{
  "meeting": "ACDC #185 - August 20, 2026",
  "highlights": {
    "fork_status_and_schedule": [
      {
        "timestamp": "00:07:13",
        "highlight": "DevNet 8 Gloas activation (6h ago) caused non-finality; finalization just recovered; root cause: client caching bug for builder deposits at fork transition (Lighthouse, Prysm, Teku affected)"
      },
      {
        "timestamp": "00:27:29",
        "highlight": "Sepolia Glamsterdam fork proposed: epoch 351232, slot 11239424, Sep 28 2026 \u2014 no objections raised; decision deferred to next ACDC"
      },
      {
        "timestamp": "00:28:57",
        "highlight": "Hoodi Glamsterdam fork proposed: epoch 132352, slot 4235264, Oct 26 2026 \u2014 contingent on stable DevNets"
      },
      {
        "timestamp": "00:20:43",
        "highlight": "Non-finality DevNet targeting week after next; all clients should be on trunk/unstable branches by next week"
      }
    ],
    "testing_progress": [
      {
        "timestamp": "00:10:34",
        "highlight": "Lido needs \u22651 day (preferably 2) on a stable DevNet before Glamsterdam activation to test oracles/tooling; Optimism also requested similar testing window"
      },
      {
        "timestamp": "00:23:28",
        "highlight": "Non-finality DevNet (~1000 nodes) cost-constrained; likely 1\u20131.5 days max; pk910 will repeat mass-deposit stress test there"
      }
    ],
    "client_updates": [
      {
        "timestamp": "00:16:07",
        "highlight": "Lodestar: deposit preprocessing optimization reduced fork-transition time from ~20s to ~500ms; already on trunk"
      },
      {
        "timestamp": "00:14:58",
        "highlight": "Prysm: builder-deposit cache was removed from branch pre-fork; Bastin's optimization reduces recovery even without cache to one slot"
      }
    ],
    "eip_proposals_hegota": [
      {
        "timestamp": "00:33:39",
        "highlight": "EIP-833 (Align Checkpoint with Epoch Boundary Block): fixes off-by-one in checkpoint root calculation; improves target-vote accuracy; pairs well with quicker slots"
      },
      {
        "timestamp": "00:36:28",
        "highlight": "EIP-8379 (Engine API Sync Status): lets CL become sole sync source; reduces duplicate block gossip; narrows devp2p scope long-term; optionality rejected as impractical for Engine API"
      },
      {
        "timestamp": "00:42:28",
        "highlight": "EIP-12188 (Reduced CL Block Retention Window): halves retention constant due to EIP-8061 in Glamsterdam; discussion ongoing \u2014 potuz questions motivation; Dustin mildly open; thread to continue on ETH R&D"
      }
    ],
    "organizational": [
      {
        "timestamp": "00:30:21",
        "highlight": "EIP-7610 formally cancelled from Glamsterdam (not postponed); superseded by EIP-8253 (PFI Hegota); authors asked to withdraw EIP-7610"
      },
      {
        "timestamp": "00:54:44",
        "highlight": "Hegota EIP tiering: all client teams to publish first-pass S/A/B/D rankings by mid-September; aim to reach rough consensus before DevCon; use Forkcast ranking tool"
      }
    ]
  },
  "action_items": [
    {
      "timestamp": "00:32:01",
      "action": "Review and approve Glamsterdam Meta EIP PR (move status draft\u2192review) before merging EIP-7610 removal PR",
      "owner": "Parithosh Jayanthi (EIP officer)"
    },
    {
      "timestamp": "00:26:15",
      "action": "Review remote-signing-api PR #28; implement signed auth request for builder API",
      "owner": "CL client teams"
    },
    {
      "timestamp": "00:54:44",
      "action": "Publish Hegota EIP tier rankings (S/A/B/D) with rationale by mid-September",
      "owner": "All client teams"
    }
  ],
  "decisions": [
    {
      "timestamp": "00:30:21",
      "decision": "EIP-7610 cancelled from Glamsterdam; not postponed \u2014 superseded by EIP-8253 targeting Hegota"
    },
    {
      "timestamp": "00:23:04",
      "decision": "Non-finality DevNet targeted for the week after next; all clients must be on trunk/unstable branches first"
    },
    {
      "timestamp": "00:54:23",
      "decision": "PFI for Hegota: EIP-833 (Align Checkpoint with Epoch Boundary Block), EIP-8379 (Engine API Sync Status); EIP-12188 (Reduced CL Block Retention Window) deferred to ETH R&D discussion"
    }
  ],
  "targets": [
    {
      "timestamp": "00:27:50",
      "target": "Sepolia Glamsterdam fork \u2014 Sep 28, 2026 (epoch 351232); pending confirmation at next ACDC"
    },
    {
      "timestamp": "00:28:57",
      "target": "Hoodi Glamsterdam fork \u2014 Oct 26, 2026 (epoch 132352); contingent on stable DevNets"
    },
    {
      "timestamp": "00:54:44",
      "target": "Hegota EIP tier rankings from all client teams \u2014 mid-September 2026"
    },
    {
      "timestamp": "00:55:36",
      "target": "Hegota rough consensus on EIP scope \u2014 before DevCon"
    }
  ]
}