The launch of Jama 8 marked a large change in installing and upgrading Jama, due to the use of Docker and Replicated. Here are some resources to get you started.
We recommend performing incremental upgrades to each major version change before proceeding to our latest release: Incremental Step Upgrade Path for 8.x and Beyond
If you'd like a more in-depth walkthrough of how these pieces fit together, check out Upgrading to Jama 8.x One Pager.
See all help topics and articles pertaining to Jama 8.