October 2025 performance summary across Gatling repositories focused on delivering stability, tooling alignment, and documentation improvements. Across gatling-js, gatling.io-doc, gatling-grpc-demo, and gatling-mqtt-demo, the team delivered core feature upgrades, build/toolchain maintenance, and comprehensive documentation updates that enhance CI readiness and future upgradeability.

September 2025: Delivered a coordinated upgrade and modernization across four Gatling repositories to improve stability, performance, and Java 25 compatibility. Highlights include core/ecosystem upgrades in gatling.io-doc (Gatling core, gRPC, MQTT) with updated self-hosted version and release notes aligned to the latest Gatling releases; extensive documentation/config updates covering a banner option in frontline.conf, Java 25 support for the classic engine, ZGC guidance for Java 24+, and clarifications on SBT persistence and release notes; and repository hygiene improvements such as removing a file from version control and adding .bsp to .gitignore. Cross-repo build tooling and dependency modernization were completed across gatling-mqtt-demo, gatling-grpc-demo, and gatling-js, including Maven/Gradle wrapper upgrades and Gradle/Java version bumps to improve stability, performance, and security. In gatling-mqtt-demo, the Gatling testing framework was upgraded and kotlin-stdlib migrated to align with newer Kotlin versions, enhancing test reliability. These changes collectively improve build stability, test performance and reliability, and developer onboarding efficiency across the Gatling suite.

August 2025 monthly summary: Focused on business value through reliable build tooling, dependency hygiene, and clear documentation across four Gatling repositories. Key features delivered include targeted upgrades to build ecosystems and accompanying documentation improvements, enabling compatibility with modern Protobuf/gRPC and Gatling ecosystems, faster release cycles, and reduced build risk. Major work spanned gatling-grpc-demo (dependency upgrades for Protobuf/gRPC and Gatling plugins), gatling-js (Gatling Enterprise plugins version bumps), gatling-mqtt-demo (Gatling Maven/Gradle/SBT plugin upgrades), and gatling.io-doc (documentation enhancements and CI workflow maintenance). The changes are isolated to configuration/build tooling to minimize risk while maximizing performance and stability. Overall impact: improved compatibility, stability, and performance of the Gatling test ecosystems; smoother onboarding for new contributors; lower maintenance burden and faster iteration cycles. Technologies/skills demonstrated: multi-repo dependency management; Maven/Gradle/SBT plugin upgrades; Protobuf/gRPC tooling; Gatling enterprise plugins; CI/CD workflow modernization (AWS credentials action); documentation discipline and site maintenance.

July 2025 performance review: Completed maintenance-focused work across four Gatling repositories, emphasizing dependency hygiene, documentation accuracy, and tooling modernization. Delivered non-breaking updates to keep dependencies current, clarified critical concepts in docs, and upgraded build toolchains to improve stability, performance, and readiness for upcoming network changes. Business value is reduced security risk, improved developer experience, and faster onboarding for new contributors.

June 2025 monthly summary for gatling.io-doc focused on delivering stability, improved developer experience, and alignment with enterprise docs. Key features and fixes shipped across four items, with direct impact on onboarding, configuration accuracy, and maintainability.

May 2025 Monthly Summary for performance review: Scope: Cross-repo work across gatling.io-doc, gatling-js, gatling-grpc-demo, and gatling-mqtt-demo focusing on documentation standardization, dependency upgrades, build tooling modernization, and security/config improvements. Key features delivered: - Gatling 3.x Release Documentation and Sample Standardization (gatling/gatling.io-doc): consolidated 3.x release docs, updated samples and charts, standardized simulation naming and improved session variable references across languages, with notes for 3.14 and related charts. - Gatling-JS Dependency Upgrade and Related Maintenance (gatling/gatling.io-doc + gatling/gatling-js alignment): upgraded Gatling JS to 3.14.x series to improve compatibility and bug fixes. - Gatling Enterprise 1.26.0 Release Notes and Security Configuration (gatling/gatling.io-doc): added release notes and introduced filesystemPrivateKeyJail to restrict private-key filesystem scans in frontline configuration. - Gatling framework and dependencies upgrades (gatling/gatling-js): upgraded Gatling core to 3.14.1 and Enterprise Plugin Commons to 1.16.3/1.17.0 to ensure stability and security. - Build tooling and configuration improvements (gatling-grpc-demo, gatling-mqtt-demo): upgraded Gradle wrapper to 8.14.1 and refreshed/cleaned build configurations to improve stability and clarity across Gradle, Maven, and SBT ecosystems. Major bugs fixed: - Documentation correctness and consistency: fixed file naming issues, corrected bundle download URLs, linked proxy documentation, and clarified session variable references in examples (commit-level fixes in Gatling 3.x docs). - Build stability fixes: addressed flaky builds and configuration drift by upgrading tooling (Gradle wrapper to 8.14.1) and cleaning up obsolete config sections (data writers and graphite-related settings). - Charts and samples alignment: updated charts in 3.x docs to reflect new features and ensured sample files follow the standardized naming conventions. Overall impact and accomplishments: - Reached a more stable, secure, and developer-friendly release cycle readiness for Gatling 3.x, with consistent documentation, updated samples, and aligned dependencies across the ecosystem. - Reduced maintenance burden and risk by modernizing the build pipeline and ensuring compatibility with GraalVM JDK 24.0.1, improving runtime stability and security posture. - Accelerated onboarding and reduced guidance drift for Performance Testing teams through standardized docs and release notes. Technologies/skills demonstrated: - Dependency management and multi-repo coordination (Gatling 3.x/3.14.x, JS, Enterprise Plugin Commons, GraalVM JDK). - Build tooling modernization (Gradle wrappers, Gradle 8.x, multi-ecosystem builds: Gradle, Maven, SBT). - Documentation engineering, release-note drafting, and content standardization across languages. - Security-focused configuration (filesystemPrivateKeyJail) and containerized guidance through updated docs. Business value: - Faster time-to-value for performance testing initiatives due to precise, standardized documentation and stable builds. - Lower risk and higher confidence in production-grade testing environments via up-to-date dependencies and security configurations.

April 2025 performance summary: Delivered targeted features, stability fixes, and documentation improvements across Gatling repositories, driving business value through clearer API usage, more reliable builds, and robust runtime behavior. Key features delivered include documentation consolidation (DSL to SDK terminology, LDAPS configuration, MQTT 5 support, feeder docs, plugin status and release notes, Kafka plugin version updates, and removal of Gatling Academy references) and coordinated Gradle/plugin upgrades across demo projects. Major bugs fixed include explicit error handling for failure to create a custom native working directory in Netty and robust WebSocket compression handling when jzlib is absent. Overall impact: improved developer experience, shorter release cycles, and stronger production reliability. Technologies/skills demonstrated: Gradle-based build upgrades, release engineering, documentation discipline, and runtime resilience in Netty.

This month delivered comprehensive Gatling ecosystem upgrades across four repositories, standardized multi-build tooling, and targeted documentation improvements. The work enhances stability, performance, and compatibility while reducing maintenance overhead for future releases.

February 2025: Executed a coordinated multi-repo upgrade cycle and targeted fixes across Gatling projects to boost stability, performance, and developer experience. Delivered core and tooling upgrades across gatling-js, gatling-grpc-demo, and gatling-mqtt-demo (Gatling 3.13.4 and plugin updates with Gradle/SBT upgrades) and documented enhancements in gatling.io-doc. Fixed a critical IDE source recognition issue by updating the build-helper-maven-plugin. Enhanced documentation with debugging feature docs and release notes for self-hosted versions. These changes deliver tangible business value through more reliable test execution, faster onboarding, and clearer release communication.

January 2025: Achievements across Gatling repositories focused on documentation, stability, and tooling modernization. Key outcomes include published release notes/docs for self-hosted 1.23.2 with updated version matrices, stabilized dependencies to prevent breaking changes (activemq-broker 5.x pin and Gatling-grpc upgrade), and substantial toolchain upgrades across Gradle, Maven, and SBT to latest stable, improving build reliability and release readiness. CI/CD robustness improved via sbt setup in GitHub Actions and Gatling Enterprise plugin commons upgrade, aligning with performance and reliability objectives.

December 2024 monthly summary focusing on delivering stability, improved maintainability, and automation across Gatling repositories. Key work included a critical bug fix in logback file rotation on load generators (SH-1042) with updated release notes, plus a cosmetic but impactful cleanup to release notes formatting. In addition, the month featured broad tooling and dependency upgrades to boost stability, security, and performance across Java, Kotlin, Scala, and Maven ecosystems, along with automated scheduling and tooling maintenance to reduce drift. Consistent Dependabot updates and scheduled maintenance were implemented for Java, JavaScript, and MQTT-related projects, driving reduced technical debt and faster deployment cycles. Overall, the work enhanced reliability, reduced risk, and positioned the teams to deliver features more rapidly while maintaining high quality.

November 2024 performance summary for Gatling-related repos, focusing on stability, compatibility, and performance improvements across the Gatling platform and ecosystem. Highlights include coordinated upgrades of tooling plugins, core framework, MQTT ecosystem, and CI/CD, plus a key reliability bug fix in Netty’s MQTT payload handling.