Upgrade Index

Stay up to date with the latest features and improvements.

• Important upgrade notes - Find version-specific upgrade considerations.
• Prepare to upgrade Mattermost - Learn how to prepare for a Mattermost upgrade.
• Communicate scheduled maintenance best practices - Learn best practices for communicating scheduled server maintenance in advance of a service maintenance window.
• Upgrade Mattermost Server - Learn the basics of upgrading your Mattermost server to the latest version.
• Upgrade Mattermost in Kubernetes and High Availability environments - Learn how to upgrade Mattermost in Kubernetes and High Availability environments.
• Upgrade PostgreSQL - Learn how to upgrade your PostgreSQL database server.
• Upgrade Team Edition to Enterprise Edition - Learn how to upgrade your Mattermost Team Edition server to Enterprise Edition.
• Downgrade Mattermost Server - Find out how to roll back to older versions of Mattermost.

After you upgrade

• Administrator onboarding tasks - Learn about the onboarding tasks for administrators after an upgrade.
• Enterprise roll-out checklist - Learn about the roll-out checklist for enterprise users.
• Welcome email to end users - Learn how to send a welcome email to end users after an upgrade.

Reference

• Open source components - Find out about the open source components used in Mattermost.