Upgrade Mattermost

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.

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