A new 'protocol' section has been added to the Settings > Postbacks page. You'll now have the option to set this to either 'HTTP' or 'HTTPS'. If set to 'HTTPS', you will have the option to include tokens 'first 6' and 'last 4' to send credit card information. This allows us to post to a secure location.
An issue was reported regarding orders with a non-shippable main product that also had shippable upsell products were not receiving the tracking number from fulfillment. This has been fixed.
There was an issue regarding character limits for order notes on refunded orders. This has been fixed.
An issue was reported where tracking numbers could not be added to offline orders. This has been fixed, and will also resolve the 'you cannot enter a tracking number on a pending order' error as well.
When adding product bundles, the SKU was not being required causing issues in the system. This has been fixed, and the SKU is now required on bundle products.