I've done upgrades from 1.4.1 to 1.4.2, etc. But, not 1.4 to 1.5 revisions.
I'm also a step behind, as I'm on 1.4.4 and not 1.4.5.
Do I need to install 1.4.5 before upgrading to 1.5.0? What's the easiest set of commands to take care of that, if so?