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* Add single-channel guests filter and channel count column to System Console Users - Add guest_filter query parameter to Reports API with store-level filtering by guest channel membership count (all, single_channel, multi_channel) - Add channel_count field to user report responses and CSV exports - Add grouped guest role filter options in the filter popover - Add toggleable Channel count column to the users table - Add GuestFilter and SearchTerm to Go client GetUsersForReporting - Add tests: API parsing, API integration, app job dedup, webapp utils, E2E column data rendering Made-with: Cursor * Fix gofmt alignment and isolate guest store tests - Align GuestFilter constants to satisfy gofmt - Move guest user/channel setup into a nested sub-test to avoid breaking existing ordering and role filter assertions Made-with: Cursor * Exclude archived channels from guest filter queries and ChannelCount The ChannelMembers subqueries for guest_filter (single/multi channel) and the ChannelCount column did not join with Channels to check DeleteAt = 0. Since channel archival soft-deletes (sets DeleteAt) but leaves ChannelMembers rows intact, archived channel memberships were incorrectly counted, potentially misclassifying guests between single-channel and multi-channel filters and inflating ChannelCount. - Join ChannelMembers with Channels (DeleteAt = 0) in all three subqueries in applyUserReportFilter and GetUserReport - Add store test covering archived channel exclusion - Tighten existing guest filter test assertions with found-flags and exact count checks Made-with: Cursor * Exclude DM/GM from guest channel counts, validate GuestFilter, fix dropdown divider - Scope ChannelCount and guest filter subqueries to Open/Private channel types only (exclude DM and GM), so a guest with one team channel plus a DM is correctly classified as single-channel - Add GuestFilter validation in UserReportOptions.IsValid with AllowedGuestFilters whitelist - Add API test for invalid guest_filter rejection (400) - Add store regression test for DM/GM exclusion - Fix role filter dropdown: hide the divider above the first group heading via CSS rule on DropDown__group:first-child - Update E2E test label to match "Guests in a single channel" wording Made-with: Cursor * Add store test coverage for private and GM channel types Private channels (type P) should be counted in ChannelCount and guest filters, while GM channels (type G) should not. Add a test that creates a guest with memberships in an open channel, a private channel, and a GM, then asserts ChannelCount = 2, multi-channel filter includes the guest, and single-channel filter excludes them. Made-with: Cursor * Add server i18n translation for invalid_guest_filter error The new error ID model.user_report_options.is_valid.invalid_guest_filter was missing from server/i18n/en.json, causing CI to fail. Made-with: Cursor * Make filter dropdown dividers full width Remove the horizontal inset from grouped dropdown separators so the system user role filter dividers span edge to edge across the menu. Leave the unrelated webapp/package-lock.json change uncommitted. Made-with: Cursor * Optimize guest channel report filters. Use per-user channel count subqueries for the single- and multi-channel guest filters so the report avoids aggregating all channel memberships before filtering guests. |
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| .gitignore | ||
| .gitpod.yml | ||
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| AGENTS.CLOUD.md | ||
| CHANGELOG.md | ||
| CODEOWNERS | ||
| CONTRIBUTING.md | ||
| enable-claude-docs.sh | ||
| LICENSE.enterprise | ||
| LICENSE.txt | ||
| NOTICE.txt | ||
| README.md | ||
| SECURITY.md | ||
| skills-lock.json | ||
Mattermost is an open core, self-hosted collaboration platform that offers chat, workflow automation, voice calling, screen sharing, and AI integration. This repo is the primary source for core development on the Mattermost platform; it's written in Go and React, runs as a single Linux binary, and relies on PostgreSQL. A new compiled version is released under an MIT license every month on the 16th.
Deploy Mattermost on-premises, or try it for free in the cloud.
Learn more about the following use cases with Mattermost:
Other useful resources:
- Download and Install Mattermost - Install, setup, and configure your own Mattermost instance.
- Product documentation - Learn how to run a Mattermost instance and take advantage of all the features.
- Developer documentation - Contribute code to Mattermost or build an integration via APIs, Webhooks, slash commands, Apps, and plugins.
Table of contents
- Install Mattermost
- Native mobile and desktop apps
- Get security bulletins
- Get involved
- Learn more
- License
- Get the latest news
- Contributing
Install Mattermost
- Download and Install Mattermost Self-Hosted - Deploy a Mattermost Self-hosted instance in minutes via Docker, Ubuntu, or tar.
- Get started in the cloud to try Mattermost today.
- Developer machine setup - Follow this guide if you want to write code for Mattermost.
Other install guides:
- Deploy Mattermost on Docker
- Mattermost Omnibus
- Install Mattermost from Tar
- Ubuntu 20.04 LTS
- Kubernetes
- Helm
- Debian Buster
- RHEL 8
- More server install guides
Native mobile and desktop apps
In addition to the web interface, you can also download Mattermost clients for Android, iOS, Windows PC, macOS, and Linux.
Get security bulletins
Receive notifications of critical security updates. The sophistication of online attackers is perpetually increasing. If you're deploying Mattermost it's highly recommended you subscribe to the Mattermost Security Bulletin mailing list for updates on critical security releases.
Get involved
- Contribute to Mattermost
- Find "Help Wanted" projects
- Join Developer Discussion on a Mattermost server for contributors
- Get Help With Mattermost
Learn more
- API options - webhooks, slash commands, drivers, and web service
- See who's using Mattermost
- Browse over 700 Mattermost integrations
License
See the LICENSE file for license rights and limitations.
Get the latest news
- X - Follow Mattermost on X, formerly Twitter.
- Blog - Get the latest updates from the Mattermost blog.
- Facebook - Follow Mattermost on Facebook.
- LinkedIn - Follow Mattermost on LinkedIn.
- Email - Subscribe to our newsletter (1 or 2 per month).
- Mattermost - Join the ~contributors channel on the Mattermost Community Server.
- IRC - Join the #matterbridge channel on Freenode (thanks to matterircd).
- YouTube - Subscribe to Mattermost.
Contributing
Please see CONTRIBUTING.md. Join the Mattermost Contributors server to join community discussions about contributions, development, and more.




