• Amazon Linux 2 (pinned)
• Amazon Linux 2 (unpinned)
• CentOS 7.7 (pinned)
• CentOS 7.7 (unpinned)
• MacOS 10.14 (pinned)
• MacOS 10.14 (unpinned)
• Ubuntu 16.04 (pinned)
• Ubuntu 18.04 (pinned)
• Ubuntu 18.04 (unpinned)