Everytime a new update is applied all watched status revert to “unwatched”… Is this normal? All the blue triangles come back
If you did the update via the Firecore Maintenance menu then this is not normal. Mine are certainly surviving an in-situ update.
If you did it via re-jailbreaking then this is normal as the jailbreak process wipes any existing files from the ATV2. In this case what you want to do is save your settings before doing the new jailbreak and restore them afterwards. You do this via the FireCore Maintenance Menu->Settings->Manage backups.