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Mattermost

Secure collaboration platform for team communication and workflow automation

Alternative to: Slack, Microsoft Teams, Discord, Rocket.Chat, Zulip, Matterbridge, Wire, Twist


About Versions (108)

v11.1.1

2025-11-21

Mattermost Platform 11.1.1 focuses on security fixes and stability improvements.

v11.0.6

2025-11-21

Mattermost Platform 11.0.6 delivers security fixes and stability improvements with minor bug fixes.

v10.12.4

2025-11-21

Mattermost Platform 10.12.4 delivers security fixes, bug fixes, and performance improvements to enhance stability and reliability.

v10.11.8

2025-11-21

Please share the 10.11.8 release notes or key changes so I can summarize the main fixes and improvements.

v11.0.5

2025-11-17

Mattermost Platform Release 11.0.5 ships medium-severity security fixes.

v10.12.3

2025-11-17

Mattermost Platform 10.12.3 fixes multiple medium-severity security vulnerabilities and should be updated.

v10.11.7

2025-11-17

Mattermost Platform Extended Support Release 10.11.7 includes low to medium severity security fixes.

v11.1.0

2025-11-10

Mattermost Platform 11.1.0 adds QoL improvements with Agents Token Accounting, Conditional Playbooks, Data Spillage Handling v1, and Playbooks Properties.

v10.11.6

2025-11-04

Mattermost Platform Extended Support Release 10.11.6 includes bug fixes to improve stability and reliability.

v10.5.14

2025-10-30

Mattermost Platform Extended Support Release 10.5.14 includes a bug fix to improve stability.

v11.0.4

2025-10-28

Mattermost Platform 11.0.4 delivers critical-security fixes addressing high-severity vulnerabilities.

v10.5.13

2025-10-28

Mattermost Platform Extended Support Release 10.5.13 includes critical security fixes.

v10.12.2

2025-10-28

Mattermost Platform 10.12.2 delivers critical security fixes addressing high-severity vulnerabilities to improve overall security.

v10.11.5

2025-10-28

Mattermost Platform Extended Support Release 10.11.5 includes critical security fixes.

v10.5.12

2025-10-15

Mattermost Platform Extended Support Release 10.5.12 delivers security fixes across low to high severities.

v10.12.1

2025-10-15

Mattermost Platform 10.12.1 ships security fixes across low to high severities, addressing multiple vulnerabilities and improving overall security.

v10.11.4

2025-10-15

Mattermost Platform Extended Support Release 10.11.4 delivers security fixes across low to high severities.

v11.0.2

2025-10-13

Mattermost Platform 11.0.2 adds QoL improvements including Entry SKU, Admin-managed properties for Custom Profile Attributes, FIPS v1, Channel Admin Policy Controls, plus breaking changes and deprecations.

v10.11.3

2025-09-16

Mattermost Platform Extended Support Release 10.11.3 delivers security fixes across low to high severities.

v10.10.3

2025-09-16

Mattermost Platform Release 10.10.3 includes security fixes across low to high severities.

v10.5.11

2025-09-10

Mattermost Platform Extended Support Release 10.5.11 delivers security fixes across low-to-high severities.

v10.12.0

2025-09-03

Mattermost Platform 10.12.0 delivers multiple quality‑of‑life improvements to streamline workflows, boost usability, and enhance performance across the platform.

v10.11.2

2025-08-22

Mattermost Platform Extended Support Release 10.11.2 delivers bug fixes to improve stability and reliability.

v10.9.5

2025-08-15

Mattermost Platform Release 10.9.5 fixes a high-severity security vulnerability.

v10.5.10

2025-08-15

Mattermost Platform Extended Support Release 10.5.10 includes security fixes across low to high severities.

v10.10.2

2025-08-14

Mattermost Platform Release 10.10.2 fixes multiple medium-to-high severity security vulnerabilities to enhance overall platform security.

v10.11.1

2025-08-08

Mattermost Platform Extended Support Release 10.11.1 adds mobile Playbooks support and other quality‑of‑life improvements for servers.

v9.11.18

2025-07-22

Mattermost Platform Extended Support Release 9.11.18 includes low to medium severity security fixes.

v10.9.4

2025-07-22

Mattermost Platform Release 10.9.4 fixes medium-severity security vulnerabilities, improving security posture and reducing exposure.

v10.8.4

2025-07-22

Mattermost Platform 10.8.4 includes medium-severity security fixes to address vulnerabilities and improve overall security.

v10.5.9

2025-07-22

Mattermost Platform Extended Support Release 10.5.9 delivers low to medium severity security fixes.

v10.10.1

2025-07-10

Mattermost Platform 10.10.1 adds Shared Direct/Group Messages, LDAP Wizard, and experimental AI-enhanced Search, plus various quality-of-life improvements.

v9.11.17

2025-06-18

Mattermost Platform Extended Support Release 9.11.17 includes high-severity security fixes.

v10.8.3

2025-06-18

Mattermost Platform v10.8.3 includes a medium-severity security fix addressing a vulnerability.

v10.7.4

2025-06-18

Mattermost Platform 10.7.4 delivers fixes for high-severity security vulnerabilities, improving overall security and resilience.

v10.5.8

2025-06-18

Mattermost Platform Extended Support Release 10.5.8 patches a high-severity security vulnerability.

v10.9.1

2025-06-17

Mattermost Platform 10.9.1 adds user attributes for channel access control and introduces channel classification banners.

v10.9.0

2025-06-04

Please share the Mattermost Platform 10.9.0 release notes, and I’ll summarize the key changes in one concise sentence.

v10.8.2

2025-05-29

Mattermost Platform 10.8.2 fixes bugs and improves stability and security.

v10.5.7

2025-05-27

Mattermost Platform Extended Support Release 10.5.7 delivers bug fixes to improve stability and reliability.

v9.11.16

2025-05-21

Mattermost Platform Extended Support Release 9.11.16 includes medium to critical security fixes and should be updated promptly.

v10.7.3

2025-05-21

Mattermost Platform 10.7.3 patches multiple medium-to-critical security vulnerabilities, improving overall security across components.

v10.6.6

2025-05-21

Mattermost Platform Release 10.6.6 includes medium to critical security fixes to address multiple vulnerabilities.

v10.5.6

2025-05-21

Mattermost Platform Extended Support Release 10.5.6 provides medium to critical security fixes; upgrade to mitigate vulnerabilities.

v10.8.1

2025-05-20

Mattermost Platform Release 10.8.1 includes security fixes across medium to critical severity, addressing multiple vulnerabilities and improving overall security posture.

v10.6.5

2025-05-15

Mattermost Platform Release 10.6.5 delivers multiple bug fixes to improve stability and reliability across the platform.

v10.7.2

2025-05-12

Mattermost Platform Release 10.7.2 includes low to medium severity security fixes.

v10.6.4

2025-05-12

Mattermost Platform 10.6.4 includes security fixes across low to medium severity.

v9.5.14

2025-05-09

Mattermost Platform Extended Support Release 9.5.14 delivers multiple bug fixes to improve stability and reliability.

v9.11.15

2025-05-09

Mattermost Platform Extended Support Release 9.11.15 includes low-to-medium severity security fixes.

v10.5.5

2025-05-09

Mattermost Platform Extended Support Release 10.5.5 includes low to medium severity security fixes.

v10.8.0

2025-05-06

Mattermost Platform 10.8.0 introduces several quality-of-life improvements across the platform, enhancing usability, performance, and workflow efficiency.

v9.11.14

2025-05-05

Mattermost Platform Extended Support Release 9.11.14 includes a medium-severity security fix.

v9.11.13

2025-04-29

Mattermost Platform Extended Support Release 9.11.13 includes low- to medium-severity security fixes.

v10.6.3

2025-04-29

Mattermost Platform Release 10.6.3 includes low to medium severity security fixes.

v10.5.4

2025-04-29

Mattermost Platform Extended Support Release 10.5.4 includes low to medium severity security fixes.

v10.7.1

2025-04-23

Mattermost Platform 10.7.1 delivers low-to-medium severity security fixes.

v9.11.12

2025-04-15

Mattermost Platform Extended Support Release 9.11.12 includes security fixes of low to medium severity.

v10.6.2

2025-04-15

Mattermost Platform Release 10.6.2 delivers low to medium security fixes, improving overall security posture.

v10.5.3

2025-04-15

Mattermost Platform Extended Support Release 10.5.3 delivers low to medium severity security fixes.

v10.4.5

2025-04-15

Mattermost Platform 10.4.5 includes low-to-medium severity security fixes and stability improvements.

v10.7.0

2025-04-03

Mattermost Platform 10.7.0 delivers multiple quality-of-life improvements across the UI, performance, and workflow, enhancing usability and daily efficiency.

v9.11.11

2025-03-24

Mattermost Platform Extended Support Release 9.11.11 delivers low to medium severity security fixes and ongoing stability improvements.

v9.11.10

2025-03-17

Mattermost Platform 9.11.10 includes security fixes across low to high severities to strengthen overall security.

v10.5.2

2025-03-17

Mattermost Platform 10.5.2 delivers security fixes across low to high severity levels.

v10.4.4

2025-03-17

Mattermost Platform 10.4.4 fixes multiple security vulnerabilities across low to high severities, enhancing overall security and reducing risk.

v10.6.1

2025-03-14

Mattermost Platform Release 10.6.1 includes bug fixes.

v10.6.0

2025-03-12

Mattermost Platform 10.6.0 introduces quality-of-life improvements and PostgreSQL performance enhancements for better usability, stability, and scalability.

v9.11.9

2025-02-19

Mattermost Platform Extended Support Release 9.11.9 delivers security fixes ranging from low to high severity.

v10.5.1

2025-02-19

Mattermost Platform Release 10.5.1 (Extended Support) introduces a complete Compliance Export overhaul along with improvements, bug fixes, and breaking changes.

v10.4.3

2025-02-19

Mattermost Platform 10.4.3 delivers multiple security fixes across low to high severity levels.

v10.3.4

2025-02-19

Mattermost Platform Release 10.3.4 delivers security fixes across low to high severities.

v10.3.3

2025-01-23

Mattermost Platform 10.3.3 delivers critical security fixes; upgrade immediately to mitigate vulnerabilities and enhance overall security.

v9.11.8

2025-01-22

Mattermost Platform Extended Support Release 9.11.8 includes critical security fixes; upgrade promptly to mitigate vulnerabilities.

v10.4.2

2025-01-22

Mattermost Platform Release 10.4.2 delivers critical security fixes, addressing high-severity vulnerabilities and strengthening overall security; users should upgrade promptly to mitigate risks.

v10.2.3

2025-01-22

Mattermost Platform 10.2.3 ships critical security fixes; apply this update promptly to mitigate high-severity vulnerabilities and improve overall security.

v9.11.7

2025-01-15

Mattermost Platform Extended Support Release 9.11.7 includes medium-severity security fixes to address known vulnerabilities.

v10.3.2

2025-01-15

Mattermost Platform 10.3.2 delivers medium-severity security fixes, addressing vulnerabilities and improving overall security posture.

v10.2.2

2025-01-15

Mattermost Platform 10.2.2 delivers medium-severity security fixes to improve security and stability.

v10.1.7

2025-01-15

Mattermost Platform 10.1.7 delivers medium severity security fixes to address vulnerabilities and improve overall security.

v10.4.1

2025-01-09

Mattermost Platform Release 10.4.1 delivers stability and performance improvements with multiple bug fixes and security hardening.

v10.1.6

2024-12-20

Mattermost Platform Release 10.1.6 restores System Administrators' access to Direct and Group Messages even when not members.

v10.1.5

2024-12-18

Mattermost Platform Release 10.1.5 fixes a bug that prevented System Administrators from pulling posts in Direct Message channels they were not members of.

v10.3.1

2024-12-11

Mattermost Platform 10.3.1 introduces improvements and bug fixes, highlighted by the addition of Scheduled Messages.

v9.11.6

2024-12-10

Mattermost Platform Extended Support Release 9.11.6 delivers medium-severity security fixes to enhance system security and reliability.

v10.2.1

2024-12-10

Mattermost Platform Release 10.2.1 includes medium-severity security fixes.

v10.1.4

2024-12-10

Mattermost Platform 10.1.4 includes medium-severity security fixes to improve security posture and stability.

v10.0.4

2024-12-10

Mattermost Platform Release 10.0.4 ships medium-severity security fixes focused on security hardening and patching vulnerabilities.

v9.5.13

2024-11-14

Mattermost Platform Extended Support Release 9.5.13 includes medium-severity security fixes.

v9.11.5

2024-11-14

Mattermost Platform Extended Support Release 9.11.5 includes fixes for medium severity security vulnerabilities.

v10.1.3

2024-11-14

Mattermost Platform 10.1.3 delivers medium severity security fixes and recommends updating to address vulnerabilities.

v10.0.3

2024-11-14

Mattermost Platform Release 10.0.3 includes medium severity security fixes to address vulnerabilities.

v10.2.0

2024-11-01

Mattermost Platform 10.2.0 brings improvements and bug fixes, including the new Connected Workspaces (Beta) feature.

v9.5.12

2024-10-28

Mattermost Platform Extended Support Release 9.5.12 includes a high-severity security fix.

v9.11.4

2024-10-28

Mattermost Platform Extended Support Release 9.11.4 includes a high-severity security fix.

v10.0.2

2024-10-28

Mattermost Platform Release 10.0.2 includes a high-severity security fix addressing a critical vulnerability; no new features.

v10.1.2

2024-10-22

Mattermost Platform Release 10.1.2 includes a high-severity security fix addressing a critical vulnerability.

v9.5.11

2024-10-10

Mattermost Platform Extended Support Release 9.5.11 includes low- to medium-severity security fixes.

v9.11.3

2024-10-10

Mattermost Platform Extended Support Release 9.11.3 includes low to medium severity security fixes.

v10.0.1

2024-10-10

Mattermost Platform 10.0.1 ships with security fixes targeting low to medium severity vulnerabilities.

v10.1.1

2024-10-04

Mattermost Platform Release 10.1.1 delivers multiple improvements and bug fixes, with the new channel bookmarks feature.

v9.5.10

2024-09-26

Mattermost Platform Extended Support Release 9.5.10 delivers security fixes across low to medium severity.

v9.11.2

2024-09-26

Mattermost Platform Extended Support Release 9.11.2 includes fixes for low to medium severity security vulnerabilities.

v9.10.3

2024-09-26

Mattermost Platform 9.10.3 delivers fixes for low to medium severity security vulnerabilities.

v10.0.0

2024-09-03

Mattermost Platform 10.0.0 debuts major features including Microsoft Teams, Microsoft Calendar, and Teams Meetings plugins, Copilot GA, plus extensive enhancements.

v9.9.3

2024-08-27

Mattermost Platform 9.9.3 patches low- to medium-severity security vulnerabilities to improve overall security.

v9.5.9

2024-08-27

Mattermost Platform Extended Support Release 9.5.9 delivers security fixes for low to medium severity vulnerabilities, along with minor stability improvements.

v9.11.1

2024-08-21

Mattermost Platform Extended Support Release 9.11.1 delivers security fixes for low to medium severity vulnerabilities.