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Updated weekly

# Release notes for builders

$ solana changelog --follow

Solana Changelog

Solana Changelog is a weekly record of protocol changes, validator releases, RPC improvements, SDK updates, and developer tools shipping across the ecosystem.

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Release log

Juli 2026

  1. 2026-07-23Latest

    An accepted fee SIMD sends 2500 lamports of base fees to validators, alongside new Agave, Firedancer, and program SDK releases.

  2. 2026-07-16

    Agave, Firedancer, Frankendancer, Solana Program JS SDKs, LiteSVM, Mollusk, and Surfpool shipped new releases.

  3. 2026-07-09

    Agave, Firedancer, Superbank, Solana Go, and LiteSVM published new releases alongside validator, RPC, and tooling updates.

  4. 2026-07-02

    Agave v4.1.0, RPC 2.0, and Alpenglow

    Agave v4.1.0, Solana Kit v7.0.0, Cloudbreak RPC methods, and Alpenglow feature-flag work led this week’s Solana engineering updates.

End of archive

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