The latest major version of Strapi is Strapi 5. The upgrade tool and its codemods should automate some parts of the migration from v4 to Strapi 5. Additional information is also given below about breaking changes and dedicated migration resources for specific topics.
Strapi periodically releases code improvements through new versions. New Strapi versions are announced in both the terminal and in the administration panel, and GitHub release notes list what is new with each new version.
The Strapi upgrade tool is a CLI command that helps automatically upgrading to a new Strapi version.
Strapi 5 beta brings many new features and improvements, and this page quickly highlights the most important documentation changes.