2025-10 Monthly Summary for jenkinsci/ec2-plugin. Focused on delivering a robust EC2 public IP assignment workflow, improving upgrade reliability, and strengthening policy alignment with AWS. Key accomplishments: - Implemented EC2 Public IP Assignment control via an AssociateIpStrategy enum to centralize IP handling (always, never, inherit, default) and deprecated the old boolean associatePublicIp flag, reducing policy inconsistencies and improving reliability. [Commit: b105adbe4aea3ff8b87a925b7b3ff3f5fd4bdbf1] - Added backward compatibility path for AssociateIpPolicy by introducing a deprecated setter and migrating configurations to the new AssociateIpStrategy; updated tests and configs to smooth upgrades. [Commit: dcd7c29bf09b2e0eb59d30b2c83f80a92eb824a0] Impact and business value: - Greater predictability and compliance with AWS service policies for EC2 IP assignment, lowering operational risk during instance provisioning. - Smoother upgrade experience for users thanks to a clear migration path and maintained compatibility, reducing support overhead. - Improved test coverage and configuration validation around IP assignment changes, increasing plugin quality and confidence in releases. Technologies/skills demonstrated: - Java enum design and deprecation strategy, backward compatibility, Jenkins plugin development, AWS policy alignment, test-driven migration, and configuration upgrade testing.

Month 2025-03 delivered a major overhaul of the Jenkins CLI event model, introducing a unified listener architecture (CliListener/CLIListener) and a contextual data object (CliContext) to standardize command execution events, error handling, and reporting. Centralized event firing and security hardening (impersonating events as SYSTEM where appropriate) were implemented, alongside naming, packaging, docs, and tests updates to improve observability, reliability, and maintainability. These changes enable more robust CLI auditing, easier troubleshooting, and reduced risk in CI pipelines.