Issue #3164356 by DuaelFr, itamair: Provide a better feedback when unable to geocode / reverse
Set Google Maps and Google Business Providers ApiKeys mandatory (not optional)
Issue #3164323 by DuaelFr: Cannot use unlicensed mapquest endpoint
Issue #3164362: Update upgrade from 2.x to 3.x documentation
Issue #3128165: How to upgrade from Geocoder 2.x to 3.x ...
Issue #3164328 by DuaelFr: Upgrade from 2.x should rename apikey to apiKey
Issue #3152846 by itamair: Better exception handling in geocoder.post_update.php