September 2025 monthly summary for pentaho/maven-parent-poms: Focused on build stability and readiness for Java 21 across Pentaho projects, along with targeted environmental investigation to reduce setup failures. Key achievements include Java 21 compatibility updates to Maven parent POMs and stabilization of build/test cycles, laying groundwork for a smooth Java 21 upgrade. Conducted a focused investigation into an LDAP setup environmental issue to prevent recurrent setup failures and to improve diagnostic clarity for future incidents.

August 2025 performance sprint focused on reliability for PMR jobs and modernization across core Pentaho projects. Key stability fixes restore PMR functionality in production builds and ensure compatibility with the timeline service, while a coordinated upgrade path modernizes the codebase with Java 17 across multiple repos to improve security, performance, and dependency compatibility. This work reduces downtime, accelerates PMR job throughput, and lays groundwork for future features across the platform. Notable changes include cross-repo fixes and JDK upgrades that align with current development practices: - PMR stability fix in pentaho/big-data-plugin addressing Tomcat-QAT shim incompatibility (commit 499a61b94b1e6d608180df11ac1bafa50aca4e42). - PMR Jobs Timeline Service compatibility fix in pentaho/pentaho-hadoop-shims (commit 4a873384d83bea04bc5f843555f747b300f4c4ed). - JDK 17 upgrade across multiple repos: pentaho/maven-parent-poms, pentaho/mondrian, pentaho/pentaho-platform, pentaho/pentaho-scheduler-plugin (commits: b6c917ccf59a54a1afa99e774f1655078fa561f5; 69311bf45280ac712fb5e7c020b7de174d50c684; 37dcbd370772da432e0203dbec9c4bb266cc4ad8; de5455cf649854a5504fff41036bcbaa540e5207).

July 2025 performance highlights focused on platform stability, Tomcat integration, improved error handling, and scheduler robustness. Delivered no-code risk reduction for OSGi assembly, completed targeted PR review fixes, and advanced platform compatibility to support upgraded runtime environments. Strengthened runtime feedback and job status reliability, facilitating faster issue diagnosis and safer deployments across the Pentaho stack.

June 2025 Monthly Summary: Delivered targeted enhancements and critical fixes across Pentaho Platform and Big Data Plugin, supporting a smooth Tomcat upgrade path while improving maintainability and developer clarity. Key outcomes include stabilization of tests under the upgraded Tomcat, and documentation alignment to reflect actual caching behavior in CachedFileItemStream, with library upgrade work aligned to Tomcat migration.

May 2025 monthly summary focusing on API resilience, data model alignment, and CI reliability across Pentaho Platform and Scheduler Plugin. The period delivered concrete API contract improvements, improved data typing, and stabilized CI, enabling more predictable integrations and faster delivery cycles.

April 2025 monthly summary for developer performance review focusing on infrastructure, modernization, and test reliability across the Pentaho suite. Delivered foundational web/server upgrades, platform modernization, and CI stability improvements that reduce risk and enable smoother production releases.

March 2025 performance summary focusing on Jakarta EE migration readiness, OSGi/build stability, and test reliability across core Pentaho repos, delivering business value through preparation for modernized runtime, improved deployment stability, and enhanced test coverage.

February 2025: Delivered stability and modernization across three repositories by upgrading caching, stabilizing OSGi packaging, and updating core dependencies. These changes improve runtime performance, packaging reliability, and security posture, enabling smoother deployments and lower maintenance costs.

January 2025: Key caching modernization across the Pentaho platform and build tooling. Delivered JCache-based caching infrastructure upgrades, refined cache region factory and user cache integration, and modernized the Maven parent POMs caching layer for better performance and compatibility. This work enables standardized caching APIs, improved runtime performance, and easier maintenance across the platform.

December 2024: Delivered a critical dependency/configuration upgrade for the caching layer in the pentaho/maven-parent-poms repository. Migrated EhCache from version 2 to EhCache 3 and updated JCache usage to align with modern standards. The upgrade required no code changes, relying on configuration/dependency updates to minimize risk while ensuring compatibility with newer tooling and caching behavior. This work lays the groundwork for future performance tuning and easier maintenance of caching configurations.

November 2024 focused on enabling Tomcat 10.x compatibility and Jakarta EE 10 alignment across Pentaho repos, delivering core dependency upgrades, runtime component upgrades, and Jakarta namespace migrations to support modern servers and security updates. The work improves upgrade paths, performance, and interoperability with newer Jakarta/JAX-RS stacks while preparing the platform for ongoing Jersey/Jakarta transitions.