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.

Chainlink CCIP expands support to Mantle. Check the CCIP Directory for more information:

Mantle Mainnet

Mantle testnet

Chainlink Data Streams is available in Early Access on Optimism. The verifier proxy addresses and stream IDs are available on the Stream Addresses page.

Chainlink VRF 2.5 is available on Optimism mainnet. Visit the Supported Networks page for more information.

Chainlink Functions is available on Optimism mainnet. Visit the Supported Networks page for more information.

Chainlink CCIP expands support to Zircuit. Check the CCIP Directory for more information:

Zircuit Mainnet

Zircuit testnet

Chainlink CCIP expands support to Astar. Check the CCIP Directory for more information:

Astar Mainnet

Astar Shibuya

Chainlink CCIP expands support to Ethereum Holesky. Check the CCIP Directory for more information:

Ethereum Holesky

Chainlink Node v2.18.0 is now available. See the Release Notes for details.

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