I've seen the details of quite a few B2B SaaS and Govt SaaS deals as of late, and most dev orgs are just not supporting anything other than evergreen browsers.

I've seen the details of quite a few B2B SaaS and Govt SaaS deals as of late, and most dev orgs are just not supporting anything other than evergreen browsers. If you don't have the latest browser version, your ticket will be closed since supporting browser based GIS with IE8/9 is a giant waste of money.