Vigia

Mattermost end-of-life dates and support status

As of 2026-10-08, the supported Mattermost versions are 11.11, 11.10, 11.9, 11.7.

VersionStatusReleasedActive support untilEnd of lifeLatest
11.11Supported2026-09-16—2026-12-1511.11.1
11.10Supported2026-08-14—2026-11-1511.10.2
11.9Supported2026-07-16—2026-10-1511.9.2
11.8End of life2026-06-16—2026-09-1511.8.5
11.7Supported2026-05-15—2027-05-1511.7.11
11.6End of life2026-04-16—2026-07-1511.6.6
11.5End of life2026-03-16—2026-06-1511.5.7
11.4End of life2026-02-16—2026-05-1511.4.5
11.3End of life2026-01-16—2026-04-1511.3.3
11.2End of life2025-12-16—2026-03-1511.2.4
11.1End of life2025-11-14—2026-02-1511.1.3
11.0End of life2025-10-16—2026-01-1511.0.7
10.12End of life2025-09-16—2025-12-1510.12.4
10.11End of life2025-08-15—2026-08-1510.11.24
10.10End of life2025-07-16—2025-10-1510.10.3
10.9End of life2025-06-16—2025-09-1510.9.5
10.8End of life2025-05-16—2025-08-1510.8.4
10.7End of life2025-04-16—2025-07-1510.7.4
10.6End of life2025-03-16—2025-06-1510.6.6
10.5 LTSEnd of life2025-02-16—2025-11-1510.5.14
10.4End of life2025-01-16—2025-04-1510.4.5
10.3End of life2024-12-16—2025-03-1510.3.4
10.2End of life2024-11-15—2025-02-1510.2.3
10.1End of life2024-10-16—2025-01-1510.1.7
10.0End of life2024-09-16—2024-12-1510.0.4
9.11 LTSEnd of life2024-08-02—2025-05-159.11.18
9.10End of life2024-06-28—2024-10-159.10.3
9.9End of life2024-05-31—2024-09-159.9.3
9.8End of life2024-05-03—2024-08-159.8.3
9.7End of life2024-04-03—2024-07-159.7.6
9.6End of life2024-03-01—2024-06-159.6.3
9.5End of life2024-02-02—2024-11-159.5.14
9.4End of life2024-01-08—2024-04-159.4.5
9.3End of life2023-12-05—2024-03-159.3.3
9.2End of life2023-11-06—2024-02-159.2.6
9.1End of life2023-10-13—2024-01-159.1.5
9.0End of life2023-09-14—2023-12-159.0.5
8.1 LTSEnd of life2023-08-10—2024-05-158.1.13
8.0End of life2023-07-09—2023-10-158.0.4
7.10End of life2023-04-12—2023-08-157.10.5
7.9End of life2023-03-14—2023-07-157.9.6
7.8 LTSEnd of life2023-02-14—2023-11-157.8.15
7.7End of life2023-01-13—2023-04-157.7.4
7.5 LTSEnd of life2022-11-09—2023-02-157.5.2
7.4End of life2022-10-12—2023-01-157.4.1
7.3End of life2022-09-14—2022-12-157.3.1
7.2End of life2022-08-11—2022-11-157.2.1
7.1 LTSEnd of life2022-07-13—2023-05-157.1.9
7.0End of life2022-06-13—2022-09-157.0.2
6.7End of life2022-05-11—2022-08-156.7.2
6.6End of life2022-04-07—2022-07-156.6.2
6.5End of life2022-03-11—2022-06-156.5.2
6.4End of life2022-02-15—2022-05-156.4.3
6.3 LTSEnd of life2022-01-13—2022-10-156.3.10
6.2End of life2021-12-13—2022-03-156.2.5
6.1End of life2021-11-11—2022-02-156.1.3
6.0End of life2021-10-08—2022-01-156.0.4

Status is computed from today's date. "Security fixes only" means active support has ended but security fixes continue until end of life. Source: endoflife.date · release policy. Verified 2026-10-08.

Frequently asked questions

Which Mattermost versions are still supported?

As of 2026-10-08, the supported Mattermost versions are 11.11, 11.10, 11.9, 11.7. Versions not listed are end of life and no longer receive security fixes.

What is the latest Mattermost version?

The newest Mattermost release cycle is 11.11, whose latest version is 11.11.1 (2026-09-24).

Give your AI agent these facts

Vigia is a free MCP server: your coding agent checks versions, breaking changes and vulnerabilities before it writes code. No signup, no API key.

claude mcp add --transport http vigia https://vigia.coredls.cloud/mcp

Add to CursorAdd to VS Code★ Star on GitHub

Any other MCP client
{ "mcpServers": { "vigia": { "url": "https://vigia.coredls.cloud/mcp" } } }

Agent skill (SKILL.md): tells the agent when to use Vigia · GitHub Action for pull requests

For agents

GET https://vigia.coredls.cloud/v1/eol/mattermost
GET https://vigia.coredls.cloud/v1/eol/mattermost/11.11