Upgrading from Octopus 3.x is easier than you think

Octopus is a deployment tool that offers significant improvements and features in its newer versions, such as an enhanced user interface, integration with major cloud providers, and support for Kubernetes. Despite the benefits of upgrading, some users remain on older versions due to perceived reliability or policy constraints. The text provides a detailed guide on how to upgrade Octopus safely, including essential backup procedures and strategies to minimize risk, such as cloning instances or creating test environments. It emphasizes the importance of backing up the master key and license key, as well as data folders, to ensure a smooth transition. Additionally, the text outlines methods to roll back if issues arise and highlights opportunities for automating future upgrades or migrating to Octopus Cloud to avoid the hassle of manual updates. The document underscores the availability of customer support for those needing assistance with the upgrade process.