Solana Validator Client Upgrade v1.18 Reaches 85% Stake Adoption

Solana validators holding 85% of consensus stake have adopted client version v1.18, bringing key transaction scheduling improvements to the network.

4 September 2026 · +3

Adoption of Solana's v1.18 validator client has reached 85% of consensus stake, crossing a key operational threshold for the network. The software upgrade does not alter SOL tokenomics but focuses on structural performance.

The release introduces refinements designed to improve transaction scheduling, enhance block propagation, and lower state contention when network activity surges. For a blockchain that prioritises speed and low transaction fees, efficient scheduling is critical to avoid congestion and transaction failures during heavy demand.

While developers can publish updates, network upgrades only take effect when a sufficient proportion of validators implement them. Surpassing the 85% mark ensures that the majority of consensus weight is running the new client, allowing the network to operate on the upgraded infrastructure.

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