Ethereum developers are diligently preparing for an upcoming milestone known as Fusaka, which is set to be the second major upgrade of the year 2025. This significant update aims to enhance the functionality and efficiency of the Ethereum blockchain, incorporating new features and improvements to address the evolving needs of the network and its users. As developers work collaboratively on this initiative, they are focused on ensuring a smooth transition and implementation, ultimately paving the way for a more robust and scalable Ethereum ecosystem in the near future.
source: https://www.coindesk.com/tech/2025/11/26/ethereum-developers-prep-for-fusaka-second-upgrade-of-2025