I also recently got in to trouble. GTINS/EAN/Barcodes codes are required for googleshopping.
http://www.datafeedwatch.com/blog/gtins-required-per-may-16th/
Cannot make a feed now to googleshopping. SKU is internal productid for the shopowner itself.
Please add to core!
Yes it is. Yesterday I installed the latest releases and it works fine again.
Thanks!
