Mattermost
Secure collaboration platform for team communication and workflow automation
Alternative to: Slack, Microsoft Teams, Discord, Rocket.Chat, Zulip, Matterbridge, Wire, Twist
v11.1.1
2025-11-21Mattermost Platform 11.1.1 focuses on security fixes and stability improvements.
v11.0.6
2025-11-21Mattermost Platform 11.0.6 delivers security fixes and stability improvements with minor bug fixes.
v10.12.4
2025-11-21Mattermost Platform 10.12.4 delivers security fixes, bug fixes, and performance improvements to enhance stability and reliability.
v10.11.8
2025-11-21Please share the 10.11.8 release notes or key changes so I can summarize the main fixes and improvements.
v11.0.5
2025-11-17Mattermost Platform Release 11.0.5 ships medium-severity security fixes.
v10.12.3
2025-11-17Mattermost Platform 10.12.3 fixes multiple medium-severity security vulnerabilities and should be updated.
v10.11.7
2025-11-17Mattermost Platform Extended Support Release 10.11.7 includes low to medium severity security fixes.
v11.1.0
2025-11-10Mattermost Platform 11.1.0 adds QoL improvements with Agents Token Accounting, Conditional Playbooks, Data Spillage Handling v1, and Playbooks Properties.
v10.11.6
2025-11-04Mattermost Platform Extended Support Release 10.11.6 includes bug fixes to improve stability and reliability.
v10.5.14
2025-10-30Mattermost Platform Extended Support Release 10.5.14 includes a bug fix to improve stability.
v11.0.4
2025-10-28Mattermost Platform 11.0.4 delivers critical-security fixes addressing high-severity vulnerabilities.
v10.5.13
2025-10-28Mattermost Platform Extended Support Release 10.5.13 includes critical security fixes.
v10.12.2
2025-10-28Mattermost Platform 10.12.2 delivers critical security fixes addressing high-severity vulnerabilities to improve overall security.
v10.11.5
2025-10-28Mattermost Platform Extended Support Release 10.11.5 includes critical security fixes.
v10.5.12
2025-10-15Mattermost Platform Extended Support Release 10.5.12 delivers security fixes across low to high severities.
v10.12.1
2025-10-15Mattermost Platform 10.12.1 ships security fixes across low to high severities, addressing multiple vulnerabilities and improving overall security.
v10.11.4
2025-10-15Mattermost Platform Extended Support Release 10.11.4 delivers security fixes across low to high severities.
v11.0.2
2025-10-13Mattermost 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
2025-09-16Mattermost Platform Extended Support Release 10.11.3 delivers security fixes across low to high severities.
v10.10.3
2025-09-16Mattermost Platform Release 10.10.3 includes security fixes across low to high severities.
v10.5.11
2025-09-10Mattermost Platform Extended Support Release 10.5.11 delivers security fixes across low-to-high severities.
v10.12.0
2025-09-03Mattermost Platform 10.12.0 delivers multiple quality‑of‑life improvements to streamline workflows, boost usability, and enhance performance across the platform.
v10.11.2
2025-08-22Mattermost Platform Extended Support Release 10.11.2 delivers bug fixes to improve stability and reliability.
v10.9.5
2025-08-15Mattermost Platform Release 10.9.5 fixes a high-severity security vulnerability.
v10.5.10
2025-08-15Mattermost Platform Extended Support Release 10.5.10 includes security fixes across low to high severities.
v10.10.2
2025-08-14Mattermost Platform Release 10.10.2 fixes multiple medium-to-high severity security vulnerabilities to enhance overall platform security.
v10.11.1
2025-08-08Mattermost Platform Extended Support Release 10.11.1 adds mobile Playbooks support and other quality‑of‑life improvements for servers.
v9.11.18
2025-07-22Mattermost Platform Extended Support Release 9.11.18 includes low to medium severity security fixes.
v10.9.4
2025-07-22Mattermost Platform Release 10.9.4 fixes medium-severity security vulnerabilities, improving security posture and reducing exposure.
v10.8.4
2025-07-22Mattermost Platform 10.8.4 includes medium-severity security fixes to address vulnerabilities and improve overall security.
v10.5.9
2025-07-22Mattermost Platform Extended Support Release 10.5.9 delivers low to medium severity security fixes.
v10.10.1
2025-07-10Mattermost 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
2025-06-18Mattermost Platform Extended Support Release 9.11.17 includes high-severity security fixes.
v10.8.3
2025-06-18Mattermost Platform v10.8.3 includes a medium-severity security fix addressing a vulnerability.
v10.7.4
2025-06-18Mattermost Platform 10.7.4 delivers fixes for high-severity security vulnerabilities, improving overall security and resilience.
v10.5.8
2025-06-18Mattermost Platform Extended Support Release 10.5.8 patches a high-severity security vulnerability.
v10.9.1
2025-06-17Mattermost Platform 10.9.1 adds user attributes for channel access control and introduces channel classification banners.
v10.9.0
2025-06-04Please share the Mattermost Platform 10.9.0 release notes, and I’ll summarize the key changes in one concise sentence.
v10.8.2
2025-05-29Mattermost Platform 10.8.2 fixes bugs and improves stability and security.
v10.5.7
2025-05-27Mattermost Platform Extended Support Release 10.5.7 delivers bug fixes to improve stability and reliability.
v9.11.16
2025-05-21Mattermost Platform Extended Support Release 9.11.16 includes medium to critical security fixes and should be updated promptly.
v10.7.3
2025-05-21Mattermost Platform 10.7.3 patches multiple medium-to-critical security vulnerabilities, improving overall security across components.
v10.6.6
2025-05-21Mattermost Platform Release 10.6.6 includes medium to critical security fixes to address multiple vulnerabilities.
v10.5.6
2025-05-21Mattermost Platform Extended Support Release 10.5.6 provides medium to critical security fixes; upgrade to mitigate vulnerabilities.
v10.8.1
2025-05-20Mattermost Platform Release 10.8.1 includes security fixes across medium to critical severity, addressing multiple vulnerabilities and improving overall security posture.
v10.6.5
2025-05-15Mattermost Platform Release 10.6.5 delivers multiple bug fixes to improve stability and reliability across the platform.
v10.7.2
2025-05-12Mattermost Platform Release 10.7.2 includes low to medium severity security fixes.
v10.6.4
2025-05-12Mattermost Platform 10.6.4 includes security fixes across low to medium severity.
v9.5.14
2025-05-09Mattermost Platform Extended Support Release 9.5.14 delivers multiple bug fixes to improve stability and reliability.
v9.11.15
2025-05-09Mattermost Platform Extended Support Release 9.11.15 includes low-to-medium severity security fixes.
v10.5.5
2025-05-09Mattermost Platform Extended Support Release 10.5.5 includes low to medium severity security fixes.
v10.8.0
2025-05-06Mattermost Platform 10.8.0 introduces several quality-of-life improvements across the platform, enhancing usability, performance, and workflow efficiency.
v9.11.14
2025-05-05Mattermost Platform Extended Support Release 9.11.14 includes a medium-severity security fix.
v9.11.13
2025-04-29Mattermost Platform Extended Support Release 9.11.13 includes low- to medium-severity security fixes.
v10.6.3
2025-04-29Mattermost Platform Release 10.6.3 includes low to medium severity security fixes.
v10.5.4
2025-04-29Mattermost Platform Extended Support Release 10.5.4 includes low to medium severity security fixes.
v10.7.1
2025-04-23Mattermost Platform 10.7.1 delivers low-to-medium severity security fixes.
v9.11.12
2025-04-15Mattermost Platform Extended Support Release 9.11.12 includes security fixes of low to medium severity.
v10.6.2
2025-04-15Mattermost Platform Release 10.6.2 delivers low to medium security fixes, improving overall security posture.
v10.5.3
2025-04-15Mattermost Platform Extended Support Release 10.5.3 delivers low to medium severity security fixes.
v10.4.5
2025-04-15Mattermost Platform 10.4.5 includes low-to-medium severity security fixes and stability improvements.
v10.7.0
2025-04-03Mattermost Platform 10.7.0 delivers multiple quality-of-life improvements across the UI, performance, and workflow, enhancing usability and daily efficiency.
v9.11.11
2025-03-24Mattermost Platform Extended Support Release 9.11.11 delivers low to medium severity security fixes and ongoing stability improvements.
v9.11.10
2025-03-17Mattermost Platform 9.11.10 includes security fixes across low to high severities to strengthen overall security.
v10.5.2
2025-03-17Mattermost Platform 10.5.2 delivers security fixes across low to high severity levels.
v10.4.4
2025-03-17Mattermost Platform 10.4.4 fixes multiple security vulnerabilities across low to high severities, enhancing overall security and reducing risk.
v10.6.1
2025-03-14Mattermost Platform Release 10.6.1 includes bug fixes.
v10.6.0
2025-03-12Mattermost Platform 10.6.0 introduces quality-of-life improvements and PostgreSQL performance enhancements for better usability, stability, and scalability.
v9.11.9
2025-02-19Mattermost Platform Extended Support Release 9.11.9 delivers security fixes ranging from low to high severity.
v10.5.1
2025-02-19Mattermost Platform Release 10.5.1 (Extended Support) introduces a complete Compliance Export overhaul along with improvements, bug fixes, and breaking changes.
v10.4.3
2025-02-19Mattermost Platform 10.4.3 delivers multiple security fixes across low to high severity levels.
v10.3.4
2025-02-19Mattermost Platform Release 10.3.4 delivers security fixes across low to high severities.
v10.3.3
2025-01-23Mattermost Platform 10.3.3 delivers critical security fixes; upgrade immediately to mitigate vulnerabilities and enhance overall security.
v9.11.8
2025-01-22Mattermost Platform Extended Support Release 9.11.8 includes critical security fixes; upgrade promptly to mitigate vulnerabilities.
v10.4.2
2025-01-22Mattermost 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
2025-01-22Mattermost Platform 10.2.3 ships critical security fixes; apply this update promptly to mitigate high-severity vulnerabilities and improve overall security.
v9.11.7
2025-01-15Mattermost Platform Extended Support Release 9.11.7 includes medium-severity security fixes to address known vulnerabilities.
v10.3.2
2025-01-15Mattermost Platform 10.3.2 delivers medium-severity security fixes, addressing vulnerabilities and improving overall security posture.
v10.2.2
2025-01-15Mattermost Platform 10.2.2 delivers medium-severity security fixes to improve security and stability.
v10.1.7
2025-01-15Mattermost Platform 10.1.7 delivers medium severity security fixes to address vulnerabilities and improve overall security.
v10.4.1
2025-01-09Mattermost Platform Release 10.4.1 delivers stability and performance improvements with multiple bug fixes and security hardening.
v10.1.6
2024-12-20Mattermost Platform Release 10.1.6 restores System Administrators' access to Direct and Group Messages even when not members.
v10.1.5
2024-12-18Mattermost 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
2024-12-11Mattermost Platform 10.3.1 introduces improvements and bug fixes, highlighted by the addition of Scheduled Messages.
v9.11.6
2024-12-10Mattermost Platform Extended Support Release 9.11.6 delivers medium-severity security fixes to enhance system security and reliability.
v10.2.1
2024-12-10Mattermost Platform Release 10.2.1 includes medium-severity security fixes.
v10.1.4
2024-12-10Mattermost Platform 10.1.4 includes medium-severity security fixes to improve security posture and stability.
v10.0.4
2024-12-10Mattermost Platform Release 10.0.4 ships medium-severity security fixes focused on security hardening and patching vulnerabilities.
v9.5.13
2024-11-14Mattermost Platform Extended Support Release 9.5.13 includes medium-severity security fixes.
v9.11.5
2024-11-14Mattermost Platform Extended Support Release 9.11.5 includes fixes for medium severity security vulnerabilities.
v10.1.3
2024-11-14Mattermost Platform 10.1.3 delivers medium severity security fixes and recommends updating to address vulnerabilities.
v10.0.3
2024-11-14Mattermost Platform Release 10.0.3 includes medium severity security fixes to address vulnerabilities.
v10.2.0
2024-11-01Mattermost Platform 10.2.0 brings improvements and bug fixes, including the new Connected Workspaces (Beta) feature.
v9.5.12
2024-10-28Mattermost Platform Extended Support Release 9.5.12 includes a high-severity security fix.
v9.11.4
2024-10-28Mattermost Platform Extended Support Release 9.11.4 includes a high-severity security fix.
v10.0.2
2024-10-28Mattermost Platform Release 10.0.2 includes a high-severity security fix addressing a critical vulnerability; no new features.
v10.1.2
2024-10-22Mattermost Platform Release 10.1.2 includes a high-severity security fix addressing a critical vulnerability.
v9.5.11
2024-10-10Mattermost Platform Extended Support Release 9.5.11 includes low- to medium-severity security fixes.
v9.11.3
2024-10-10Mattermost Platform Extended Support Release 9.11.3 includes low to medium severity security fixes.
v10.0.1
2024-10-10Mattermost Platform 10.0.1 ships with security fixes targeting low to medium severity vulnerabilities.
v10.1.1
2024-10-04Mattermost Platform Release 10.1.1 delivers multiple improvements and bug fixes, with the new channel bookmarks feature.
v9.5.10
2024-09-26Mattermost Platform Extended Support Release 9.5.10 delivers security fixes across low to medium severity.
v9.11.2
2024-09-26Mattermost Platform Extended Support Release 9.11.2 includes fixes for low to medium severity security vulnerabilities.
v9.10.3
2024-09-26Mattermost Platform 9.10.3 delivers fixes for low to medium severity security vulnerabilities.
v10.0.0
2024-09-03Mattermost Platform 10.0.0 debuts major features including Microsoft Teams, Microsoft Calendar, and Teams Meetings plugins, Copilot GA, plus extensive enhancements.
v9.9.3
2024-08-27Mattermost Platform 9.9.3 patches low- to medium-severity security vulnerabilities to improve overall security.
v9.5.9
2024-08-27Mattermost Platform Extended Support Release 9.5.9 delivers security fixes for low to medium severity vulnerabilities, along with minor stability improvements.
v9.11.1
2024-08-21Mattermost Platform Extended Support Release 9.11.1 delivers security fixes for low to medium severity vulnerabilities.