Cardano has released node version 11.1.1, completing the first of four planned milestones toward the Dijkstra era and protocol version 12. The maintenance update removes legacy tracing, addresses Genesis-related operational issues and responds to increased memory use identified during node 11.1.0 testing; it does not itself activate Dijkstra or introduce its full feature set. Node 11.2 is expected to open most Dijkstra features for testing, followed by DijkstraNet for public evaluation of Plutus V4, Nested Transactions and CIP-50. Node 11.3 is intended as the hard-fork release candidate and will add Linear Leios, while node 12.0 will be the definitive protocol version 12 release. Intersect's moderate-confidence Dijkstra activation window runs from Dec. 5, 2026, to Jan. 4, 2027, with a higher-confidence window from Feb. 24 to March 26, 2027. Activation remains conditional on development, testing, ecosystem preparation and on-chain governance approval. Peras is planned for a separate intra-era hard fork in the second quarter of 2027.