Hold called at T-2:28, likely a scrub for the day, but no official confirmation yet.
Edit: SpaceX webcast ended. Looks like a scrub.
Edit2: https://x.com/SpaceX/status/1924679677169565758
Falcon 9 had an auto abort just prior to T-0. Vehicle and payload are in good health, and teams are resetting for a launch attempt no earlier than Tuesday, May 20