1. Before updating ZenTao
1.1 Make sure to back up your system before the update in case of any data loss due to misoperation. (Referring to https://www.zentao.pm/book/zentaomanual/free-open-source-project-management-software-backup-96.html)
1.2 Update when no one is using ZenTao.
1.3 Please read our instructions of updating carefully.
2. Actions required after update
2.1 Functions added or adjusted in each version. Therefore, an administrator has to check and adjust privileges once updated.