Mattermost 4.2 has been tested with GitLab SSO with official release on September 16 from https://about.mattermost.com/download/. Mattermost team is ready to test GitLab 10.0 omnibus RC for both upgrade and new install.
Key updates this release:
- Interactive message buttons (Beta)
- Support for Slack-compatible delayed slash commands through the
There are security updates in Mattermost 4.2 affecting Team Edition so upgrading is recommended. Backports to 4.1 and 4.0 containing the security fixes will be submitted soon.