Since you asked for a "report" on this topic, I have prepared a summary of this feature request and its importance for system administrators. đź“‹ Feature Report: NAS-125176 Automatic Snapshots During OS Upgrades
Users are currently advised to manually snapshot the freenas-boot or boot-pool via the System > Boot menu. 125176
Encourages users to keep their systems updated with the latest security patches, knowing they have a fallback. 🛠️ Current Status & Workarounds Since you asked for a "report" on this
You can view and vote for this suggestion on the iXsystems JIRA. 125176
While this specific automation is a popular suggestion among the community ( TrueNAS Community Forums ), it is not always enabled by default in every version.