Unreal SDK 2.0.1 marks the official exit from beta for Unreal v2, introducing major new features and structural improvements for Web3 game developers.

Marketplace & Crypto Features

• Read Listings & Offers – Query listings and offers from any collection on your integrated marketplace.

• Create & Fulfill Offers – Enable full crypto checkout flows directly within your game, including listing creation and fulfillment.

• Smart Swaps Support – Swap currencies seamlessly using Sequence’s smart swap system.

  Don’t know where to start? Explore the new Marketplace Quickstart Guide to learn how to run a marketplace in Unreal.

Chain Support

• New Chain: Frequency Testnet – Added support for Frequency testnet to expand development and testing options.

Core SDK Enhancements

• DefaultChain Support – Easily define a default chain using SequenceConfig.

• Session Validity Check – Added a check to confirm if a session is valid before executing actions.

Blueprint & Wrapper Updates

• Restructured Blueprint nodes; delegates are now passed as function parameters.

• Updated contract wrapper constructors for more flexible contract interaction.

Deprecations & Cleanup

• Removed built-in Sign-In widgets and the pawn dependency to reduce SDK bloat and improve integration flexibility.

Migration V1 to V2

If you’re upgrading from v1, note that v2 introduces breaking changes to config structure, sign-in UI, and Blueprint integration. Key components like the Sign-In widget and certain classes have been removed or renamed. Review the Migration Guide for a concise overview of what to update.

For additional information look up the official documentation here and for the full changelog, visit the Unreal SDK v2.0.1 Release Notes.