AsyncFixer v2.1.0

• AsyncFixer01: Add support for analyzing and fixing async local functions.
• AsyncFixer01: Detect unnecessary async in methods with terminal awaits in all if-else branches.
• AsyncFixer04: Detect fire-and-forget async calls in using var declarations (C# 8.0+) and warn when a task is returned from a using scope without being awaited. The disposable resource will be disposed before the returned task completes. (#13)
• AsyncFixer04: Fix false positive when task is assigned to a variable and awaited later within the same using block (e.g., await Task.WhenAny(task, ...)).
• AsyncFixer06: Fix false positive for Assert.ThrowsAsync and similar assertion methods where discarding the Task<T> result is intentional.
• AsyncFixer03: Add test coverage for event handlers using Action<T> delegates. (#16)
• Improve diagnostic messages and README for better AI assistant compatibility.
• AsyncFixer06: New analyzer to detect implicit Task<T> to Task conversion in non-async lambdas. Unlike async lambdas which produce compiler error CS8031, non-async lambdas silently discard the result. (#26)
• AsyncFixer01: Fix false positive with await foreach statements. (#41)
• AsyncFixer01: Fix false positives for ValueTask<T> return types.
• AsyncFixer02: Fix false positive with nameof(Task.Result). (#30)
• AsyncFixer02: Fix false positive after Task.WhenAll - accessing .Result on awaited WhenAll tasks is safe.
• AsyncFixer02: Fix false positives in synchronous local functions and lambdas inside async methods.
• AsyncFixer03: Fix false positive with generic EventArgs types. (#39)
• AsyncFixer05: Fix false positive with TaskTupleAwaiter and similar custom awaiters. (#31)
• AsyncFixer05: Detect nested Task in return statements. (#27)
• Code Fix: Correct nested invocation handling in Fix All operations. (#37)
• Code Fix: Add parentheses when async conversion is followed by member access. (#38)
• Upgrade Microsoft.CodeAnalysis to v4.8.0.

Nuget package

https://www.nuget.org/packages/AsyncFixer/2.1.0

Visual Studio 2022-2026 Extension

Updated with v2.1.0: https://marketplace.visualstudio.com/items?itemName=SemihOkur.AsyncFixer2022

AsyncFixer v1.6.0

• 01.UnnecessaryAsync: Do not warn when the await expressions are in the scope of a using-declaration.
• 01.UnnecessaryAsync: Fix crash due to InvalidCastExpression.
• Upgrade Visual Studio SDK packages for vsix extensions.
• Upgrade Microsoft.CodeAnalysis package to 3.11.0

Nuget package

https://www.nuget.org/packages/AsyncFixer/1.6.0

Visual Studio 2022 Extension

Updated with v1.6.0: https://marketplace.visualstudio.com/items?itemName=SemihOkur.AsyncFixer2022

Visual Studio 2019 Extension

Updated with v1.6.0: https://marketplace.visualstudio.com/items?itemName=SemihOkur.AsyncFixer

AsyncFixer v1.5.1

• 01.UnnecessaryAsync: Implemented a dataflow analysis for disposable objects to fix false-negatives and false-positives

Nuget package

https://www.nuget.org/packages/AsyncFixer/1.5.1

Visual Studio Extension

Updated with v1.5.1: https://marketplace.visualstudio.com/items?itemName=SemihOkur.AsyncFixer

AsyncFixer v1.5.0

• 01.UnnecessaryAsync: Fix false-negatives to cover more cases
• 02.BlockingCallInsideAsync: Stop suggesting async calls for virtual calls and Dispose methods
• Add support for ValueTask

Nuget package

https://www.nuget.org/packages/AsyncFixer/1.5.0

Visual Studio Extension

Updated with v1.5.0: https://marketplace.visualstudio.com/items?itemName=SemihOkur.AsyncFixer

AsyncFixer v1.4.1

• 01.UnnecessaryAsync: Take account of the lack of covariance in the Task class
• 03.AsyncVoid: Add support for fire-and-forget delegates
• 04.AsyncCallInsideUsingBlock: Fix a potential NRE

Nuget package

https://www.nuget.org/packages/AsyncFixer/1.4.1

Visual Studio Extension

Updated with v1.4.1: https://marketplace.visualstudio.com/items?itemName=SemihOkur.AsyncFixer

AsyncFixer v1.4.0

• 01.UnnecessaryAsync: Fix false warnings with using expression statements
• 01.UnnecessaryAsync: Support for expression-bodied members
• 02.BlockingCallInsideAsync: Stop suggesting async calls from non-system assemblies

Nuget package

https://www.nuget.org/packages/AsyncFixer/1.4.0

Visual Studio Extension

https://marketplace.visualstudio.com/items?itemName=SemihOkur.AsyncFixer