coincurve

• Fix regression in Windows wheels

• Breaking: Drop support for Python 3.7
• Add support for Python 3.12
• Upgrade libsecp256k1 to version 0.4.1

• Support Schnorr signatures
• Add support for Python 3.11
• Upgrade libsecp256k1 to the latest available version

• Breaking: Drop support for Python 3.6
• Fix wheels for Apple M1
• Upgrade libsecp256k1 to the latest available version

• Wheels for Apple Silicon and musl linux (Alpine)

• No wheels for PyPy until the build system is fixed

• Fix the combine method of PublicKey

• Breaking: Drop support for Python 2

• Breaking: Binary wheels for CPython require version 19.3 or later of pip to install

• Build AArch64 binary wheels for Linux

• Build binary wheels for PyPy3.6 7.3.3 & PyPy3.7 7.3.3 on Linux

• Upgrade libsecp256k1 to the latest available version

• Upgrade libgmp to the latest available version

• Introduce COINCURVE_UPSTREAM_REF environment variable to select an alternative libsecp256k1 version when building from source

• Support PEP 561 type hints

• Added support for supplying a custom nonce to PrivateKey.sign_recoverable

IMPORTANT: This will be the final release that supports Python 2.

• New: Binary wheels for Python 3.9

• Breaking: Drop support for Python 3.5

• Fetch libsecp256k1 source if the system installation lacks ECDH support

• Fix innocuous setuptools warning when building from source

• Switch CI/CD to GitHub Actions

• New: Binary wheels for Python 3.8

• Support building on OpenBSD

• Improve handling of PEM private key deserialization

• Improve ECDH documentation

• Improvements from libsecp256k1 master

• New: Binary wheels on Linux for PyPy3.6 v7.1.1-beta

• New: Binary wheels on macOS for Python 3.8.0-alpha.3

• New: Binary wheels on Linux are now also built with the new manylinux2010 spec for 64-bit platforms

• Improvements from libsecp256k1 master

• Fix some linking scenarios by placing bundled libsecp256k1 dir first in path

• Allow override of system libsecp256k1 with environment variable

• Add benchmarks

• Use Codecov to track coverage

• Use black for code formatting

• Support tox for testing

• Compatibility with latest libsecp256k1 ECDH API

• Make libgmp optional when building from source

• Fixed wheels for macOS

• Breaking: Drop support for 32-bit macOS

• No longer package tests

• New: Binary wheels for Python 3.7

• Changed: Binary wheels on macOS for Python 3.5 now use Homebrew Python for compilation due to new security requirements

• Make build system support new GitHub & PyPI security requirements

• Improvements from libsecp256k1 master

• Pin version of libsecp256k1

• Improve docs

• Improvements from libsecp256k1 master

• Fix build script

• Resolved #6 . You can choose to use this or remain on 5.2.0 . This will only be a temporary change, see 3e93480 .

• Added support for supplying a custom nonce to PrivateKey.sign

• Added PublicKey.combine_keys class method

• Improvements to documentation

• Fixed an issue where secret validation would occasionally erroneously error on user-provided secrets (secrets not generated by Coincurve itself) if there were not exactly 256 bits of entropy. See #5 .

• Breaking: Coincurve is now dual-licensed under the terms of MIT and Apache-2.0

• Performance improvements from libsecp256k1 master

• Improvements to documentation.

• First public stable release August 8, 2026