There are many other variations for these non-Windows operating systems. As a general guideline, make sure that any operating system version you use supports newer, stronger encryption protocols and TLS 1.2.
In general, all RingCentral Contact Center applications support the current browser version and the version immediately preceding it. For example, if the current version of Chrome is 75, we'd support 74 and 75. Not all applications support all browsers, so check your specific RingCentral Contact Center application on this page for details.
RingCentral Contact Center applications that support Microsoft Edge only support the version of Edge based on Chromium. Legacy Edge is not supported, but Chromium Edge does have a Legacy Edge mode that can be used.
Most internet browsers are updated frequently by their developers. New versions may impact the functionality and may require additional software updates to resolve. Because of this, supported browsers are subject to change.