During June 2026, this developer focused on security hardening and maintenance for the grafana/mimir-prometheus repository. They addressed two critical vulnerabilities, CVE-2025-61140 and CVE-2025-1615, by upgrading the jsonpath library to version 1.3.0, thereby reducing security risks in the dependency stack. Their work involved careful dependency management and security patching, ensuring the patch was reviewed, signed off, and validated through continuous integration processes. No new user-facing features were introduced during this period, as the primary objective was to strengthen the application’s security posture using JSON and established security review workflows to prepare the patch for release.