【ZKsync：Mailbox合约向后兼容问题或需1.5-2周时间解决】金色财经报道，以太坊二层网络ZKsync在X平台发文提醒，在协议升级v26期间Mailbox合约向后兼容暂时出现问题，会影响L1→L2交易，因为相关交易最初由Mailbox合约处理，但在v26升级期间由于桥接和L2处于不同的过渡阶段，因此向后兼容性暂时不起作用。目前解决这个问题可能需要1.5-2周时间，因此建议用户在BridgeHub上使用“requestL2TransactionDirect requestL2TransactionTwoBridges”，而不是Mailbox，同时建议迁移到BridgeHub，以避免将来Mailbox合约被弃用。
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