These are valid upgrade paths for Continuous Delivery for Puppet Enterprise (PE).
|If you're on version...||Upgrade to version...||Notes|
|5.1.0||You're up to date!|
|5.x||5.1.0 (current version)|
|4.26.0 (or later)||5.x (any version in the series)||Follow the migration steps listed in 4.x to 5.x data migration.|