The latest version of SonarQube, 9.9 LTS, has been released and offers numerous improvements and new features, including importing SARIF reports generated by other tools, detecting new code in Git submodules, and deleting "zombie" Quality Profiles from removed plugins. The update also adds an "Acknowledged" state to Security Hotspots, allows selecting a reference branch at scan-time, supports compilation databases for C/C++ analysis, and includes new tutorials for integrating analysis into build pipelines. Additionally, the release addresses security issues, improves project management features, and simplifies the upgrade process with a free version upgrade available.