Mattermost

This release provides general stability improvements and bug fixes for the Mattermost platform.

This release candidate update provides stability improvements and bug fixes for the Mattermost Platform.

This release addresses medium severity security vulnerabilities.

This release includes low to medium severity security fixes.

Mattermost Platform Release 11.9.0-rc2 is a release candidate update for the Mattermost platform.

This release includes security fixes for medium severity vulnerabilities.

This release addresses several low to medium severity security vulnerabilities.

Mattermost Platform Extended Support Release 11.7.5 delivers multiple bug fixes across core components to improve stability and reliability.

Mattermost Platform Release 11.8.1 includes medium-severity security fixes.

Mattermost Platform Extended Support Release 11.7.4 delivers medium-severity security fixes to address vulnerabilities.

Mattermost Platform Extended Support Release 11.7.3 delivers security fixes across low to medium severity.

Mattermost Platform 11.6.5 includes medium-severity security fixes.

Mattermost Platform Extended Support Release 10.11.20 delivers low- to medium-severity security fixes.

Mattermost Platform 11.6.4 delivers medium severity security fixes.

Mattermost Platform Release 11.5.7 delivers medium-severity security fixes to improve overall security.

Mattermost Platform Extended Support Release 10.11.19 includes medium-severity security fixes.

Mattermost Platform Extended Support Release 11.7.2 delivers fixes for medium-severity security vulnerabilities in this ESR update.

Mattermost Platform Release 11.6.3 includes medium-severity security fixes to address identified vulnerabilities.

Mattermost Platform 11.5.6 delivers medium-severity security fixes to address identified vulnerabilities.

Mattermost Platform Extended Support Release 10.11.18 delivers several low- to medium-severity security fixes.

Mattermost Platform Extended Support Release 11.7.1 ships with low to medium severity security fixes.

Mattermost Platform Release 11.6.2 includes medium to high severity security fixes.

Mattermost Platform Release 11.5.5 includes medium to high severity security fixes to improve overall security.

Mattermost Platform Extended Support Release 10.11.17 includes medium to high severity security fixes to improve system security.

Mattermost Platform Release 11.5.4 fixes medium-to-high severity security vulnerabilities.

Mattermost Platform 11.4.5 delivers medium-to-high severity security fixes to address vulnerabilities.

Mattermost Platform Extended Support Release 10.11.15 includes medium-to-high severity security fixes.

Mattermost Platform 11.6.1 includes security fixes addressing medium to high severity vulnerabilities.

Mattermost Platform 11.5.3 fixes bugs to improve stability and reliability.

Mattermost Platform 11.5.2 patches multiple medium-to-high severity security vulnerabilities and includes related fixes and hardening improvements.

Mattermost Platform Release 11.4.4 fixes multiple medium to high severity security vulnerabilities, improving overall security.

Mattermost Platform Extended Support Release 10.11.14 includes security fixes across low to high severities.

Mattermost Platform Release 11.4.3 ships with medium-severity security fixes addressing identified vulnerabilities.

Mattermost Platform Release 11.3.3 includes medium-severity security fixes.

Mattermost Platform Extended Support Release 10.11.13 fixes low to medium severity security issues.

Mattermost Platform 11.5.1 introduces CJK DB search, AI channel summarization, agents web search, user authoritative source, and channel auto-translation.

Mattermost Platform 11.4.2 delivers security fixes, bug fixes, and performance and stability improvements.

Mattermost Platform 11.3.2 includes medium-to-high severity security fixes to address vulnerabilities.

Mattermost Platform Release 11.4.1 includes fixes for medium to high severity security vulnerabilities.

Mattermost Platform Release 11.2.4 includes medium to high severity security fixes to address vulnerabilities.

Mattermost Platform Extended Support Release 10.11.12 delivers security fixes across low to high severities to strengthen overall security posture.

Mattermost Platform 11.3.1 addresses multiple medium-to-high severity security fixes to improve overall security.

Mattermost Platform 11.2.3 delivers medium to high severity security fixes to address vulnerabilities and harden the platform.

Mattermost Platform Extended Support Release 10.11.11 delivers security fixes across low to high severities.

Mattermost Platform Release 11.4.0 introduces several quality-of-life improvements across the platform, including improved navigation, faster performance, and enhanced accessibility.

Mattermost Platform 11.2.2 delivers medium-severity security fixes with no new features.

Mattermost Platform 11.1.3 delivers medium-severity security fixes.

Mattermost Platform Extended Support Release 10.11.10 ships low-to-medium severity security fixes to address reported vulnerabilities.

Mattermost Platform Release 11.3.0 adds burn-on-read messages, easy login, Agents MCP universal connector, web search (OpenAI/Anthropic), Korean language support, and multi-windows right-hand side plugins for improved usability.

Mattermost Platform 11.1.2 delivers medium-severity security fixes to address vulnerabilities and improve overall security.

Mattermost Platform 11.0.7 includes medium-severity security fixes to enhance overall security.

Mattermost Platform Extended Support Release 10.11.9 includes security fixes across low to medium severity.

Mattermost Platform 11.2.1 adds quality-of-life improvements, featuring Multi-Window Threads and Channel Checklists.

Mattermost Platform 11.1.1 fixes a critical security vulnerability in the Jira plugin.

Mattermost Platform Release 11.0.6 includes a critical security vulnerability fix in the Jira plugin.

Mattermost Platform 10.12.4 ships a critical security fix for the Jira plugin.

Mattermost Platform Extended Support Release 10.11.8 includes a critical security fix for the Jira plugin.

Mattermost Platform 11.0.5 includes medium-severity security fixes to improve application security.

Mattermost Platform 10.12.3 delivers medium-severity security fixes to address known vulnerabilities.

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

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

Mattermost Platform Extended Support Release 10.11.6 fixes bugs and improves stability.

Mattermost Platform Extended Support Release 10.5.14 includes a bug fix addressing a known issue in the extended support track.

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

Mattermost Platform Extended Support Release 10.5.13 includes critical severity security fixes.

Mattermost Platform 10.12.2 delivers critical security fixes to address high-severity vulnerabilities.

Mattermost Platform Extended Support Release 10.11.5 delivers critical security fixes to address high-severity vulnerabilities.

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

Mattermost Platform 10.12.1 delivers security fixes across low to high severities.

Mattermost Platform Extended Support Release 10.11.4 delivers security fixes across low to high severities, improving overall security with no new features.

Mattermost Platform 11.0.2 adds quality-of-life improvements including Entry SKU, Admin-managed custom profile attributes, FIPS v1, and Channel Admin Policy Controls, while introducing breaking changes and deprecations.

Mattermost Platform Extended Support Release 10.11.3 ships low-to-high severity security fixes to bolster overall security and stability.

Mattermost Platform release 10.10.3 includes security fixes across low to high severity levels.

Mattermost Platform Extended Support Release 10.5.11 delivers security fixes across low to high severities and related stability improvements.

Mattermost Platform 10.12.0 delivers multiple quality-of-life improvements across the UI, performance, and usability, enhancing overall user experience and efficiency.

Mattermost Platform Extended Support Release 10.11.2 fixes bugs to improve stability.

Mattermost Platform Release 10.9.5 patches a high-severity security vulnerability; upgrade promptly to mitigate risk.

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

Mattermost Platform Release 10.10.2 includes medium to high severity security fixes to address vulnerabilities.

Mattermost Platform Extended Support Release 10.11.1 adds quality-of-life improvements and enables server support for Playbooks on mobile.

Mattermost Platform Extended Support Release 9.11.18 delivers security fixes for low to medium severity vulnerabilities.

Mattermost Platform 10.9.4 includes medium severity security fixes to address identified vulnerabilities.

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

Mattermost Platform Extended Support Release 10.5.9 fixes security issues across low to medium severities.

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

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

Mattermost Platform Release 10.8.3 includes a medium-severity security fix addressing a vulnerability.

Mattermost Platform Release 10.7.4 fixes multiple high-severity security vulnerabilities and recommends upgrading.

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

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

I don’t have the 10.9.0 release notes here—please share the key changes and I’ll condense them into a single concise summary.

Mattermost Platform Release 10.8.2 patches multiple security and stability issues, includes fixes for crashes, performance improvements, and updated dependencies.

Mattermost Platform Extended Support Release 10.5.7 ships important bug fixes and stability improvements.

Mattermost Platform Extended Support Release 9.11.16 includes medium to critical security fixes.

Mattermost Platform 10.7.3 includes medium to critical security fixes to improve vulnerability remediation and overall product security.

Mattermost Platform 10.6.6 fixes medium-to-critical security vulnerabilities, improving overall security posture.

Mattermost Platform Extended Support Release 10.5.6 includes medium-to-critical security fixes, addressing several vulnerabilities to improve overall system security.

Mattermost Platform 10.8.1 includes medium-to-critical security fixes; upgrade recommended to mitigate vulnerabilities and improve overall security.

Mattermost Platform Release 10.6.5 delivers bug fixes and stability improvements, addressing issues reported in prior builds.

Mattermost Platform 10.7.2 includes low to medium severity security fixes.

Mattermost Platform 10.6.4 is a security-focused patch release addressing low to medium severity fixes.

Mattermost Platform Extended Support Release 9.5.14 focuses on bug fixes and stability improvements.

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

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

Mattermost Platform Release 10.8.0 introduces multiple quality-of-life improvements across the user interface, performance, and administrative workflows to streamline daily usage.

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

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

Mattermost Platform Release 10.6.3 delivers low-to-medium severity security fixes and stability improvements.

Mattermost Platform ESR 10.5.4 includes low to medium severity security fixes.

Mattermost Platform Release 10.7.1 includes low- to medium-severity security fixes.

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

Mattermost Platform Release 10.6.2 fixes low to medium severity security issues.

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

Mattermost Platform 10.4.5 delivers low-to-medium severity security fixes.

Mattermost Platform 10.7.0 adds several quality-of-life improvements, including faster message search, enhanced mobile notifications, streamlined channel management, improved UI consistency, and stronger security controls.

Mattermost Platform Extended Support Release 9.11.11 delivers low-to-medium severity security fixes.

Mattermost Platform Release 9.11.10 includes security fixes across low to high severity levels to address multiple vulnerabilities.

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

Mattermost Platform 10.4.4 delivers security fixes across low to high severities, addressing multiple vulnerabilities.

Mattermost Platform 10.6.1 fixes multiple bugs to improve stability and reliability.

Mattermost Platform 10.6.0 delivers quality-of-life improvements and PostgreSQL performance enhancements.

Mattermost Platform Extended Support Release 9.11.9 delivers security fixes across low to high severities.

Mattermost Platform Release 10.5.1, the Extended Support Release, introduces a Compliance Export overhaul plus further improvements, bug fixes, and breaking changes.

Mattermost Platform Release 10.4.3 delivers security fixes spanning low to high severity levels.

Mattermost Platform 10.3.4 includes security fixes spanning low to high severities.

Mattermost Platform Release 10.3.3 delivers critical security fixes addressing high-severity vulnerabilities.

Mattermost Platform Extended Support Release 9.11.8 delivers critical security fixes, addressing high-severity vulnerabilities and hardening overall platform security.

Mattermost Platform Release 10.4.2 includes critical security fixes addressing high-severity vulnerabilities.

Mattermost Platform Release 10.2.3 includes critical security fixes addressing severe vulnerabilities.

Mattermost Platform Extended Support Release 9.11.7 includes medium-severity security fixes addressing identified vulnerabilities.

Mattermost Platform Release 10.3.2 delivers medium-severity security fixes to improve overall security and address vulnerabilities.

Mattermost Platform Release 10.2.2 includes medium-severity security fixes.

Mattermost Platform 10.1.7 includes medium-severity security fixes.

Mattermost Platform Release 10.4.1 delivers improvements across performance, stability, and user experience, along with a range of bug fixes.

Mattermost Platform Release 10.1.6 restores System Administrator access to Direct and Group Messages without requiring membership.

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

Mattermost Platform 10.3.1 delivers various improvements and bug fixes, notably the new Scheduled Messages feature.

Mattermost Platform Extended Support Release 9.11.6 includes medium-severity security fixes.

Mattermost Platform Release 10.2.1 includes medium severity security fixes to address known vulnerabilities.

Mattermost Platform 10.1.4 ships medium-severity security fixes.

Mattermost Platform 10.0.4 delivers medium-severity security fixes to address potential vulnerabilities.