Slack feature retirements

In order to make room for new improvements and provide the best user experience, Slack will occasionally retire a feature from the product. We'll always do our best to provide advanced notice and recommend alternatives to admins and affected members before saying a final farewell to any feature.


Upcoming Slack feature retirements

Email link to sign in on mobile

Announcement date April 22, 2024
Retirement date July 24, 2024
Note The option to sign in on mobile with a link emailed to your device will be retired in July. Users can instead scan a QR code with their mobile device when logged in on desktop.
Status Announced

Google Calendar for Team Events app

Announcement date September 2022
Retirement date September 10, 2024
Note The Google Calendar app now offers support for channel and team calendar notifications.
Status Announced

Legacy Workflow Builder

Announcement date September 6, 2023
Retirement date September 26, 2024
Note As of June 24, 2024, you will no longer be able to create new legacy workflows, use legacy templates, or copy existing legacy workflows. You’ll be able to use, edit, and re-publish existing legacy workflows until September 26, 2024.

Previously created legacy workflows will be migrated, and you can create new workflows with the new version of Workflow Builder.
Status Announced


Legacy desktop configurations

Announcement date April 22, 2024
Retirement date September 25, 2024
Note The following legacy configurations will be deprecated in favor of our streamlined desktop app configuration:
• Slack default sign-in on all platforms
• Environment variable SLACK_NO_AUTO_UPDATES on Mac and Windows
• The user preference SlackNoAutoUpdates on Mac
Status Announced


Designated channels for flagged messages

Announcement date April 1, 2024
Retirement date September 17, 2024
Note Designated channels for flagged message review are being retired, and flagged messages will instead be reviewed from the admin dashboard. Organizations currently using a designated channel can view and action outstanding messages from the channel, but newly flagged messages will be sent to the dashboard. 
Status Announced


files.Upload API

Announcement date March 28, 2024
Retirement date March 11, 2025
Note Newly-created Slack applications will no longer be able to access the files.upload API. Review our documentation on uploading files for a description of the preferred methods: files.getUploadURLExternal and files.completeUploadExternal.
Status Announced


Stars and reminders API

Announcement date July 6, 2023
Retirement date On hold
Note Stars and Reminders have been replaced by Later. All related stars.* API methods and events will be retired. Learn more about breaking changes to related API methods.
Status Announced


Retired features

32-bit Slack desktop app for Windows

Announcement date April 10, 2024
Retirement date June 2024 (expected)
Note Starting with the release of desktop app version 4.39, Slack will no longer release a 32-bit app for Windows. Users on version 4.38 and below can continue using the 32-bit client until their app version reaches the end of its support lifecycle.
Status Retired


Legacy Bots and Classic Apps

Announcement date April 2, 2024
Retirement date June 4, 2024
Note Beginning June 4, you will no longer be able to create legacy custom integration bot users or classic Slack apps. Learn more.
Status Retired


apt-key for Linux

Announcement date October 4, 2023
Retirement date April 2024
The apt-key method for managing repository keys will be deprecated with the release of Debian 12 and Ubuntu 24.04. To ensure your cron job script continues to work on all distros, we recommend updating your existing script to WIP.
Status Retired


Posts deprecation

Announcement date September 6, 2023
Retirement date March 2024
Any existing posts in your workspace will convert to canvases. On Free workspaces, converted posts will be view-only and you will no longer be able to create new posts.
Status Retired


Twitter app

Announcement date October 18, 2023
Retirement date October 19, 2023
The Twitter app for Slack is no longer available due to upstream API limitations. Going forward, links to posts from X (formerly known as Tweets) will continue to unfurl if permitted by your Slack settings.
Status Retired

Recurring scheduled exports (Daily)

Announcement date May 24, 2023
Retirement date July 31, 2023
Note For performance and infrastructural improvements, customers running daily scheduled exports will be moved to weekly exports. Additionally, weekly scheduled exports will return data only from the last week, and monthly scheduled exports will return data only from the last month. 
Status Retired


Slack will no longer be translated into Russian

Announcement date June 12, 2023
Retirement date June 28, 2023
Note Users can continue to send and receive messages in Cyrillic and use Slack in a browser to translate the app to Russian. Manage your language preference.
Status Retired


auth.findUser API

Announcement date January 10, 2023
Retirement date March 30, 2023
Note This unpublished method will be retired in favor of the following methods: Admin.users.invite (Grid Only), Admin.users.list (Grid Only),, users.list, and users.lookupByEmail
Status Retired


Slack calls

Announcement date September 20, 2022
Retirement date March 30, 2023
Note Huddles now offer all of the functionality available in a Slack call (and more).
Status Retired


Zendesk legacy app

Announcement date October 17, 2022
Retirement date March 1, 2023
Note Install the latest Zendesk app for the most up to date functionality.
Status Retired


OneDrive legacy app

Announcement date March 1, 2022
Retirement date September 1, 2022
Note Upgrade to the newest OneDrive and SharePoint app for the most up to date functionality.
Status Retired