Slack support life cycle for operating systems, app versions and browsers
To allow for innovation and keep customer data safe and secure, Slack updates its system requirements every six months in March and September. Read on to learn about our support life cycle policy and see a list of operating system (OS), app and browser versions that have recently reached or will soon reach the end of support. If you're using any of the versions listed, upgrade to continue using Slack.
Tip: To see which OS and browser versions we support, visit System requirements for using Slack. For information on retired Slack features, visit Slack feature retirements.
Support life cycle policy
Slack supports app versions, browsers and OS for different periods of time, taking into account development cycles and our customers' needs:
OS, app version or browser | Length of support |
Slack desktop and mobile apps | 12–18 months from release |
Browsers* | 12–18 months from release |
Mac, Windows† and Linux | At least three months from the time the manufacturer stops OS support |
iOS | 2.5–3 years from release |
Android | 4.5–5 years from release |
*The support cycle for Firefox follows Mozilla's Rapid Release schedule and excludes the Extended Support Release (ESR) schedule.
†The support cycle for Windows follows Microsoft’s Enterprise lifecycle schedule, excluding support for LTSC/LTSB.
Note: To keep Slack current in the rapidly evolving market, support life cycles are subject to change at the sole discretion of Slack, with or without advance notice.
Desktop support life cycle schedule
Operating systems (OS)
Mac
Windows
Linux
OS version | End of support |
10.15 and below | 1st September 2023 |
10.14 and below | 1st March 2023 |
OS version | End of support |
Windows 10 |
1st March 2024 |
Windows 10 Version 21H1 |
1st September 2023 |
Windows 8.1 |
1st September 2023 |
Windows Server 2012 |
1st September 2023 |
Windows Server 2012 R2 | 1st September 2023 |
OS version | End of support |
Ubuntu 18.04 | 1st March 2024 |
Fedora all versions* | 1st March 2022 |
Redhat 7 | 1st March 2022 |
*We will be ending support for all versions of Fedora. Please switch to a supported Linux OS to continue using Slack.
What to expect
If you’re using a Windows, Mac or Linux OS that has reached end of support, you’ll still be able to access Slack as long as you’re using a supported app version, but you won’t receive app updates. Slack won’t be available to download from the App Store, Microsoft Store or Snap.
Slack app versions
App version | End of support |
4.29 and below |
1st March 2024 |
4.27 and below | 1st September 2023 |
What to expect
When a Slack desktop app version is no longer supported, you’ll receive a notification prompting you to upgrade your app version to continue using Slack. You won't be able to access Slack until you upgrade.
Mobile support life cycle schedule
Operating systems (OS)
iOS
Android
OS version | End of support |
14 and below | 1st September 2023 |
OS version | End of support |
9 and below | 1st September 2023 |
What to expect
If you’re using an iOS or Android version that has reached end of support, you’ll still be able to access Slack as long as you’re using a supported app version, but you won’t receive app updates. Slack won’t be available to download from the App Store or Google Play Store.
Slack app versions
iOS
Android
App version | End of support |
23.02.40 and below | 1st March 2024 |
22.08.50 and below | 1st September 2023 |
App version | End of support |
23.02.40 and below | 1st March 2024 |
22.08.50 and below | 1st September 2023 |
What to expect
When a Slack mobile app version is no longer supported, you’ll receive a notification prompting you to upgrade your app version to continue using Slack. You won't be able to access Slack until you upgrade.
Browser support life cycle schedule
Browser version | End of support |
Chrome 111 and below | 1st March 2024 |
Firefox 110 and below* | 1st March 2024 |
Edge 109 and below | 1st March 2024 |
Chrome 105 and below | 1st September 2023 |
Firefox 104 and below* | 1st September 2023 |
Edge 105 and below | 1st September 2023 |
Safari 15 and below | 1st September 2023 |
*The support cycle for Firefox follows Mozilla's Rapid Release schedule and excludes the Extended Support Release (ESR) schedule.
What to expect
When a web browser is no longer supported, you'll be blocked from using Slack in the browser, signing in, creating new workspaces and managing settings for your workspace or Enterprise Grid organisation. You can continue these activities by upgrading to a supported browser.