TechFlow — According to official announcements, Optimism has declared that the Canyon hard fork has been successfully activated on the testnet.
The Canyon upgrade includes support for the Shanghai and Capella hard forks, along with fixes for minor bugs. It also introduces specific modifications to the OP Stack. This upgrade will increase the denominator of EIP-1559 from 50 to 250, slowing down the rate at which the block basefee increases when the gas target is exceeded. Users will not be affected by this testnet upgrade. However, node operators are required to upgrade their nodes following the Canyon activation.




