Neutral
Solana's Alpenglow upgrade on Oct 21 targets 150-millisecond transaction finality.
On October 21, 2026, Solana activated the Alpenglow upgrade, aiming to achieve transaction finality in approximately 150 milliseconds. This upgrade replaces the previous TowerBFT consensus mechanism and introduces changes that may affect reported transaction counts without impacting actual user activity.
Key points
- Alpenglow upgrade activates, targeting 150-millisecond finality.
- Validators must update to Agave 4.3.0 for migration; Firedancer and Frankendancer operators need temporary software switch.
- Removal of vote transactions may reduce reported transaction counts without affecting user activity.
Sources
AI-generated from public news sources. Not financial advice.
