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merged 3 commits into from
May 1, 2025
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Update CHANGELOG for 4.1.0 #1396

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a8c813e
Update CHANGELOG for 4.1.0
kevinAlbs May 1, 2025
c3a6f8e
clarify narrowing conversion now throws exception
kevinAlbs May 1, 2025
fbae069
document ABI break for relocating `optional` and `string_view`
kevinAlbs May 1, 2025
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10 changes: 9 additions & 1 deletion CHANGELOG.md
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Expand Up @@ -7,15 +7,19 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0

Changes prior to 3.9.0 are documented as [release notes on GitHub](https://github.com/mongodb/mongo-cxx-driver/releases).

## 4.1.0 [Unreleased]
## 4.1.0

### Fixed

- The API version of auto-downloaded C Driver libraries no longer incorrectly inherits the C++ Driver's `BUILD_VERSION` value.
- Potentially unchecked narrowing conversion in `bsoncxx::v_noabi::builder::core::append()` now throws an exception with error code `k_cannot_append_string`.

### Added

- `storage_engine()` in `mongocxx::v_noabi::options::index`.
- Support for sort option with replaceOne and updateOne operations.
- Support for BSON Binary Vector.
- Support $lookup in CSFLE and QE.

### Deprecated

Expand All @@ -29,6 +33,10 @@ Changes prior to 3.9.0 are documented as [release notes on GitHub](https://githu
- Bump the minimum required C Driver version to [2.0.0](https://github.com/mongodb/mongo-c-driver/releases/tag/2.0.0).
- Set CMake maximum policy version to 4.0.
- The CMake minimum required version is still 3.15.
- C++17 polyfill implementations for `optional<T>` and `string_view` are now declared in the `bsoncxx::v1::stdx` namespace.
- The `bsoncxx::v_noabi::stdx` namespace now contains type aliases to their `v1` equivalents.
- This is an ABI breaking change for all symbols which reference `bsoncxx::v_noabi::stdx` in their declaration (including mongocxx library symbols).
- This does not affect users who compile with C++17 or newer and have not set `BSONCXX_POLY_USE_IMPLS=ON`.

## 4.0.0

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