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Introducing OpenZeppelin Contracts 5.7: Account Abstraction Paymasters, Crosschain Token Bridges, and New Deployment Primitives

calendar_today July 30, 2026 person OpenZeppelin domain openzeppelin

OpenZeppelin Contracts 5.7 is now available. This release expands the library in three directions that reflect where onchain development is heading: sponsored transactions through a full suite of ERC-4337 paymasters, crosschain movement of non-fungible and multi-token assets, and a set of new utilities for deterministic deployment and safer contract interaction.

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