Mattermost Platform Extended Support Release 10.11.10 contains low to medium severity level security fixes.

Mattermost Platform Release 11.2.2 contains medium severity level security fixes.

Mattermost Platform Release 11.1.3 contains medium severity level security fixes.

Mattermost Platform Release 11.3.0 contains multiple new quality of life improvements, including burn-on-read messages, easy login, Agents MCP universal connector, web search (OpenAI, Anthropic), Korean language support, and multi-windows plugins right-hand side.

Mattermost Platform Release 11.3.0-rc4

Mattermost Platform Release 11.3.0-rc3

Mattermost Platform Release 11.3.0-rc2

Mattermost Platform Release 11.2.1 contains multiple new quality of life improvements, including Multi-Window Threads and Channel Checklists.

Mattermost Platform Release 11.3.0-rc1

Mattermost Platform Release 11.2.1-rc1