Update Mattermost to 5.4.0
The full changelog for Mattermost 5.4 is available here. It contains a fix for a minor security issue (nothing critical enough to warrant backporting it), but nothing else that would otherwise affect GitLab.
The full changelog for Mattermost 5.4 is available here. It contains a fix for a minor security issue (nothing critical enough to warrant backporting it), but nothing else that would otherwise affect GitLab.