[
  {
    "date": "2019",
    "event": "RFC 8617 published",
    "detail": "The ARC (Authenticated Received Chain) specification is published."
  },
  {
    "date": "2025-02-25",
    "event": "Apple tightens its iCloud requirements",
    "detail": "Apple documents the use of ARC for high-volume senders to iCloud."
  },
  {
    "date": "2026-04-16",
    "event": "IETF DMARC working group rechartered",
    "detail": "The DMARC working group is rechartered and redefines its priorities."
  },
  {
    "date": "2026-04-22",
    "event": "Filing of the draft draft-ietf-dmarc-arc-to-historic",
    "detail": "J. Trent Adams (Proofpoint) and John Levine propose reclassifying RFC 8617 as \"Historic\"."
  },
  {
    "date": "2026-11",
    "event": "Targeted deadline to finalize the status-change",
    "detail": "After group discussion, last call and IESG review, the reclassification is expected around November 2026."
  },
  {
    "date": "2026-late",
    "event": "First DKIM2 deployments expected",
    "detail": "The successor DKIM2 is still at the Internet-Draft stage; its first deployments are only expected from late 2026."
  }
]