JetBrains.Annotations 2025.2.4

JetBrains ReSharper Annotations

ReSharper Annotations help reduce false positive warnings, explicitly declare purity and nullability in your code, deal with implicit usages of types and members, support special semantics of the APIs in ASP.NET and XAML frameworks and otherwise increase the accuracy of the code inspections in JetBrains .NET IDEs.

Available on nuget.org as an ordinary compiled nuget package and a source-code only package.

official JetBrains project

Showing the top 20 packages that depend on JetBrains.Annotations.

Packages Downloads
Aliyun.SLS.SDK
Aliyun LogService SDK for .NET Core.
15,938
Avalonia
Avalonia is a cross-platform UI framework for .NET providing a flexible styling system and supporting a wide range of Operating Systems such as Windows, Linux, macOS and with experimental support for Android, iOS and WebAssembly.
111
Avalonia
Avalonia is a cross-platform UI framework for .NET providing a flexible styling system and supporting a wide range of Operating Systems such as Windows, Linux, macOS and with experimental support for Android, iOS and WebAssembly.
114
Avalonia
Avalonia is a cross-platform UI framework for .NET providing a flexible styling system and supporting a wide range of Operating Systems such as Windows, Linux, MacOS and with experimental support for Android, iOS and WebAssembly.
105
Avalonia
Avalonia is a cross-platform UI framework for .NET providing a flexible styling system and supporting a wide range of Operating Systems such as Windows, Linux, MacOS and with experimental support for Android, iOS and WebAssembly.
110
Avalonia
Avalonia is a cross-platform UI framework for .NET providing a flexible styling system and supporting a wide range of Operating Systems such as Windows, Linux, MacOS and with experimental support for Android, iOS and WebAssembly.
112
Avalonia
Avalonia is a cross-platform UI framework for .NET providing a flexible styling system and supporting a wide range of Operating Systems such as Windows, Linux, MacOS and with experimental support for Android, iOS and WebAssembly.
113
Avalonia
Avalonia is a cross-platform UI framework for .NET providing a flexible styling system and supporting a wide range of Operating Systems such as Windows, Linux, MacOS and with experimental support for Android, iOS and WebAssembly.
119
Avalonia
Avalonia is a WPF/UWP-inspired cross-platform XAML-based UI framework providing a flexible styling system and supporting a wide range of Operating Systems such as Windows (.NET Framework, .NET Core), Linux (via Xorg), MacOS and with experimental support for Android and iOS.
106
Avalonia
Avalonia is a WPF/UWP-inspired cross-platform XAML-based UI framework providing a flexible styling system and supporting a wide range of Operating Systems such as Windows (.NET Framework, .NET Core), Linux (via Xorg), MacOS and with experimental support for Android and iOS.
110
Avalonia
Avalonia is a WPF/UWP-inspired cross-platform XAML-based UI framework providing a flexible styling system and supporting a wide range of Operating Systems such as Windows (.NET Framework, .NET Core), Linux (via Xorg), MacOS and with experimental support for Android and iOS.
111
Avalonia
Avalonia is a WPF/UWP-inspired cross-platform XAML-based UI framework providing a flexible styling system and supporting a wide range of Operating Systems such as Windows (.NET Framework, .NET Core), Linux (via Xorg), MacOS and with experimental support for Android and iOS.
112
Avalonia
Avalonia is a WPF/UWP-inspired cross-platform XAML-based UI framework providing a flexible styling system and supporting a wide range of Operating Systems such as Windows (.NET Framework, .NET Core), Linux (via Xorg), MacOS and with experimental support for Android and iOS.
113
Avalonia
Avalonia is a WPF/UWP-inspired cross-platform XAML-based UI framework providing a flexible styling system and supporting a wide range of Operating Systems such as Windows (.NET Framework, .NET Core), Linux (via Xorg), MacOS and with experimental support for Android and iOS.
114
Avalonia
Avalonia is a WPF/UWP-inspired cross-platform XAML-based UI framework providing a flexible styling system and supporting a wide range of Operating Systems such as Windows (.NET Framework, .NET Core), Linux (via Xorg), MacOS and with experimental support for Android and iOS.
115
GitVersion.Tool
Derives SemVer information from a repository following GitFlow or GitHubFlow. This is the .NET Core Global Tool allowing usage of GitVersion from command line.
100
GitVersion.Tool
Derives SemVer information from a repository following GitFlow or GitHubFlow. This is the .NET Core Global Tool allowing usage of GitVersion from command line.
110
Nuke.Common
Cross-platform build automation system
101

• Added Microsoft Authenticode code signing for binaries. • New `JetBrains.Annotations.Sources` package introduced as an alternative way to embed JetBrains.Annotations into your C# projects without binary package dependency. All annotation types declared as `internal` and marked with `[Embedded]` and `[GeneratedCode]` attribute. • Added `DefaultEqualityUsageAttribute` for equality members usage analysis. • `MustDisposeResourceAttribute` is now allowed on struct types. • Added the ability to specify the description for UsedImplicitlyAttribute (new 'Reason' property). • Added `CqrsCommandAttribute`, `CqrsQueryAttribute`, `CqrsCommandHandlerAttribute`, `CqrsQueryHandlerAttribute` and `CqrsExcludeFromAnalysisAttribute` to support CQRS analyzes of naming and adherence to the pattern. • Package icon updated.

.NET Framework 2.0

  • No dependencies.

.NETPortable 4.0

  • No dependencies.

.NET Standard 1.0

.NET Standard 2.0

  • No dependencies.

Version Downloads Last updated
2025.2.4 48 11/27/2025
2025.2.2 35 09/04/2025
2025.2.1 41 08/31/2025
2025.2.0 53 07/25/2025
2025.1.0-eap1 60 01/28/2025
2024.3.0 63 10/31/2024
2024.3.0-eap1 66 10/31/2024
2024.2.0 61 11/16/2024
2024.2.0-eap1 68 05/22/2024
2023.3.0 71 11/20/2023
2023.3.0-eap4 67 05/03/2024
2023.3.0-eap3 66 05/25/2024
2023.2.0 64 07/16/2023
2023.2.0-eap3 67 06/14/2023
2023.2.0-eap2 74 06/14/2023
2023.2.0-eap1 63 08/04/2023
2022.3.1 60 05/30/2024
2021.3.0-eap4 66 06/14/2023
2021.2.0-eap3 51 06/08/2022
2021.2.0-eap2 71 05/25/2024
9.1.2 64 06/14/2023
9.1.1 64 05/30/2024
8.0.3 66 06/14/2023
6.1.0 60 05/30/2024