Sourced from ark-serialize's changelog.

CHANGELOG

Pending

• (ark-starkcurve) Add 252 bit Stark curve.
• #971 (ark-ff) Make serial_batch_inversion_and_mul public.
• Consolidated logic into bitreverse_permutation_in_place and made it public.
• Remove redundant type constraints from Pairing::G1Prepared.
• (ark-serialize) Add serde-compatible wrapper types CompressedChecked<T>, CompressedUnchecked<T>, UncompressedChecked<T>, UncompressedUnchecked<T>.
• #989 (ark-poly) Replace bound F: FftField with F: Field on GeneralEvaluationDomain.
• (ark-poly) Add fast polynomial division
• (ark-ec) Improve GLV scalar multiplication performance by skipping leading zeroes.
• (ark-poly) Make SparsePolynomial.coeffs field public
• #1039 (ark-ff-asm) Remove unused dead spill buffer path.
• #1044, #1084, #1088 Add implementation for small field with native integer types

Breaking changes

• (ark-poly) the Div implementation is now restricted to polynomials defined over FftField. Non-FftField polys can instead use the naive_div method.

Features

• (ark-serialize) Implementation of CanonicalSerialize and CanonicalDeserialize for signed integer types
• #1084 (ark-ff) Add from_u128 const constructor for SmallFp fields
• #1086 (ark-ff-macros) Auto-detect small prime subgroup (bases 3, 5, 7) in define_field! for both SmallFp and Fp fields

Improvements

• #1091(ark-ff-macros) Replace Fermat-based (a^{p-2}) modular inversion for SmallFp fields with a constant-time binary extended GCD (based on Pornin 2020).
• #1091(ark-ff-macros) Consolidate SmallFp multiplication dispatch into a single match with Mersenne fast-paths (M7, M13, M31) and generic Montgomery backends for u8/u16/u32/u64 fields.

Bugfixes

• #1082 (ark-ff) Fix SmallFp::from_random_bytes / from_be_bytes_mod_order silently producing incorrect field elements by treating plaintext bytes as Montgomery-encoded.

v0.5.0

• #772 (ark-ff) Implementation of mul method for BigInteger.
• #794 (ark-ff) Fix wasm compilation.
• #837 (ark-serialize) Fix array deserialization panic.
• #845 (Algebra) Implementation of mul method for DenseMultilinearExtension<F> * F.

Breaking changes

• #577 (ark-ff, ark-ec) Add AdditiveGroup, a trait for additive groups (equipped with scalar field).
• #593 (ark-ec) Change AffineRepr::xy() to return owned values.
• #633 (ark-ec) Generic pairing implementation for the curves from the BW6 family.
• #659 (ark-ec) Move auxiliary parity function from ark_ec::hashing::curve_maps::swu to ark_ec::hashing::curve_maps.
• #746 (ark-ec) Refactor fixed-based batch multiplication:
  • Move functionality to ScalarMul::batch_mul and ScalarMul::batch_mul_with_preprocessing.

... (truncated)

• a5460be Release 0.6.0
• 4cec9f0 Inverse via GCD for SmallFp, generalize mersenne mul path (#1091)
• 7b1b733 build(deps): update hashbrown requirement from 0.16 to 0.17 (#1095)
• 2733e8f In define_field macro set plausibly useful FFT params for user (#1086)
• 08aa6de Support only u64 sized primes for SmallFp (#1088)
• 285dac2 Const initialization helper for SmallFp (#1084)
• a2d4d66 Fix SmallFp from_random_bytes inconsistency with Fp (#1082)
• c402d0c Ark-ff Small Field Support (#1044)
• 8de9a9d Remove dead spill buffer path in generate_impl (#1039)
• 6fd2656 build(deps): update criterion requirement from 0.7.0 to 0.8.2 (#1077)
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