SIMD-0326
Alpenglow
The new consensus algorithm — the largest consensus change since launch, targeting dramatically faster finality.
Alpenglow is not scheduled on Solana mainnet yet.
- mainnet
- not scheduled
- testnet
- not scheduled
- devnet
- not scheduled
Telegram alertsKnow the moment an upgrade is queued — join @xrootdev_updates or message the bot /start for a DM.
How we know
Solana ships protocol changes behind on-chain switches called feature gates. This page reads the switch itself about every minute — once an activation is requested, it completes at the next epoch boundary, which is where the countdown comes from. No announcements, no invented dates.