Ethereum Core Developer Tim Beiko he announced and Shapella (Shanghai/Capella) is planned to be upgraded. on February 28. The Shapella network upgrade activates on the Sepolia network in epoch 56832.
Shanghai and Capella are the names of the upcoming Ethereum hard fork. Shanghai is the name of the execution client-side fork and Capella is the name of the consensus layer client-side upgrade.
Some of the key changes to the Ethereum Improvement Proposals (EIP) at the execution layer include the Warm Coinbase and Beacon chain push selections. Push subscriptions make room for validators’ withdrawals from the beacon chain to the EVM through a new type of “system-level” operation. On the other hand, Coinbase’s WARM could be a game changer that could lower network fees for some key network participants called builders.
Coinbase here is the name of the software that builders use to accept new tokens on the network. Each new transaction on the platform must interact with Coinbase’s software multiple times. The first interaction costs more because the software needs to “warm up”, and then the fees decrease as the interactions increase. However, with the introduction of EIP-3651, the Coinbase software will initially remain warm, requiring a lower gas fee to access.
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Major changes to the consensus layer include full and partial withdrawals for validators and independent state and block history accumulators to replace the original singular history roots.
A partial withdrawal means that validators can withdraw ether (ETH) rewards exceeding 32 Ether and keep verifying. In case they want a full withdrawal, the validators can leave completely and take all 32 ethers and rewards and stop doing work
The upcoming upgrade would allow validators to download their staked ether (ETH) from the Beacon Chain to the execution layer. Additionally, the upgrade would bring changes to the execution layer and consensus layer by adding new features, making it a key update Merging.
However, stakers and non-stakers running nodes must upgrade their nodes to the latest versions of the Ethereum client to take advantage of the Sepolia upgrade. After deploying the Sepolia upgrade, the next step would be to release Upgrade in Shanghai on the Goerli Ethereum testnet, which is expected to launch in March.