# Alpenglow reaches Solana devnet, bringing the 150-millisecond finality upgrade to a second test network

Around 12.8 seconds is what it takes right now for a Solana transaction to become final and irreversible. Alpenglow, the upgrade designed to shrink that wait to roughly 150 milliseconds, has now gone live on Solana's developer network. That makes devnet the second public test network to run it. The

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| Published | 26 September 2026 |

Source: https://egamers.io/alpenglow-reaches-solana-devnet-bringing-the-150-millisecond-finality-upgrade-to-a-second-test-network/