Chainlink CCIP 1.5.1 is now available, introducing several significant enhancements for cross-chain token pool management.
Enhanced Token Support:
- Added support for tokens with different decimals across chains
- New BurnMintERC20 contract for easy token deployment and cross-chain expansion with configurable decimals and max supply
Improved Token Pool Management:
- Enhanced token pool upgrades to support multiple active pools simultaneously
- Ensures in-flight messages remain deliverable during pool upgrades
- Upgraded token pool access control from OwnerIsCreator to Ownable2StepMsgSender for better security
For detailed implementation guides and examples, visit our Cross-Chain Token (CCT) documentation. For technical details and interfaces, see the CCIP v1.5.1 API Reference.