Fix: Assigning multiple invoices to the ShipTheory courier will no longer cause rate limit errors
Fix: DPD couriers will now have the correct total weight value when multiple boxes are used
Fix: Accessing the Mailchimp and Sagepay setup areas will no longer cause an error
Fix: [Channels | eBay] 'Use eBay IOSS Number' option will now retain its value
New Feature: [Sales Invoice Manager] can now be filtered by PO Number
Fix: ShipEngine will now export weights as expected
New Feature: [Channels | Amazon] Buy Shipping SP API support added
New Feature: [Channels | Amazon] SP API Authorise button added