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Solana Changelog
Solana Changelog is a weekly record of protocol changes, validator releases, RPC improvements, SDK updates, and developer tools shipping across the ecosystem.
Release log
September 2026
August 2026
V1 Transactions are approaching, while a 300ms slot-time feature gate reached Mainnet and new releases shipped across Solana tooling.
Feature gates reduced mainnet slot times from 400ms to 350ms, while Agave, Firedancer, and Solana Kit shipped updates.
Slot times to 250ms on testnet and releases from Agave and Firedancer.
Agave, Firedancer, Frankendancer, SDK, and testing-tool releases shipped as 350ms slot-time gates reached Devnet and Testnet.
July 2026
Mainnet raises block limits to 100M CUs
SIMD-0286 activated on mainnet to raise block limits to 100M CUs, alongside new Agave, Firedancer, SDK, and LiteSVM releases.
The Resource and Inclusion Fees SIMD was accepted alongside new Agave, Firedancer, and program SDK releases.
Agave, Firedancer, Frankendancer, Solana Program JS SDKs, LiteSVM, Mollusk, and Surfpool shipped new releases.
New Agave, Firedancer, and Superbank releases landed alongside Solana Go v2.0.0-rc and LiteSVM v0.13.1.
Agave v4.1.0, RPC 2.0, and Alpenglow
Agave v4.1.0 and Solana Kit v7.0.0 shipped as Cloudbreak expanded RPC methods and Alpenglow activation work advanced.
End of archive