Mozilla Firefox: Support for the most current major ESR version and above, in production only Please visit the Mozilla FAQ for a description of the Firefox support policy: https://www.mozilla.org/en-US/firefox/organizations/faq/
Microsoft Edge: Support for the latest major version of Microsoft Edge Chromium. Beginning in MS Edge v77, Microsoft has decoupled Edge from Windows OS and shifted to a Chromium-based browser technology & deployment model that follows a continuous 6-week update pattern similar to Chrome & Firefox. Please visit the Microsoft Edge FAQ for a description of the Edge support policy: https://docs.microsoft.com/en-au/deployedge/microsoft-edge-support-lifecycle