Solana’s planned Alpenglow consensus upgrade is now live on both devnet and testnet, giving application teams a place to test before any move on chains handling real funds. Anza, the Solana development company, said on Sept. 25 that the developer network had completed its transition, while testnet had moved over a day earlier. The Solana Foundation’s upgrade page shows Alpenglow activated on both networks.
The upgrade is designed to cut transaction finality from about 12.8 seconds to roughly 150 milliseconds. That would reduce the wait time for actions such as releasing deposits after a transaction or letting payment apps tell merchants that a payment has been completed.
Alpenglow changes how validators reach consensus on the network record. Instead of embedding votes as transactions inside blocks, validators exchange votes directly, reducing the process to one or two voting rounds. One side effect is that some Solana activity charts may show lower figures, because total transaction counts that include validator votes will fall even if actual payments and transaction volume stay the same.
Solana’s planned Alpenglow upgrade has now gone live on both devnet and testnet, giving application teams a testing environment before any switch on chains that handle real funds.
The target is to reduce transaction finality from about 12.8 seconds to roughly 150 milliseconds. That would sharply shorten the wait required to release deposits after a transaction, or for payment applications to notify merchants that a transaction has been completed.
Anza, the Solana development company, said on Sept. 25 that the developer network had completed the transition. Testnet had moved over a day earlier. The Solana Foundation’s upgrade page shows that Alpenglow is active on both networks.
Alpenglow changes how validators reach consensus on the network record. Validators will exchange votes directly, rather than recording those votes as transactions inside blocks. That cuts the consensus process down to one or two voting rounds.
The change also affects how some on-chain activity data will appear. With validator votes removed from block transaction records, some Solana activity charts may decline. The total number of transactions that includes validator votes will drop, even if actual payments and transaction volume remain unchanged.
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