Latest Mattermost Desktop version: 6.3.0
The current verified stable version of Mattermost Desktop is 6.3.0.
Stable release
6.3.0Release date: 2026-08-13. Source verified: 2026-08-23. Source: Mattermost Desktop GitHub releases.
Desktop client for Mattermost team messaging and collaboration.
Open the official Mattermost Desktop downloadSource-backed version details
Catalog source
Mattermost Desktop GitHub releases
Verification status
Source verified: 2026-08-23.
Release date
Release date: 2026-08-13.
Category
Communication
Ownership
Vendor-provided source
Evidence
Repository release record
Recently checked — Checked 15 days ago; the catalog review window is 45 days.
Where can you install it?
What-Version labels who publishes or maintains each route. Community routes are useful, but they are not presented as vendor downloads.
Vendor-providedMattermost Desktop GitHub releases
Version evidence and catalogued download links are anchored to the publisher-owned source.
Open publisher source ↗