Solana Alpenglow will not arrive on September 28: “No Alpenrush”, says Anza's head of research

Alpenglow, the new consensus mechanism for Solana, did not go into operation on mainnet on September 28, 2026. The date that had been running through calendars and headlines for weeks comes from a schedule entry that means something else. Anza, the development house behind the most important Solana validator client, has expressly denied that an activation took place that day. For you as a holder of Solana, the first consequence is that nothing happens today. Anyone who was considering unstaking because of the date, preparing a validator switch or planning withdrawals around it can put that aside. The coin traded at $118.75 on September 28, 3.29 percent below the previous day, while the seven-day balance was almost unchanged at 0.55 percent (data: CoinGecko). This piece sets out where the date came from, what has actually been decided and which date counts next. And it records that cryptoticker.io named September 28 itself. What really stood in the Solana calendar for September 28 Anza published the schedule for version 4.3 of the Agave validator client on August 12, 2026. It lists September 28 with the entry “Mainnet-beta: Resume feature activation”. Translated, that says: from tha...