Changelog

UI/UX Enhancements

• Fully redesigned Indexer page for better usability and organization

• Revamped webhook settings page with clearer structure and options

• Added progress bars to show service usage at a glance

• Introduced guide cards (powered by our docs) on the project overview page to support faster onboarding

• Improved contract linking flows for collections and sale contract deployment

API Improvements

• Upgraded to QuotaControl v0.20.2 with backend performance enhancements

• Added support for using project JWTs when topping up gas balances and controlling gas sponsorship.

• Enabled CSV export for gas tank transaction history

Analytics

• Added tracking for guide card usage to improve understanding of user onboarding patterns

And Other Bug Fixes & Enhancements

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.

Builder 1.4.0 brings a mix of user experience upgrades, developer-focused improvements, and critical bug fixes to streamline workflows across the platform.

Authentication & Onboarding

• New Sign-In Flow – A simplified and faster sign-in experience for smoother user onboarding.

Contracts & Interaction Improvements

• Contract Tagging – Easily categorize contracts with the new tagging system and manage tags via a dedicated interface.

• Contract Write Enhancements – Transaction hashes are now displayed for improved traceability and debugging.

• Expanded Interaction Support – Added support for interacting with custom contracts and collections.

Fixed Contract Extension Issues – Resolved issues related to undefined, nil values, and type mismatches in contract extensions.

Wallet & Gas Management

• Immutable Passport Support – Wallet configuration now supports projects using Immutable Passport for authentication.

• Gas Handling Improvements – Enhanced logic around gas tank edge cases, including zero-balance scenarios.

Network UX Enhancements

• Network Selector Improvements – Cleaner selection UI with sorted options and added network icons for better clarity.

Other Fixes

• A variety of small bug fixes and performance improvements.

For the full list of changes, view the release on GitHub: Builder v1.4.0 Release Notes

Web SDK v5.2.0 delivers a major update to the Wallet Widget, bringing a completely reimagined, full-featured embedded wallet experience for your web applications.

Wallet Widget Enhancements

• Complete Rebuild of the Wallet Modal – A redesigned and more powerful Wallet Widget that enables users to manage their assets directly within your app.

• Expanded Asset Display – Display all tokens and NFTs from connected wallets in a unified, organized view.

• Built-in Web3 Actions – Users can swap, buy, send, and receive assets without ever leaving your application.

• Multi-Account and Wallet Linking Support – Seamlessly switch between multiple accounts, link additional wallets, and authenticate using multiple social login providers within the Embedded Wallet experience.
  
  

  

  
  
  You can test the updated Wallet Widget here: Wallet Widget Demo

Developer Experience Improvements

• useCheckoutUI Hook – Introduced a new hook for programmatically integrating checkout flows, giving developers an easier and more customizable way to trigger purchase experiences from within their applications.

Additional Improvements

• Various bug fixes and performance enhancements improving reliability and responsiveness across the Web SDK and Wallet Widget.

Builder 1.3.0 brings major UI updates, expanded contract capabilities, and backend optimizations to further streamline the experience for developers and ecosystem owners.

Overview & UI Enhancements

• Revamped project overview page for better visibility and navigation

• Added a quick setup tab to the embedded wallet section

• Improved UI consistency and design across multiple pages

• Redesigned API keys page for better usability

• Removed legacy explainer modals for a cleaner interface

Contracts & Collection Features

• Enabled linking of custom contracts to collections for more flexible setups

• Added support for pack contracts via transaction APIs

Analytics Improvements

• Separated analytics services backend from /rpc/Builder to /rpc/Analytics for better performance and scalability

• Improved the analytics UI for easier data access and visualization

Bug Fixes & Minor Updates

• Fixed access key update request issues

• Resolved various network-related and other minor bugs

Web SDK v5.1.0 introduces new integrations and usability improvements aimed at enhancing developer experience and expanding capabilities for end users.

What’s New

• Immutable Passport Support – Seamlessly integrate with Immutable’s authentication system to support games and apps that use Immutable Passport for login and identity management.

• useListAccounts Hook – A new React hook that simplifies account discovery and management within your frontend, making multi-account flows more efficient.

Improvements

• Swap Integration Enhancements – Broader access to liquidity pools and improved underlying logic for token swaps. This update improves performance, reliability, and the ability to find better execution paths.

• Documentation Updates – Revamped and expanded docs for better onboarding, clearer usage examples, and deeper API references.

Builder v1.2.0 marks a shift toward supporting ecosystem-driven product experiences, alongside several platform improvements and fixes.

Ecosystem Features & Improvements

• Introducing Ecosystems – New projects will now be created within the context of a broader ecosystem. Ecosystem specific features will be now able to be share across all projects easily.

• Updated Project Creation Flow – Developers are guided to select an ecosystem when starting a new project, simplifying onboarding and aligning with ecosystem-specific benefits.

• Ecosystem Management Portal – New dashboard for ecosystem owners to view, manage, and analyze projects built under their ecosystem.

UI/UX & Design Updates

• Contextual headers added for better clarity

• WebP image upload and improved extension handling

Misc Fixes & Updates

• New wallet metrics added to the analytics section

• Updated gas tank warning messaging

• Support for syncing marketplace collections

• Minor bug fixes and internal code cleanup

Major Feature Release with Marketplace & Payments Integration

Unity SDK v4.0.0 is a major update bringing expanded Web3 commerce capabilities and marketplace integration directly into your Unity projects.

Highlights:

• Marketplace API Integration – Full support for the Sequence Marketplace API, enabling unified access to Sequence and external marketplaces like OpenSea, Reservoir, Blur, and LooksRare.

• Sequence Pay Support – Accept crypto payments, enable smart swaps, QR-based transfers, credit/debit card on-ramps, and NFT checkout with traditional payments.

• Improved Contract Support – Enhanced support for primary sale contracts.

New Boilerplates:

• Marketplace view to checkout

• Primary sale checkout

• Create listing

• Create offer

• Sell offer

Chain Support:

• Added testnet support for Monad and Somnia

Note: Release to the Unity Asset Store is subject to a 3 business day review period.