According to Odaily Planet Daily, the lightweight blockchain protocol Mina announced the Devnet upgrade date on the X platform as April 9. This upgrade is the last milestone before the major upgrade of Berkeley, which will bring simpler ZK programmability and other key features to the main network.
The full timeline is as follows: April 2: Archive node migration tool released, archive node operators can start the initial archive node migration. April 3: Release of a build with detailed instructions, marking the start of node upgrades. April 9: Devnet upgrade, operators should prepare to transition their nodes to the Berkeley version.