Solana’s Agave 4.2 goes live: 90% rent cut, 3.3x larger transactions and the road to 200ms slots

Three feature gated upgrades began activating on Solana mainnet the week of August 17. A 90% rent reduction, 3.3 fold larger transactions, and staged slot time cuts from 400ms toward 200ms mark Solana's biggest infrastructure shift since Firedancer reached mainnet.