Mattermost 5.16: Upcoming breaking changes
@twk3 Below is a note of upcoming breaking changes that would affect the Mattermost integration with GitLab Omnibus.
Mattermost v5.16 (GitLab 12.5 - November 22nd)
- The Mattermost Desktop v4.3.0 release includes a change to how desktop notifications are sent from non-secure URLs (http://). Organizations using non-secure Mattermost Servers (http://) will need to update to Mattermost Server versions 5.16.0+, 5.15.1, 5.14.4 or 5.9.5 (ESR) to continue receiving desktop notifications when using Mattermost Desktop v4.3.0 or later.
- Support for Internet Explorer (IE11) was removed.