{
  "schemaVersion": "1.0",
  "id": "solana-alpenglow-status",
  "canonicalUrl": "https://solanahub.de/status/alpenglow.json",
  "publishedAt": "2026-09-26T08:13:26Z",
  "verifiedAt": "2026-09-26T08:13:26Z",
  "verificationTimeZone": "UTC",
  "feature": {
    "proposal": "SIMD-0326",
    "featureId": "A1pengvuM6JEcyNuTnMqepBKhwHE3N6PmUrdATGawhJS",
    "activeScope": "Votor",
    "excludedScope": "Rotor",
    "rotorNote": "SIMD-0326 activates the Votor consensus protocol. Rotor is a later, separately scheduled component.",
    "mainnetActivationDate": null
  },
  "scheduleClarification": {
    "date": "2026-09-28",
    "status": "tentative",
    "means": "Tentative resumption of general Agave 4.3 feature activations on Mainnet Beta.",
    "doesNotMean": "An announced Alpenglow or SIMD-0326 Mainnet Beta activation date."
  },
  "networks": [
    {
      "id": "testnet",
      "phase": "votor-active",
      "consensus": "Alpenglow Votor",
      "activationEpoch": 1042,
      "featureActivationSlot": 444620256,
      "genesisCertificateSlot": 444625255,
      "observedWith": {
        "rpcEndpoint": "https://api.testnet.solana.com",
        "methods": [
          "getVersion",
          "getAgGenesisCert",
          "getAccountInfo"
        ]
      }
    },
    {
      "id": "devnet",
      "phase": "votor-active",
      "consensus": "Alpenglow Votor",
      "activationEpoch": 1167,
      "featureActivationSlot": 504144000,
      "genesisCertificateSlot": 504148999,
      "observedWith": {
        "rpcEndpoint": "https://api.devnet.solana.com",
        "methods": [
          "getVersion",
          "getAgGenesisCert",
          "getAccountInfo"
        ]
      }
    },
    {
      "id": "mainnet-beta",
      "phase": "pending",
      "consensus": "TowerBFT",
      "activationEpoch": null,
      "featureActivationSlot": null,
      "genesisCertificateSlot": null,
      "observedWith": {
        "rpcEndpoint": "https://api.mainnet-beta.solana.com",
        "methods": [
          "getVersion",
          "getAgGenesisCert",
          "getAccountInfo"
        ]
      }
    }
  ],
  "sources": [
    {
      "id": "solana-upgrades-alpenglow",
      "label": "Alpenglow upgrade overview",
      "publisher": "Solana Foundation",
      "url": "https://solana.com/upgrades/alpenglow",
      "supports": [
        "upgrade overview",
        "rollout context"
      ]
    },
    {
      "id": "anza-alpenglow-docs",
      "label": "Alpenglow consensus documentation",
      "publisher": "Anza",
      "url": "https://docs.anza.xyz/consensus/alpenglow",
      "supports": [
        "protocol terminology",
        "Votor documentation"
      ]
    },
    {
      "id": "agave-feature-gate-tracker",
      "label": "Agave feature-gate tracker",
      "publisher": "Anza",
      "url": "https://raw.githubusercontent.com/wiki/anza-xyz/agave/feature-gate-tracker-schedule.json",
      "supports": [
        "Testnet epoch 1042",
        "Devnet epoch 1167",
        "Mainnet Beta pending"
      ]
    },
    {
      "id": "solana-rpc-getaggenesiscert",
      "label": "getAgGenesisCert RPC method",
      "publisher": "Solana Documentation",
      "url": "https://solana.com/docs/rpc/http/getaggenesiscert",
      "supports": [
        "non-null certificate means the cluster has migrated",
        "null means the cluster is still using TowerBFT"
      ]
    },
    {
      "id": "agave-4-3-release-schedule",
      "label": "Agave 4.3 release schedule",
      "publisher": "Anza",
      "url": "https://github.com/anza-xyz/agave/wiki/v4.3-Release-Schedule",
      "supports": [
        "September 28 schedule clarification"
      ]
    },
    {
      "id": "simd-0326",
      "label": "SIMD-0326: Alpenglow consensus protocol",
      "publisher": "Solana Improvement Documents",
      "url": "https://github.com/solana-foundation/solana-improvement-documents/blob/main/proposals/0326-alpenglow.md",
      "supports": [
        "Votor scope",
        "Rotor excluded from this proposal"
      ]
    },
    {
      "id": "simd-0384",
      "label": "SIMD-0384: Alpenglow migration",
      "publisher": "Solana Improvement Documents",
      "url": "https://github.com/solana-foundation/solana-improvement-documents/blob/main/proposals/0384-alpenglow-migration.md",
      "supports": [
        "migration sequence",
        "genesis-certificate semantics"
      ]
    }
  ],
  "changes": [
    {
      "date": "2026-09-26",
      "summary": "Established the verified Testnet, Devnet and Mainnet Beta baseline and clarified that September 28 is not an Alpenglow Mainnet date."
    }
  ]
}