Upgrade from 0.0.5 to 0.0.6
You should pass now in the array to setDatalayer
the field gtm_shipping_price
Upgrade from 0.0.6 to 1.0.0
Remove import checkout
because that function is for phase 2.
Upgrade from 1.0.1 to 1.0.2
Add the variable 'orderId' to configuration array in setDatalayer in the Thank you page