ChainCatcher news, according to official information, the 10-day time lock for the Polygon zkEVM mainnet Beta test upgrade has been initiated, and the transaction information for the Elderberry proposal and upgrade contract has been published on GitHub and Etherscan. Polygon stated that the Elderberry upgrade has now been released on the testnet, and assuming network stability, Elderberry may go live on the mainnet around March 7.It is reported that the new upgrade includes significant optimizations for ROM, which will reduce certain counter-related errors on the network, and includes some additional fixes from last month's Etrog upgrade.