At Workast, we mirror the list of browsers supported by Slack which can be found here.   Please note that as of March 2019, Slack changed its minimum browser requirements.  As Workast uses the sign-on with Slack login function, Workast's minimum browser requirements also changed at that time.  

Supported browsers

  1. Chrome - version 66 and newer
  2. Firefox - version 52 and newer
  3. Safari - 10.1 and newer
  4. Internet Explorer - no longer supported
  5. Edge - Version 41 and newer

Operating system requirements

  • Mac - OS X 10.9 or later
  • Windows - Windows 7 or later
  • Linux - Ubuntu LTS releases 16.04 or later (beta)
  • Linux - Fedora 26 or later (beta)
  • Linux - Red Hat Enterprise Linux 7.0 or later (beta)
  • iOS - iOS 10.0 or later
  • Android - Android 4.4 or later