Mattermost Third-Party Maintenance & Support
Third-party support keeps Mattermost software covered — including releases past their vendor end-of-life dates. Our 24/7 engineers manage issues, remediate vulnerabilities, and help you maintain compliance, independent of the vendor contract.
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Popular Mattermost Products
View all →Mattermost 10.0
Server SoftwareEOSL: Dec 15, 2024
Mattermost 10.1
Server SoftwareEOSL: Jan 15, 2025
Mattermost 10.10
Server SoftwareEOSL: Oct 15, 2025
Mattermost 10.11
Server SoftwareEOSL: Aug 15, 2026
Mattermost 10.12
Server SoftwareEOSL: Dec 15, 2025
Mattermost 10.2
Server SoftwareEOSL: Feb 15, 2025
Mattermost 10.3
Server SoftwareEOSL: Mar 15, 2025
Mattermost 10.4
Server SoftwareEOSL: Apr 15, 2025
Mattermost 10.5 (ESR)
Server SoftwareEOSL: Nov 15, 2025
Mattermost 10.6
Server SoftwareEOSL: Jun 15, 2025
Mattermost 10.7
Server SoftwareEOSL: Jul 15, 2025
Mattermost 10.8
Server SoftwareEOSL: Aug 15, 2025
Mattermost EOSL Dates
- Mattermost 10.11EOSL: Aug 15, 2026
- Mattermost 11.8EOSL: Sep 15, 2026
- Mattermost 11.6EOSL: Jul 15, 2026
- Mattermost 11.9EOSL: Oct 15, 2026
- Mattermost 11.5EOSL: Jun 15, 2026
- Mattermost 11.10EOSL: Nov 15, 2026
- Mattermost 11.4EOSL: May 15, 2026
- Mattermost 11.3EOSL: Apr 15, 2026
- Mattermost 11.2EOSL: Mar 15, 2026
- Mattermost 11.1EOSL: Feb 15, 2026
All Mattermost Models
- Mattermost 10.0 (EOSL: Dec 15, 2024)
- Mattermost 10.1 (EOSL: Jan 15, 2025)
- Mattermost 10.10 (EOSL: Oct 15, 2025)
- Mattermost 10.11 (EOSL: Aug 15, 2026)
- Mattermost 10.12 (EOSL: Dec 15, 2025)
- Mattermost 10.2 (EOSL: Feb 15, 2025)
- Mattermost 10.3 (EOSL: Mar 15, 2025)
- Mattermost 10.4 (EOSL: Apr 15, 2025)
- Mattermost 10.5 (ESR) (EOSL: Nov 15, 2025)
- Mattermost 10.6 (EOSL: Jun 15, 2025)
- Mattermost 10.7 (EOSL: Jul 15, 2025)
- Mattermost 10.8 (EOSL: Aug 15, 2025)
- Mattermost 10.9 (EOSL: Sep 15, 2025)
- Mattermost 11.0 (EOSL: Jan 15, 2026)
- Mattermost 11.1 (EOSL: Feb 15, 2026)
- Mattermost 11.10 (EOSL: Nov 15, 2026)
- Mattermost 11.2 (EOSL: Mar 15, 2026)
- Mattermost 11.3 (EOSL: Apr 15, 2026)
- Mattermost 11.4 (EOSL: May 15, 2026)
- Mattermost 11.5 (EOSL: Jun 15, 2026)
- Mattermost 11.6 (EOSL: Jul 15, 2026)
- Mattermost 11.7 (EOSL: May 15, 2027)
- Mattermost 11.8 (EOSL: Sep 15, 2026)
- Mattermost 11.9 (EOSL: Oct 15, 2026)
- Mattermost 6.0 (EOSL: Jan 15, 2022)
- Mattermost 6.1 (EOSL: Feb 15, 2022)
- Mattermost 6.2 (EOSL: Mar 15, 2022)
- Mattermost 6.3 (ESR) (EOSL: Oct 15, 2022)
- Mattermost 6.4 (EOSL: May 15, 2022)
- Mattermost 6.5 (EOSL: Jun 15, 2022)
- Mattermost 6.6 (EOSL: Jul 15, 2022)
- Mattermost 6.7 (EOSL: Aug 15, 2022)
- Mattermost 7.0 (EOSL: Sep 15, 2022)
- Mattermost 7.10 (EOSL: Aug 15, 2023)
- Mattermost 7.1 (ESR) (EOSL: May 15, 2023)
- Mattermost 7.2 (EOSL: Nov 15, 2022)
- Mattermost 7.3 (EOSL: Dec 15, 2022)
- Mattermost 7.4 (EOSL: Jan 15, 2023)
- Mattermost 7.5 (ESR) (EOSL: Feb 15, 2023)
- Mattermost 7.7 (EOSL: Apr 15, 2023)
- Mattermost 7.8 (ESR) (EOSL: Nov 15, 2023)
- Mattermost 7.9 (EOSL: Jul 15, 2023)
- Mattermost 8.0 (EOSL: Oct 15, 2023)
- Mattermost 8.1 (ESR) (EOSL: May 15, 2024)
- Mattermost 9.0 (EOSL: Dec 15, 2023)
- Mattermost 9.1 (EOSL: Jan 15, 2024)
- Mattermost 9.10 (EOSL: Oct 15, 2024)
- Mattermost 9.11 (ESR) (EOSL: May 15, 2025)
- Mattermost 9.2 (EOSL: Feb 15, 2024)
- Mattermost 9.3 (EOSL: Mar 15, 2024)
- Mattermost 9.4 (EOSL: Apr 15, 2024)
- Mattermost 9.5 (EOSL: Nov 15, 2024)
- Mattermost 9.6 (EOSL: Jun 15, 2024)
- Mattermost 9.7 (EOSL: Jul 15, 2024)
- Mattermost 9.8 (EOSL: Aug 15, 2024)
- Mattermost 9.9 (EOSL: Sep 15, 2024)
Mattermost support
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