Technical upgrades are made periodically to the Ethereum protocol. Upgrades typically comprise of Core
Ethereum Improvement Proposals (EIPs) that have achieved consensus across the Ethereum clients & community.
The network upgrade progress tracker helps with keeping track of improvement proposals in different phases of network upgrade. Clients' development and integration can be followed on the latest version of the developer's testnet. Read Shedding light on the Ethereum Network Upgrade Process for more information
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