OpenZeppelin/openzeppelin-contracts v5.5.0-rc.1

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Bug fixes

• AccountERC7579: Prevent revert in isModuleInstalled for fallback modules when additionalContext has fewer than 4 bytes. The function now returns false instead of reverting, ensuring ERC-7579 compliance. (#5961)

Breaking changes

• Account: Add signature argument to the internal _validateUserOp function for custom signature handling logic. Developers overriding it must now provide the signature from the user operation (i.e. userOp.signature) to keep compatibility. (#5976)
• AccountERC7579: Installing and uninstalling fallback modules now require the corresponding initData and deInitData arguments to be at least 4 bytes long (matching the selector to which the fallback module is registered). It now reverts with ERC7579CannotDecodeFallbackData instead of treating the missing bytes as 0x00. (#5974)

Changes by category

Utils

• Arrays: Add slice and splice functions for value types (uint256[], bytes32[], address[]). (#5983)