This is release 21.5.8, built from the 21.0-TrigMC branch. It was requested by Rafal Bielski, and will be used to produce Sample A for MET studies of the LAr issues.
Security Notice: GitLab has uncovered a widespread malicious npm supply-chain attack that potentially can destroy user data. All teams are required to audit packages. Further information can be found under the Computer Security Report for November 2025 and the original blog post in https://about.gitlab.com/blog/gitlab-discovers-widespread-npm-supply-chain-attack/
This is release 21.5.8, built from the 21.0-TrigMC branch. It was requested by Rafal Bielski, and will be used to produce Sample A for MET studies of the LAr issues.