• Choosing a GIPHY API Key in Mattermost: Your Own Key or the Built-in Default
• Cannot Pin or Unpin Messages Older Than the Post Edit Time Limit After Upgrading to v11.7.0
• Microsoft Entra ID OIDC Authentication Requires a Client Secret; Managed Identity Not Supported
• How to Migrate or Upgrade a PostgreSQL Database to a New Host or Version
• Mattermost Upgrade Fails in staging environment due to Database Ownership and Migration Errors
• Mattermost 11.x Upgrade Error: Hidden Archived Channels
• How to Manually Change a User's Authentication Method via Database
• Users not loading in System Console after environment refresh
• Migrating Mattermost DB from GitLab Omnibus PostgreSQL installation to a standalone PostgreSQL
• Configuring Mattermost for Read-Only Access
• Safe-to-Ignore Boards Tables During MySQL to PostgreSQL Migration (Boards v8.0.0+)
• Mattermost Real-Time Features Not Working (e.g. Posts Aren't Showing Up) When Connecting From Multiple Origins
• Mattermost Audit Table Cleanup Guide
• Why are users seeing 'limit exceeded' errors?
• Enabling Personal Access Tokens (PATs) for Users
• Guest Users Cannot Mention User Groups in Mattermost
• How to Change the Site Name and Branding in Mattermost
• Fixing "Server Not Found" Error in Mattermost
• Getting Help with Your Mattermost User Account
• System console still displays old license after uploading a new one
• Post Server-Migration channels are not being marked as unread and notifications are inconsitent
• Fixing ghost drafts
• Mattermost GPG Key Expired
• Message reminders not triggering as expected
• Opening Mattermost links in the Desktop App via URI links
• Switching Authentication Methods
• Why can’t I see GIFs in the GIF picker? (gfycat service shutdown)
• How to disable Insights in Mattermost
• Compliance export or data retention fails with "pq: canceling statement due to user request" error
• Mattermost and fapolicyd