Welcome to Umbraco 9
With Umbraco 9 comes a brand new .NET Core framework, a complete update of the Umbraco technology stack
Which version should I migrate to?
All projects can be migrated. How big of a task it will be, will depend on your current solution setup. Most of the changes are intended for developers so the content editing experience does not change much with Umbraco 9. If you’re a developer currently using Umbraco 8 or another CMS solution, we can help you decide which version of Umbraco is best for you to migrate to.