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Mattermost Changelog

Release v1.3.0

Release date: 2015-12-16

Release Highlights

iOS App

Search Upgrades

  • Jump to search results in archives using new message permalinks
  • It's easier to find what you're looking for with improved auto-complete in search

Advanced Formatting

  • Express more in symbols, with new emoji auto-complete
  • Express more in numbers, with rendering of mathematical expressions using Latex (start code blocks with ```latex)
  • Personalize your look with new custom font settings under Account Settings > Display > Display Font

New Features

Authentication

  • Added unofficial SSO support for GitHub.com and GitHub Enterprise using GitLab UI

Archives

  • Added permalink feature that lets users link to a post in the message archives
  • Added ability to "Jump" to archives from a search result

Account Settings

  • Added "Preview pre-release features" setting, to allow user to preview early features ahead of their official release
  • Added "Display font" setting, so users can select which font to use

Messaging & Comments

  • Added in-line previews for links from select websites and for URLs pointing to an image (enabled via Account Settings -> Advanced -> Preview pre-release features)
  • Added emoji autocomplete

Extras

Improvements

Performance

  • Updated getProfiles service to return less data
  • Refactored several modals to use React-Boostrap
  • Refactored the center channel

Messaging & Comments

  • Added Markdown support for task lists
  • Added "Help" link for messaging
  • Added ability to preview a Markdown message before sending (enabled via Account Settings -> Advanced -> Preview pre-release features)

Onboarding

  • Minor upgrades to tutorial

User Interface

  • Visually combined sequential messages from the same user
  • Added ability to rename "Town Square"
  • Teammate name display option now applies to messages and comments
  • Menus and search improved on mobile UI
  • Switched to Emoji One style emojis

Bug Fixes

  • Removed the @all mention to keep users from accidentally spamming team sites
  • Fixed bug where the member list only showed "20" members for channels with more than 20 members
  • Fixed bug where the channel sidebar didn't order correctly on Postgres databases
  • Fixed bug where search results did not highlight when searching with quotation marks, wildcard, or in: and from: modifiers
  • Fixed bug with the cancel button not properly resetting the text in some account settings fields
  • Fixed bug where editing a post to be empty caused a 404 error
  • Fixed bug where logging out did not work properly on IE11
  • Fixed issue where refreshing the page with the right hand sidebar open caused "..." to show up in place of usernames
  • Fixed issue where invite to channel modal did not update properly when switching between channels

Compatibility

Config.json Changes from v1.2 to v1.3

Multiple settings were added to config.json. These options can be modified in the System Console, or manually updated in the existing config.json file. This is a list of changes and their new default values in a fresh install:

  • Under EmailSettings in config.json:
    • Removed: "ApplePushServer": "" which is replaced with SendPushNotifications and PushNotificationServer
    • Removed: "ApplePushCertPublic": "" which is replaced with SendPushNotifications and PushNotificationServer
    • Removed: "ApplePushCertPrivate": "" which is replaced with SendPushNotifications and PushNotificationServer
    • Added: "SendPushNotifications": false to control whether mobile push notifications are sent to the server specified in PushNotificationServer
    • Added: "PushNotificationServer": "" to specify the address of the proxy server that re-sends push notifications to their respective services like APNS (Apple Push Notification Services)

Known Issues

  • System Console does not save Email Settings when "Save" is clicked
  • When navigating to a page with new messages as well as message containing inline images added via markdown, the channel may move up and down while loading the inline images
  • Microsoft Edge does not yet support drag and drop
  • Media files of type .avi .mkv .wmv .mov .flv .mp4a do not play properly
  • No scroll bar in center channel
  • Pasting images into text box fails to upload on Firefox, Safari, and IE11
  • Slack import @mentions break
  • Usernames containing a "." do not get mention notifications

Contributors

Many thanks to our external contributors. In no particular order:

Release v1.2.1

  • Released: 2015-11-16

Security Notice

Mattermost v1.2.1 is a bug fix release addressing a security issue in v1.2.0 affecting a newly introduced outgoing webhooks feature. Specifically, in v1.2.0 there was a check missing from outgoing webhooks, so a team member creating outgoing webhooks could in theory find a way to listen to messages in private channels containing popular words like "a", "the", "at", etc. For added security, Mattermost v1.2.1 now installs with incoming and outgoing webhooks disabled by default.

To limit the impact of this security issue, Mattermost v1.2.0 has been removed from the source repo. It is recommended that anyone who's installed v1.2.0 upgrade to v1.2.1 via the procedure described in the Mattermost Upgrade Guide.

Release Highlights

Outgoing webhooks

  • Mattermost users can now interact with external applications using outgoing webhooks
  • An application template demonstrating user queries sent to the Giphy search engine via Mattermost webhooks now available
  • A community application, Matterbridge, shows how to use webhooks to connect Mattermost with IRC

Search Scope Modifiers

  • Adding search term in:[channel_url_name] now limits searches within a specific channel
  • Adding search term from:[username] now limits searches to messages from a specific user

Syntax Highlighting

  • Syntax highlight for code blocks now available for Diff, Apache, Makefile, HTTP, JSON, Markdown, JavaScript, CSS, nginx, ObjectiveC, Python, XML, Perl, Bash, PHP, CoffeeScript, C, SQL, Go, Ruby, Java, and ini

Usability Improvements

  • Added tutorial to teach new users how to use Mattermost
  • Various performance improvements to support teams with hundreds of users
  • Direct Messages "More" menu now lets you search for users by username and real name

Improvements

Onboarding

  • New tutorial explaining how to use Mattermost for new users

Messaging and Notifications

  • Users can now search for teammates to add to Direct Message list via More menu
  • Users can now personalize Direct Messages list by removing users listed
  • Link previews - Adding URL with .gif file adds image below message
  • Added new browser tab alerts to indicate unread messages and mentions

Search

  • Adding search term in:[channel_url_name] now limits searches within a specific channel
  • Adding search term from:[username] now limits searches to messages from a specific user
  • Tip explaining search options when clicking into search box

Integrations

User Interface

  • Member list in Channel display now scrollable, and includes Message button to message channel members directly
  • Added ability to edit previous message by hitting UP arrow
  • Syntax highlighting added for code blocks
    • Languages include Diff, Apache, Makefile, HTTP, JSON, Markdown, Java, CSS, nginx, ObjectiveC, Python, XML, Perl, Bash, PHP, CoffeeScript, C, SQL, Go, Ruby, Java, and ini.
    • Use by adding the name of the language on the first link of the code block, for example: ```python
    • Syntax color theme can be defined under Account Settings > Appearance Settings > Custom Theme
  • Updated Drag & Drop UI
  • Added 24 hour time display option

Team Settings

  • Added Team Settings option to include account creation URL on team login page
  • Added Team Settings option to include link to given team on root page
  • Ability to rotate invite code for invite URL

Extras

  • Added /shrug KEYWORD command to output: ¯\_(ツ)_/¯ KEYWORD
  • Added /me KEYWORD command to output: KEYWORD
  • Added setting option to send a message on control-enter instead of enter

System Console

  • New statistics page
  • Configurable option to create an account directly from team page

Bug Fixes

  • Various fixes to theme colors
  • Fixed issue with the centre channel scroll position jumping when right hand side was opened and closed
  • Added support for simultaneous login to different teams in different browser tabs
  • Incoming webhooks no longer disrupted when channel is deleted
  • You can now paste a Mattermost incoming webhook URL into the same field designed for a Slack URL and integrations will work

Compatibility

  • IE 11 new minimum version for IE, since IE 10 share fell below 5% on desktop
  • Safari 9 new minimum version for Safari, since Safari 7 and 8 fell below 1% each on desktop

Config.json Changes from v1.1 to v1.2

Multiple settings were added to config.json. These options can be modified in the System Console, or manually updated in the existing config.json file. This is a list of changes and their new default values in a fresh install:

  • Under TeamSettings in config.json:
    • Added: "RestrictTeamNames": true to control whether team names can contain reserved words like www, admin, support, test, etc.
    • Added: "EnableTeamListing": false to control whether teams can be listed on the root page of the site
  • Under ServiceSettings in config.json
    • Added: "EnableOutgoingWebhooks": false to control whether outgoing webhooks are enabled
    • Changed: "EnableIncomingWebhooks": true to "EnableIncomingWebhooks": false to turn incoming webhooks off by default, to increase security of default install. Documentation updated to enable webhooks before use.

Database Changes from v1.1 to v1.2

The following is for informational purposes only, no action needed. Mattermost automatically upgrades database tables from the previous version's schema using only additions. Sessions table is dropped and rebuilt, no team data is affected by this.

Channels Table
  1. Renamed Description to Header
  2. Added Purpose column with type varchar(1024)
Preferences Table
  1. Added Preferences Table
Teams Table
  1. Added InviteId column with type varchar(32)
  2. Added AllowOpenInvite column with type tinyint(1)
  3. Added AllowTeamListing column with type tinyint(1)
  4. Added idx_teams_invite_id index

Known Issues

  • When navigating to a page with new messages as well as message containing inline images added via markdown, the channel may move up and down while loading the inline images
  • Microsoft Edge does not yet support drag and drop
  • After upgrading to v1.2 existing users will see the newly added tutorial tips upon login (this is a special case for v1.2 and will not happen in future upgrades)
  • Channel list becomes reordered when there are lowercase channel names in a Postgres database
  • Member list only shows "20" members for channels with more than 20 members
  • Searches containing punctuation are not highlighted in the results (including in: or from: search modifiers and searches with quotations)
  • Media files of type .avi .mkv .wmv .mov .flv .mp4a do not play properly
  • Editing a post so that it's text is blank (which should delete it) throws a 404
  • No scroll bar in centre channel
  • Theme color import from Slack fails to import the “Active Channel” selection color
  • Pasting images into text box fails to upload on Firefox and Safari
  • Users cannot claim accounts imported from Slack via password reset
  • Slack import @mentions break

Contributors

Many thanks to our external contributors. In no particular order:

Release v1.2.0 (Redacted Release)

  • Final release: 2015-11-16 (Note: This release was removed from public availability and replaced by v1.2.1 owing to a security issue with the new outgoing webhooks feature. See v1.2.1 Release Notes for details).

Release v1.1.1 (Bug Fix Release)

Released 2015-10-20

About Bug Fix Releases

This is a bug fix release (v1.1.1) and recommended only for users needing a fix to the specific issue listed below. All other users should use the most recent major stable build release (v1.1.0).

View more information on Mattermost release numbering.

Release Purpose

Provide option for upgrading database from Mattermost v0.7 to v1.1

Upgrading Mattermost v0.7 to Mattermost v1.1 originally required installing Mattermost v1.0 to upgrade from the Mattermost v0.7 database, followed by an install of Mattermost v1.1.

This was problematic for installing Mattermost with GitLab omnibus since GitLab 8.0 contained Mattermost v0.7 and GitLab 8.1 was to include Mattermost v1.1

Therefore Mattermost v1.1.1 was created that can upgrade the database in Mattermost v0.7 to Mattermost v1.1 directly.

Users who configured Mattermost v0.7 within GitLab via the config.json file should consult documentation on upgrading configurations from Mattermost v0.7 to Mattermost v1.1.

Removes 32-char limit on salts

Mattermost v1.1 introduced a 32-char limit on salts that broke the salt generating in GitLab and this restriction was removed for 1.1.1.

Release v1.1.0

Released: 2015-10-16

Release Highlights

Incoming Webhooks

Mattermost now supports incoming webhooks for channels and private groups. This developer feature is available from the Account Settings -> Integrations menu. Documentation on how developers can use the webhook functionality to build custom integrations, along with samples, is available at http://mattermost.org/webhooks.

Improvements

Integrations

  • Improved support for incoming webhooks, including the ability to override a username and post as a bot instead

Documentation

  • Added documentation on config.json and System Console settings
  • Docker Toolbox replaces deprecated Boot2Docker instructions in container install documentation

Theme Colors

  • Improved appearance of dark themes

System Console

  • Client side errors now written to server logs
  • Added "EnableSecurityFixAlert" option to receive alerts on relevant security fix alerts
  • Various improvements to System Console UI and help text

Messaging and Notifications

  • Replaced "Quiet Mode" in the Channel Notification Settings with an option to only show unread indicator when mentioned

Bug Fixes

  • Fixed regression causing "Get Public Link" on images not to work
  • Fixed bug where certain characters caused search errors
  • Fixed bug where System Administrator did not have Team Administrator permissions
  • Fixed bug causing scrolling to jump when the right hand sidebar opened and closed

Known Issues

  • Slack import is unstable due to change in Slack export format
  • Uploading a .flac file breaks the file previewer on iOS

Compatibility

Config.json Changes from v1.0 to v1.1

Service Settings

Multiple settings were added to config.json and System Console UI. Prior to upgrading the Mattermost binaries from the previous versions, these options would need to be manually updated in existing config.json file. This is a list of changes and their new default values in a fresh install:

  • Under ServiceSettings in config.json:
    • Added: "EnablePostIconOverride": false to control whether webhooks can override profile pictures
    • Added: "EnablePostUsernameOverride": false to control whether webhooks can override profile pictures
    • Added: "EnableSecurityFixAlert": true to control whether the system is alerted to security updates

Database Changes from v1.0 to v1.1

The following is for informational purposes only, no action needed. Mattermost automatically upgrades database tables from the previous version's schema using only additions. Sessions table is dropped and rebuilt, no team data is affected by this.

ChannelMembers Table
  1. Removed NotifyLevel column
  2. Added NotifyProps column with type varchar(2000) and default value {}

Contributors

Many thanks to our external contributors. In no particular order:

Release v1.0.0

Released 2015-10-02

Release Highlights

Markdown

Markdown support is now available across messages, comments and channel descriptions for:

  • Headings - in five different sizes to help organize your thoughts
  • Lists - both numbered and bullets
  • Font formatting - including bold, italics, strikethrough, code, links, and block quotes)
  • In-line images - useful for creating buttons and status messages
  • Tables - for keeping things organized
  • Emoticons - translation of emoji codes to images like 🐑 💥 :rage1: 👍

See documentation for full details.

Themes

Themes as been significantly upgraded in this release with:

  • 4 pre-set themes, two light and two dark, to customize your experience
  • 18 detailed color setting options to precisely match the colors of your other tools or preferences
  • Ability to import themes from Slack

System console and command line tools

Added new web-based System Console for managing instance level configuration. This lets IT admins conveniently:

  • access core settings, like server, database, email, rate limiting, file store, SSO, and log settings,
  • monitor operations, by quickly accessing log files and user roles, and
  • manage teams, with essential functions such as team role assignment and password reset

In addition new command line tools are available for managing Mattermost system roles, creating users, resetting passwords, getting version info and other basic tasks.

Run ./platform -h for documentation using the new command line tool.

New Features

Messaging, Comments and Notifications

  • Full markdown support in messages, comments, and channel description
  • Support for emoji codes rendering to image files

Files and Images

  • Added ability to play video and audio files

System Console

  • UI to change config.json settings
  • Ability to view log files from console
  • Ability to reset user passwords
  • Ability for IT admin to manage members across multiple teams from single interface

User Interface

  • Ability to set custom theme colors
  • Replaced single color themes with pre-set themes
  • Added ability to import themes from Slack

Integrations

  • (Preview) Initial support for incoming webhooks

Improvements

Documentation

  • Added production installation instructions
  • Updated software and hardware requirements documentation
  • Re-organized install instructions out of README and into separate files
  • Added Code Contribution Guidelines
  • Added new hardware sizing recommendations
  • Consolidated licensing information into LICENSE.txt and NOTICE.txt
  • Added markdown documentation

Performance

  • Enabled Javascript optimizations
  • Numerous improvements in center channel and mobile web

Code Quality

  • Reformatted Javascript per Mattermost Style Guide

User Interface

  • Added version, build number, build date and build hash under Account Settings -> Security

Licensing

  • Compiled version of Mattermost v1.0.0 now available under MIT license

Bug Fixes

  • Fixed issue so that SSO option automatically set EmailVerified=true (it was false previously)

Compatibility

A large number of settings were changed in config.json and a System Console UI was added. This is a very large change due to Mattermost releasing as v1.0 and it's unlikely a change of this size would happen again.

Prior to upgrading the Mattermost binaries from the previous versions, the below options would need to be manually updated in your existing config.json file to migrate successfully. This is a list of changes and their new default values in a fresh install:

Config.json Changes from v0.7 to v1.0

Service Settings
  • Under ServiceSettings in config.json:
    • Moved: "SiteName": "Mattermost" which was added to TeamSettings
    • Removed: "Mode" : "dev" which deprecates a high level dev mode, now replaced by granular controls
    • Renamed: "AllowTesting" : false to "EnableTesting": false which allows the use of /loadtest slash commands during development
    • Removed: "UseSSL": false boolean replaced by "ConnectionSecurity": "" under Security with new options: None (""), TLS ("TLS") and StartTLS ('"StartTLS"`)
    • Renamed: "Port": "8065" to "ListenAddress": ":8065" to define address on which to listen. Must be prepended with a colon.
    • Removed: "Version": "developer" removed and version information now stored in model/version.go
    • Removed: "Shards": {} which was not used
    • Moved: "InviteSalt": "gxHVDcKUyP2y1eiyW8S8na1UYQAfq6J6" to EmailSettings
    • Moved: "PublicLinkSalt": "TO3pTyXIZzwHiwyZgGql7lM7DG3zeId4" to FileSettings
    • Renamed and Moved "ResetSalt": "IPxFzSfnDFsNsRafZxz8NaYqFKhf9y2t" to "PasswordResetSalt": "vZ4DcKyVVRlKHHJpexcuXzojkE5PZ5eL" and moved to EmailSettings
    • Removed: "AnalyticsUrl": "" which was not used
    • Removed: "UseLocalStorage": true which is replaced by "DriverName": "local" in FileSettings
    • Renamed and Moved: "StorageDirectory": "./data/" to Directory and moved to FileSettings
    • Renamed: "AllowedLoginAttempts": 10 to "MaximumLoginAttempts": 10
    • Renamed, Reversed and Moved: "DisableEmailSignUp": false renamed "EnableSignUpWithEmail": true, reversed meaning of true, and moved to EmailSettings
    • Added: "EnableOAuthServiceProvider": false to enable OAuth2 service provider functionality
    • Added: "EnableIncomingWebhooks": false to enable incoming webhooks feature
Team Settings
  • Under TeamSettings in config.json:
    • Renamed: "AllowPublicLink": true renamed to "EnablePublicLink": true and moved to FileSettings
    • Removed: AllowValetDefault which was a guest account feature that is deprecated
    • Removed: "TermsLink": "/static/help/configure_links.html" removed since option didn't need configuration
    • Removed: "PrivacyLink": "/static/help/configure_links.html" removed since option didn't need configuration
    • Removed: "AboutLink": "/static/help/configure_links.html" removed since option didn't need configuration
    • Removed: "HelpLink": "/static/help/configure_links.html" removed since option didn't need configuration
    • Removed: "ReportProblemLink": "/static/help/configure_links.html" removed since option didn't need configuration
    • Removed: "TourLink": "/static/help/configure_links.html" removed since option didn't need configuration
    • Removed: "DefaultThemeColor": "#2389D7" removed since theme colors changed from 1 to 18, default theme color option may be added back later after theme color design stablizes
    • Renamed: "DisableTeamCreation": false to "EnableUserCreation": true and reversed
    • Added: "EnableUserCreation": true added to disable ability to create new user accounts in the system
SSO Settings
  • Under SSOSettings in config.json:
    • Renamed Category: SSOSettings to GitLabSettings
    • Renamed: "Allow": false to "Enable": false to enable GitLab SSO
AWS Settings
  • Under AWSSettings in config.json:
    • This section was removed and settings moved to FileSettings
    • Renamed and Moved: "S3AccessKeyId": "" renamed "AmazonS3AccessKeyId": "", and moved to FileSettings
    • Renamed and Moved: "S3SecretAccessKey": "" renamed "AmazonS3SecretAccessKey": "", and moved to FileSettings
    • Renamed and Moved: "S3Bucket": "" renamed "AmazonS3Bucket": "", and moved to FileSettings
    • Renamed and Moved: "S3Region": "" renamed "AmazonS3Region": "", and moved to FileSettings
Image Settings
  • Under ImageSettings in config.json:
    • Renamed: "ImageSettings" section to "FileSettings"
    • Added: "DriverName" : "local" to specify the file storage method, amazons3 can also be used to setup S3
EmailSettings
  • Under EmailSettings in config.json:
    • Removed: "ByPassEmail": "true" which is replaced with SendEmailNotifications and RequireEmailVerification
    • Added: "SendEmailNotifications" : "false" to control whether email notifications are sent
    • Added: "RequireEmailVerification" : "false" to control if users need to verify their emails
    • Replaced: "UseTLS": "false" with "ConnectionSecurity": "" with options: None (""), TLS ("TLS") and StartTLS ("StartTLS")
    • Replaced: "UseStartTLS": "false" with "ConnectionSecurity": "" with options: None (""), TLS ("TLS") and StartTLS ("StartTLS")
Privacy Settings
  • Under PrivacySettings in config.json:
    • Removed: "ShowPhoneNumber": "true" which was not used
    • Removed: "ShowSkypeId" : "true" which was not used

Database Changes from v0.7 to v1.0

The following is for informational purposes only, no action needed. Mattermost automatically upgrades database tables from the previous version's schema using only additions. Sessions table is dropped and rebuilt, no team data is affected by this.

Users Table
  1. Added ThemeProps column with type varchar(2000) and default value {}
Teams Table
  1. Removed AllowValet column
Sessions Table
  1. Renamed Id column Token
  2. Renamed AltId column Id
  3. Added IsOAuth column with type tinyint(1) and default value 0
OAuthAccessData Table
  1. Added new table OAuthAccessData
  2. Added AuthCode column with type varchar(128)
  3. Added Token column with type varchar(26) as the primary key
  4. Added RefreshToken column with type varchar(26)
  5. Added RedirectUri column with type varchar(256)
  6. Added index on AuthCode column
OAuthApps Table
  1. Added new table OAuthApps
  2. Added Id column with type varchar(26) as primary key
  3. Added CreatorId column with type varchar(26)
  4. Added CreateAt column with type bigint(20)
  5. Added UpdateAt column with type bigint(20)
  6. Added ClientSecret column with type varchar(128)
  7. Added Name column with type varchar(64)
  8. Added Description column with type varchar(512)
  9. Added CallbackUrls column with type varchar(1024)
  10. Added Homepage column with type varchar(256)
  11. Added index on CreatorId column
OAuthAuthData Table
  1. Added new table OAuthAuthData
  2. Added ClientId column with type varchar(26)
  3. Added UserId column with type varchar(26)
  4. Added Code column with type varchar(128) as primary key
  5. Added ExpiresIn column with type int(11)
  6. Added CreateAt column with type bigint(20)
  7. Added State column with type varchar(128)
  8. Added Scope column with type varchar(128)
IncomingWebhooks Table
  1. Added new table IncomingWebhooks
  2. Added Id column with type varchar(26) as primary key
  3. Added CreateAt column with type bigint(20)
  4. Added UpdateAt column with type bigint(20)
  5. Added DeleteAt column with type bigint(20)
  6. Added UserId column with type varchar(26)
  7. Added ChannelId column with type varchar(26)
  8. Added TeamId column with type varchar(26)
  9. Added index on UserId column
  10. Added index on TeamId column
Systems Table
  1. Added new table Systems
  2. Added Name column with type varchar(64) as primary key
  3. Added Value column with type varchar(1024)`

Contributors

Many thanks to our external contributors. In no particular order:

Release v0.7.0 (Beta1)

Released 2015-09-05

Release Highlights

Improved GitLab Mattermost support

Following the release of Mattermost v0.6.0 Alpha, GitLab 7.14 offered an automated install of Mattermost with GitLab Single-Sign-On (co-branded as "GitLab Mattermost") in its omnibus installer.

New features, improvements, and bug fixes recommended by the GitLab community were incorporated into Mattermost v0.7.0 Beta1--in particular, extending support of GitLab SSO to team creation, and restricting team creation to users with verified emails from a configurable list of domains.

Slack Import (Preview)

Preview of Slack import functionality supports the processing of an "Export" file from Slack containing account information and public channel archives from a Slack team.

  • In the feature preview, emails and usernames from Slack are used to create new Mattermost accounts, which users can activate by going to the Password Reset screen in Mattermost to set new credentials.
  • Once logged in, users will have access to previous Slack messages shared in public channels, now imported to Mattermost.

Limitations:

  • Slack does not export files or images your team has stored in Slack's database. Mattermost will provide links to the location of your assets in Slack's web UI.
  • Slack does not export any content from private groups or direct messages that your team has stored in Slack's database.
  • The Preview release of Slack Import does not offer pre-checks or roll-back and will not import Slack accounts with username or email address collisions with existing Mattermost accounts. Also, Slack channel names with underscores will not import. Also, mentions do not yet resolve as Mattermost usernames (still show Slack ID). These issues are being addressed in Mattermost v0.8.0 Migration Support.

New Features

GitLab Mattermost

  • Ability to create teams using GitLab SSO (previously GitLab SSO only supported account creation and sign-in)
  • Ability to restrict team creation to GitLab SSO and/or users with email verified from a specific list of domains.

File and Image Sharing

  • New drag-and-drop file sharing to messages and comments
  • Ability to paste images from clipboard to messages and comments

Messaging, Comments and Notifications

  • Send messages faster with from optimistic posting and retry on failure

Documentation

  • New style guidelines for Go, React and Javascript

Improvements

Messaging, Comments and Notifications

  • Performance improvements to channel rendering
  • Added "Unread posts" in left hand sidebar when notification indicator is off-screen

Documentation

  • Install documentation improved based on early adopter feedback

Bug Fixes

  • Fixed multiple issues with GitLab SSO, installation and on-boarding
  • Fixed multiple IE 10 issues
  • Fixed broken link in verify email function
  • Fixed public links not working on mobile

Contributors

Many thanks to our external contributors. In no particular order:

Special thanks to the GitLab Mattermost early adopter community who influenced this release, and who play a pivotal role in bringing Mattermost to over 100,000 organizations using GitLab today. In no particular order:

Extra special thanks to GitLab community leaders for successful release of GitLab Mattermost Alpha:

Release v0.6.0 (Alpha)

Released 2015-08-07

Release Highlights

  • Simplified on-prem install
  • Support for GitLab Mattermost (GitLab SSO, Postgres support, IE 10+ support)

Compatibility

Note: While use of Mattermost Preview (v0.5.0) and Mattermost Alpha (v0.6.0) in production is not recommended, we document compatibility considerations for a small number of organizations running Mattermost in production, supported directly by Mattermost product team.

  • Switched Team URLs from team.domain.com to domain.com/team

New Features

GitLab Mattermost

  • OAuth2 support for GitLab Single-Sign-On
  • PostgreSQL support for GitLab Mattermost users
  • Support for Internet Explorer 10+ for GitLab Mattermost users

File and Image Sharing

  • New thumbnails and formatting for files and images

Messaging, Comments and Notifications

  • Users now see posts they sent highlighted in a different color
  • Mentions can now also trigger on user-defined words

Security and Administration

  • Enable users to view and log out of active sessions
  • Team Admin can now delete posts from any user

On-boarding

  • “Off-Topic” now available as default channel, in addition to “Town Square”

Improvements

Installation

  • New "ByPassEmail" setting enables Mattermost to operate without having to set up email
  • New option to use local storage instead of S3
  • Removed use of Redis to simplify on-premise installation

On-boarding

  • Team setup wizard updated with usability improvements

Documentation

  • Install documentation improved based on early adopter feedback

Contributors

Many thanks to our external contributors. In no particular order:

Release v0.5.0 (Preview)

Released 2015-06-24

Release Highlights

  • First release of Mattermost as a team communication service for sharing messagse and files across PCs and phones, with archiving and instant search.

New Features

Messaging and File Sharing

  • Send messages, comments, files and images across public, private and 1-1 channels
  • Personalize notifications for unreads and mentions by channel
  • Use #hashtags to tag and find messages, discussions and files

Archiving and Search

  • Search public and private channels for historical messages and comments
  • View recent mentions of your name, username, nickname, and custom search terms

Anywhere Access

  • Use Mattermost from web-enabled PCs and phones
  • Define team-specific branding and color themes across your devices