Solana activated Alpenglow on mainnet, replacing TowerBFT. Anza reports 150ms finality, while apps, validators and transaction dashboards face changes.
Solana schedules Alpenglow for October 21 at epoch 1064. Validators face a 0.8 SOL fee, while the 150ms finality target has limits for apps.
Solana's final 200ms slot change is due at epoch 1053. The rollout halves the old block clock while shortening wallet signing windows and raising validator demands.
Solana's Alpenglow targets 150ms finality, but Anza still lists testnet activation as pending. September 28 is not a confirmed mainnet launch date.
Solana is scheduled to lift its maximum block compute limit from 60 million to 100 million units on July 29, a 66% capacity increase intended to add headroom during busy trading and payments periods.