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changelog: update #1702

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Jul 21, 2025
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changelog: update #1702

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16 changes: 16 additions & 0 deletions CHANGELOG.md
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Expand Up @@ -7,11 +7,27 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0

## [Unreleased]

#### Added
- CMake: Added `secp256k1_objs` interface library to allow parent projects to embed libsecp256k1 object files into their own static libraries.
- build: Added `SECP256K1_NO_API_VISIBILITY_ATTRIBUTES` preprocessor flag (CMake option: `SECP256K1_ENABLE_API_VISIBILITY_ATTRIBUTES`) that disables explicit "visibility" attributes for API symbols. Defining this macro enables the user to control the visibility of the API symbols via `-fvisibility=<value>` when building libsecp256k1. (All non-API declarations will always have hidden visibility, even with `SECP256K1_ENABLE_API_VISIBILITY_ATTRIBUTES` defined.) For instance, `-fvisibility=hidden` can be useful even for the API symbols, e.g., when building a static libsecp256k1 which is linked into a shared library, and the latter should not re-export the libsecp256k1 API.

#### Changed
- The pointers `secp256k1_context_static` and `secp256k1_context_no_precomp` to the constant context object are now const.
- Removed `SECP256K1_WARN_UNUSED_RESULT` attribute (defined as `__attribute__ ((__warn_unused_result__))`) from several API functions that always return 1. Compilers will no longer warn if the return value is unused.
- CMake: Building with CMake is no longer considered experimental.
- CMake: The minimum required CMake version was increased to 3.22.
- CMake: Shared libraries built with CMake on FreeBSD now create the full versioned filename and symlink chain, matching the behavior of autotools builds.

#### Removed
- Removed previously deprecated function aliases `secp256k1_ec_privkey_negate`, `secp256k1_ec_privkey_tweak_add` and
`secp256k1_ec_privkey_tweak_mul`. Use `secp256k1_ec_seckey_negate`, `secp256k1_ec_seckey_tweak_add` and
`secp256k1_ec_seckey_tweak_mul` instead.

#### ABI Compatibility
The symbols `secp256k1_ec_privkey_negate`, `secp256k1_ec_privkey_tweak_add`, and `secp256k1_ec_privkey_tweak_mul` were removed.
The pointers `secp256k1_context_static` and `secp256k1_context_no_precomp` have been made const.
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if you touch this again, for consistency,

Suggested change
The pointers `secp256k1_context_static` and `secp256k1_context_no_precomp` have been made const.
The pointers `secp256k1_context_static` and `secp256k1_context_no_precomp` were made const.

Otherwise, the library maintains backward compatibility with version 0.6.0.

## [0.6.0] - 2024-11-04

#### Added
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