Mattermost Cloud Changelog

This changelog summarizes updates to Mattermost Cloud, an enterprise-grade SaaS offering hosted by Mattermost.

Release 2021-01-12

Highlights

  • Pre-packaged and pre-installed Mattermost Incident Management v1.2.0.

Improvements

User Interface (UI)

  • Changed the number of file attachments allowed per post, from 5 to 10.
  • Added support to move multi-selected groups of channels to another category via the More options menu.

Administration

  • Updated the Go version to v1.15.5.
  • Added support for automatic installation and enablement of plugins using feature flags.
  • Added webhook create endpoints to local mode and the ability to create webhooks for other users.
  • Added a Mattermost CLI command to initialize the database.
  • Enabled ExperimentalDataPrefetch for all servers and removed the corresponding setting.
  • Added support for processing import files through the API.
  • Added support for protocol-relative URLs while using the Image Proxy.
  • Added shared channels and remote_cluster_service under a license check.
  • A Striped LRU cache is now used by default.

Bug Fixes

  • Fixed an issue where the permissions of a System Admin role got deleted when changing the access level to any permission.
  • Fixed an issue where editing a /me post behaved differently within the Mattermost Web App and the Mobile App.
  • Fixed an issue where the hover state on category headers did not span the whole width of the left-hand navigation.
  • Fixed an issue where plugins on the left-hand side of the System Console were sorted differently than the ones in the Plugin Management page.
  • Fixed an issue where 15-character team names were truncated when the experimental channel sidebar was enabled.
  • Fixed an issue where the sidebar menus weren’t styled correctly in mobile browser view.
  • Fixed an issue where jumping into an archive channel and clicking the link to jump to recent messages sent the user out of the archived channel.
  • Fixed an issue where the tooltip text for copying an incoming webhook URL was unclear.

Known Issues

  • Cloud > “Tips & Next Steps” should not show an “Explore channels” section for guest users.
  • System Roles shows License and Environment as possible permissions but they are always hidden in Cloud.

Release 2020-12-18

Bug Fixes

  • Fixed a performance issue related to typing lag.
  • Fixed an issue where YouTube previews did not display sometimes.

Release 2020-12-09

Improvements

User Interface (UI)

  • Added the ability to mute categories with the experimental sidebar feature.
  • Added support for multi-selection of channels when dragging and dropping between channels in the experimental sidebar feature.
  • Group messages are now returned in the channel switcher when only first names are typed.
  • Issuing /dnd consecutively no longer unexpectedly toggles the user status between “Do Not Disturb” and “Online” and will only set the user’s status to “Do Not Disturb”.

Administration

  • Added a new manage_remote_clusters permission.
  • Enabled goSAML2 library as the only supported SAML library.

Bug Fixes

  • Cleaned up the config store on server initialization errors.
  • Fixed an issue where permissions did not grant read and/or write access to the Global Relay configuration settings.
  • Fixed an issue where the site configuration ‘’Read only’’ permission did not make the “Notice” section as read-only for the System Manager.
  • Fixed an issue where importing Client4 in a node server caused an exception due to rudder modules.
  • Fixed an issue where LDAP ‘’FirstLoginSync’’ didn’t close the LDAP session.

Known Issues

  • System Managers do not have access to the Billing section and see a blank screen.
  • Cloud > “Tips & Next Steps” should not show an “Explore channels” section for guest users.
  • System Roles shows License and Environment as possible permissions but they are always hidden in Cloud.

Release 2020-12-03

Bug Fixes

  • Disabled the xmlsec1-based SAML library in favor of the re-enabled and improved SAML library.

Release 2020-11-24

Highlights

Modify new Admin roles permissions in the System Console (Beta)

  • Added a user interface for the existing new system roles functionality including new permissions to read and write system roles.

Pre-package and enable incident management v1.1.1

Improvements

User Interface

  • @-autocomplete results are now prioritized based on recency and thread activity.
  • File attachments below the size of 10 (KB, MB, GB, TB, etc.) now allow showing fractions.
  • The formatting of the channel header change message was improved.
  • Team invite workflow now shows BOT tags when the search returns Bot users.
  • Added the ability to zoom in and out of PDF files.
  • Added support for 16x16 base64 encoded mini images to use with progressive rendering.

Notifications

  • Channel-wide mentions are now automatically disabled when a user mutes a channel.

Integrations

  • Updated icon_emoji field in incoming webhooks to allow emojis to be specified with surrounding colons.
  • Dynamic auto-completion is now supported for built-in slash commands.
  • Added plugin hooks for ReationHasBeenAdded and ReactionHasBeenRemoved.

Administration

  • Added the ability to load a set of custom configuration defaults from a MM_CUSTOM_DEFAULTS_PATH environment variable.
  • Added AWS metering service support.
  • Added the ability to retrieve compliance files from the System Console.

Bug Fixes

  • Fixed an issue with broken link previews for Twitter links.
  • Fixed an issue where editing a post did not submit with CMD+ENTER.
  • Fixed an issue where users were able to create or edit slash commands to contain more than two slashes in the URL.
  • Fixed an issue where resized emojis were being overwritten with original data.
  • Fixed an issue where the sidebar category “More” menu was not shown when hovering over a long category name.
  • Fixed an issue where a received direct message did not show up on the sidebar if the direct message channel was newly created.
  • Fixed an issue where a search using from: failed to auto-load more results on the right-hand side when Elasticsearch was enabled.
  • Fixed an issue where an s3 file backend TestFileConnection failed due to permissions if S3PathPrefix was in use.
  • Fixed an issue where an id was missing for a Tooltip in PostInfo.

API Changes

  • Added new local API endpoints for getting, updating, and deleting incoming and outgoing webhooks.
  • Added new API endpoints to work with experimental collapsed threads.

Known Issues

  • System Managers do not have access to the Billing section and see a blank screen.
  • Cloud > “Tips & Next Steps” should not show an “Explore channels” section for guest users.
  • System Roles shows License and Environment as possible permissions but they are always hidden in Cloud.