a911a6d21833430f9d7c57a7fca8bf9a1b2d). - Cluster Rule Deletion and Config Sync Stability: Resolved race conditions when deleting rules concurrently across cluster nodes; ensured delete is processed before create to stabilize configuration synchronization (commits 7c3604ec3399bb76a750e7ea74b7cf0db0d4f1b0, 512a3fa1dd0ec3e5e85ea396359415727ac97414). - Client Connect Hook Reliability Across Gateways: Guarantee client.connect hook is invoked on all EMQX gateways; added test utilities and changelog documentation of the fix (commits 76d4bcd47e288a544e49de93a6b8831e43c42159, 057e495aa2453ad2383f846e6122f5f49dfb4eb9). - JT/T 808 Gateway Enhancements: Parsing cleanup, improved error handling by throwing parsing errors for invalid messages, upgraded tests and logging; includes multiple commits focused on robustness (eec2df19e4639e2e9072b4c748da53e13cf76e2a, 90d87dc3c92b7dfc3b733bfe2a431b3804212472, fdfb54ff78224868ddd3e0f2a7966ac248542352, b4b1107c428a6b0ee699ed82a732bd979b727c54, 922633d7980215babf502201d5273dd1cf9e479b). - GB/T 32960 InfoReport Parsing Clarification: Updated changelog to clarify parsing of customized data messages within GB/T 32960 gateway context (commit 9dcb25455215e65964900c3abf09f289c2386770). - Documentation and housekeeping: Corrected JT808 data-exchange field name from 'manufacture' to 'manufacturer' in English/Chinese docs; aligned documentation file naming (perf-naming) updates (commits 591e7bc4b35ca4912832b82fa943b197d8ab9185, ee44e5590f4cbe253041fde37e3332e606b5b332, 67eda65791bb88441c32e25063c3fef65ceaf699). Overall impact: - Improved run-time efficiency, reduced data footprint, and faster audit processing. - Increased system stability and reliability in multi-node deployments. - Enhanced test coverage and clearer error reporting for gateway protocols. - Higher documentation quality reducing onboarding time and user confusion.

Month: 2024-10. Focused on delivering key features, fixing critical configuration issues, and boosting observability across EMQX products. The month also included documentation and marketing data updates to reflect broader coverage and customer base.