⚡️ Pro Tip: Check the official Slack Release Notes page regularly to see a detailed log of exactly what changed in the latest build for your specific operating system. If you'd like, I can: Find the released today for your OS Summarize the latest feature changes Help you troubleshoot an update error Let me know which operating system you use! Share public link

If you are using a version below 4.43, your app is about to reach end of support. Please update to the latest version to continue accessing Slack.

For , the current version is 4.50.121 , released on May 6, 2026. The desktop app requires macOS 12.0 or later and has a file size of approximately 524.4 MB.

If You're on These Versions, Update to Continue Using Slack | University IT

As of , the Slack current version for desktop is typically denoted by a four-part build number, such as 4.42.125 or 4.43.90 , depending on your operating system (Windows, macOS, or Linux). For mobile devices, the current version is tied to your app store’s latest release, e.g., 24.05.10.20 on iOS or Android.

Latest versions fix vulnerabilities that could expose company data.