Cardano Opens Dijkstra Testnet While The Upgrade Itself Awaits Its Next Step

Cardano developers now have a public environment for preparing the Dijkstra upgrade, but its name needs careful reading. The test network is available; the transition to Dijkstra’s new protocol rules is still a separate step.
TL;DRIntersect’s October 24 update says the refreshed Dijkstra testnet became public on October 21.
It currently runs Conway protocol version 11 with node 11.1.3.
A later node prerelease and testnet governance action are needed for protocol version 12.
A live rehearsal