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Version 2.18.0-44.1.beta
Merge '2.18.0-44.0.dev' into beta
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‎.dart_tool/package_config.json‎

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‎.gitignore‎

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packages
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pubspec.lock
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# The top level package files (these are auto-generated per checkout)
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/.dart_tool/package_config.json
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/.packages
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# Local pub storage
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.pub
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‎.packages‎

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‎CHANGELOG.md‎

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## 2.18.0
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### Core libraries
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#### `dart:html`
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- Add `connectionState` attribute and `connectionstatechange` listener to
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`RtcPeerConnection`.
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## 2.17.0
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### Language
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- Add `ref=` and `[]=` methods to the `StructPointer` and `UnionPointer`
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extensions. They copy a compound instance into a native memory region.
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- Add `AbiSpecificInteger`s for common C types:
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- `char`
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- `unsigned char`
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- `signed char`
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- `short`
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- `unsigned short`
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- `int`
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- `unsigned int`
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- `long`
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- `unsigned long`
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- `long long`
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- `unsigned long long`
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- `uintptr_t`
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- `size_t`
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- `wchar_t`
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- Add `NativeFinalizer` which can potentially detect when objects are
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"garbage collected". `NativeFinalizer`s run native code where `dart:core`'s
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`Finalizer`s run Dart code on finalization.
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#### `dart:html`
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error with an existing stack trace, instead of creating
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a new stack trace.
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#### `dart:ffi`
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- Add `Abi` and `AbiSpecificInteger`. These enable specifying integers which
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have different sizes/signs per ABI (hardware and OS combination).
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#### `dart:io`
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- **Security advisory**
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Code catching the class should move to catching `Error` instead
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(or, for integers, check first for whether it's dividing by zero).
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#### `dart:ffi`
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- Add `Bool` native type.
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#### `dart:io`
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- **Breaking change** [#46875](https://github.com/dart-lang/sdk/issues/46875):
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#### `dart:ffi`
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- Adds the `DynamicLibrary.providesSymbol` function to check whether a symbol is
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- Add the `DynamicLibrary.providesSymbol` function to check whether a symbol is
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available in a dynamic library.
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- Add `Union` native type for interacting with unions in native memory.
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#### `dart:html`
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- Added `serverWebSocketUri` property to `ServiceProtocolInfo`.
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#### `dart:ffi`
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- Add `Packed` for interacting with packed structs in native memory.
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- Add `Array` for interacting with structs with inline arrays.
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### Dart VM
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### Tools
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- Add `Set.unmodifiable()` constructor, which allows users to create
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unmodifiable `Set` instances.
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#### `dart:ffi`
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- **Breaking change** [#44621][]: Invocations with a generic `T` of `sizeOf<T>`,
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`Pointer<T>.elementAt()`, `Pointer<T extends Struct>.ref`, and
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`Pointer<T extends Struct>[]` are being deprecated in the current stable
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release (2.12), and are planned to be fully removed in the following stable
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release (2.13). Consequently, `allocate` in `package:ffi` will no longer be
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able to invoke `sizeOf<T>` generically, and will be deprecated as well.
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Instead, the `Allocator` it is introduced to `dart:ffi`, and also requires a
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constant `T` on invocations. For migration notes see the breaking change
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request.
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- **Breaking change** [#44622][]: Subtypes of `Struct` without any native member
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are being deprecated in the current stable release (2.12), and are planned to
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be fully removed in the following stable release (2.13). Migrate opaque types
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to extend `Opaque` rather than `Struct`.
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[#44621]: https://github.com/dart-lang/sdk/issues/44621
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[#44622]: https://github.com/dart-lang/sdk/issues/44622
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#### `dart:io`
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- `HttpRequest` now correctly follows HTTP 308 redirects
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[#42312]: https://github.com/dart-lang/sdk/issues/42312
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### Foreign Function Interface (`dart:ffi`)
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- **Breaking change** [#44621][]: Invocations with a generic `T` of `sizeOf<T>`,
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`Pointer<T>.elementAt()`, `Pointer<T extends Struct>.ref`, and
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`Pointer<T extends Struct>[]` are being deprecated in the current stable
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release (2.12), and are planned to be fully removed in the following stable
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release (2.13). Consequently, `allocate` in `package:ffi` will no longer be
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able to invoke `sizeOf<T>` generically, and will be deprecated as well.
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Instead, the `Allocator` it is introduced to `dart:ffi`, and also requires a
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constant `T` on invocations. For migration notes see the breaking change
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request.
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- **Breaking change** [#44622][]: Subtypes of `Struct` without any native member
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are being deprecated in the current stable release (2.12), and are planned to
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be fully removed in the following stable release (2.13). Migrate opaque types
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to extend `Opaque` rather than `Struct`.
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[#44621]: https://github.com/dart-lang/sdk/issues/44621
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[#44622]: https://github.com/dart-lang/sdk/issues/44622
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### Dart2JS
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- Remove `--no-defer-class-types` and `--no-new-deferred-split`.
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parameter provided in the constructor. This will be used by tooling to allow
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for better filtering of timeline events.
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#### `dart:ffi`
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- **Breaking change**: Changed `Pointer.asFunction()` and
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`DynamicLibrary.lookupFunction()` to extension methods. Invoking them
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dynamically previously already threw an exception, so the runtime behavior
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stays the same. However, the extension methods are only visible if `dart:ffi`
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is imported directly. This breaks code where `dart:ffi` is not directly
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imported. To fix, add:
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```dart
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import 'dart:ffi';
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```
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#### `dart:html`
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- **Breaking change** [#39627][]: Changed the return type of several HTML native
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- `Dart_IsNonNullableType()`
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### Foreign Function Interface (`dart:ffi`)
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- **Breaking change**: Changed `Pointer.asFunction()` and
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`DynamicLibrary.lookupFunction()` to extension methods. Invoking them
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dynamically previously already threw an exception, so the runtime behavior
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stays the same. However, the extension methods are only visible if `dart:ffi`
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is imported directly. This breaks code where `dart:ffi` is not directly
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imported. To fix, add:
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```dart
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import 'dart:ffi';
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```
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### Tools
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#### Dart Dev Compiler (DDC)
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#### `dart:io`
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- Added `enableTimelineLogging` property to `HttpClient` which, when enabled,
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will post HTTP connection and request information to the developer timeline
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for all `HttpClient` instances.
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### Dart VM
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- Added a new tool for AOT compiling Dart programs to native, self-contained
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executables. See https://dart.dev/tools/dart2native for additional details.
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### Foreign Function Interface (`dart:ffi`)
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#### `dart:ffi`
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- **Breaking change**: The API now makes use of static extension members. Static
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extension members enable the `dart:ffi` API to be more precise with types, and
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- The dartanalyzer (commandline and IDEs) now reports `dart:ffi` static errors.
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- Callbacks are now supported in AOT (ahead-of-time) compiled code.
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#### `dart:io`
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- Added `enableTimelineLogging` property to `HttpClient` which, when enabled,
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will post HTTP connection and request information to the developer timeline
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for all `HttpClient` instances.
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### Dart VM
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- Added a new tool for AOT compiling Dart programs to native, self-contained
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executables. See https://dart.dev/tools/dart2native for additional details.
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### Dart for the Web
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#### Dart Dev Compiler (DDC)

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