This release includes a security fix, addressing a vulnerability (CVE-2025-24802).

What's Changed

• fix: changed conditioning for timing functionality in circuit_builder by @NikitaMasych in https://github.com/0xPolygonZero/plonky2/pull/1640
• add serialization and deserialization for BytesHash by @carlogf in https://github.com/0xPolygonZero/plonky2/pull/1645
• fix: use u64 in BaseSplitGenerator by @ed255 in https://github.com/0xPolygonZero/plonky2/pull/1647
• fix: correct visibility in gate_serialization macros by @NikitaMasych in https://github.com/0xPolygonZero/plonky2/pull/1650
• Fix padding in LookupTableGate by @LindaGuiga in https://github.com/0xPolygonZero/plonky2/pull/1656

New Contributors

• @NikitaMasych made their first contribution in https://github.com/0xPolygonZero/plonky2/pull/1640
• @carlogf made their first contribution in https://github.com/0xPolygonZero/plonky2/pull/1645
• @ed255 made their first contribution in https://github.com/0xPolygonZero/plonky2/pull/1647

Full Changelog: https://github.com/0xPolygonZero/plonky2/compare/v1.0.0...v1.0.1