Celestia v10 brought Fibre to mainnet on 20 October; 75 of 98 validators have a Fibre server registered
Celestia's v10 upgrade went live on mainnet on 20 October 2026, enabling the Fibre data protocol. As of 6 November, 75 of 98 active validators, holding 88% of stake, have a Fibre server registered on chain.