History¶

Important changes are emphasized.

Unreleased¶

20.0.0¶

• Breaking: CMake is now a build dependency; this is only a breaking change for redistributors as building with standard Python packaging tools will automatically use the CMake that is available on PyPI
• Breaking: Stop building wheels for Windows 32-bit
• Build wheels for Windows ARM64

19.0.1¶

• Fix regression in Windows wheels

19.0.0¶

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

18.0.0¶

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

17.0.0¶

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

16.0.0¶

• Wheels for Apple Silicon and musl linux (Alpine)
• No wheels for PyPy until the build system is fixed

15.0.1¶

• Fix the combine method of PublicKey

15.0.0¶

• 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

14.0.0¶

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

13.0.0¶

• 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

12.0.0¶

• 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

11.0.0¶

• 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

10.0.0¶

• Support tox for testing
• Compatibility with latest libsecp256k1 ECDH API
• Make libgmp optional when building from source

9.0.0¶

• Fixed wheels for macOS
• Breaking: Drop support for 32-bit macOS

8.0.2¶

• No longer package tests

8.0.0¶

• 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

7.1.0¶

• Pin version of libsecp256k1
• Improve docs

7.0.0¶

• Improvements from libsecp256k1 master
• Fix build script

6.0.0¶

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

5.2.0¶

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

5.1.0¶

• Added PublicKey.combine_keys class method
• Improvements to documentation

5.0.1¶

• 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.

5.0.0¶

• Breaking: Coincurve is now dual-licensed under the terms of MIT and Apache-2.0
• Performance improvements from libsecp256k1 master
• Improvements to documentation.

4.5.1¶

• First public stable release