Breaking changes

• Add field languageCode to types: AccountInput, AccountRegisterInput, CheckoutCreateInput, CustomerInput, Order, User. Add field languageCodeEnum to Order type. Add new mutation CheckoutLanguageCodeUpdate. Deprecate field Order.languageCode. - #6609 by @korycins

Features

• Extend Transaction type with gateway response and Payment type with filter - #7062 by @IKarbowiak
• Allow seeing unconfirmed orders - #7072 by @IKarbowiak

Fixes

• Fix invalid tax rates for lines - #7058 by @IKarbowiak
• Raise GraphQLError when too big integer value is provided - #7076 by @IKarbowiak

Performance and other

• Add benchmarks for triggered product and variants webhooks - #7061 by @d-wysocki
• Performance upgrade on orders query with shipping and billing addresses - #7083 by @tomaszszymanski129
• Avoid using get_plugins_manager method - #7052 by @IKarbowiak