Upgrading Mattermost is essential to ensure security, stability, and access to new features. It is strongly recommended to follow the official upgrade path by going through each Extended Support Release (ESR) version. Skipping ESR versions can lead to compatibility issues and database migration failures.
Recommended Upgrade Path
To upgrade from v5.19 to v10.5, follow this sequential upgrade path:
| Release |
|---|
| v5.19 |
| v5.25 |
| v5.31 |
| v5.37 |
| v6.3 |
| v7.1 |
| v7.8 |
| v8.1 |
| v9.5 |
| v9.11 |
| v10.5 |
Upgrade Considerations
- Versions before
v8include significant database migrations, which may require additional hardware resources. Plan accordingly to prevent performance issues. - Always perform a full database backup before each upgrade step.
- Ensure your database version meets Mattermost’s requirements:
- For the latest ESR versions, MySQL 8 or PostgreSQL 13 is required.
- If you are using an older database version, it may also need to be upgraded.
- Consult the Important Upgrade Notes before proceeding.
- Refer to the release changelogs to review changes and potential impacts.
- If upgrading from a tarball deployment, follow the official upgrade guide.
Following this path ensures compatibility and minimizes risks associated with database migrations.
Additional Resources
If you need further assistance, please reach out to Mattermost support or consult the community forums.
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