Old version v61.1 to v72

Hi I’m upgrading my mailinabox, I haven’t upgraded in forever… I’m wondering will there be any issues from upgrading from version v61.1 to v72 the newest version. I know in the past there were was issues regarding versions so I wanted to know if it’s an all clear now

I’m running Ubuntu 22.04

My mail server has a lot of users please let me know thanks