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
Ardalis.GuardClauses
A simple package by @ardalis and @nimblepros with guard clause helper methods. See docs for how to extend using your own extension methods defined in your project.
230
Abp
Abp
22
Elsa.Studio
Elsa Studio bundle of commonly used packages.
21
Elsa.Labels
Provides funtionality to tag workflows with labels and filter by them.
20
Abp
Abp
20
Elsa.Workflows.Runtime
Provides workflow runtime functionality.
20
Volo.Abp.Core
Package Description
20
Elsa.Studio.Shared
Elsa Studio shared services and components.
19
Abp
Package Description
19
Elsa.Alterations.Core
Provides core interfaces, models and services that support the alteration engine.
19
Volo.Abp.Core
Package Description
19
Elsa.Studio.Core.BlazorWasm
Blazor WebAssembly impementation for certain abstractions provided by Elsa.Studio.Core.
18
System.Linq.Dynamic.Core
This is a .net core port of the the Microsoft assembly for the .Net 4.0 Dynamic language functionality.
18
Elsa.Studio.UIHints
Adds various UI hint handlers for activity input.
18
Elsa.Scheduling
Provides scheduling activities such as Timer, Delay and StartAt.
18
Elsa.Expressions
Provides infrastructure for registering and executing workflow expressions. Out of the box, it provides a DelegateExpression and LiteralExpression.
18

• 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 4 11/30/2025
2025.2.2 8 11/24/2025
2025.2.1 7 9/3/2025
2025.2.0 10 8/11/2025
2025.1.0-eap1 11 3/5/2025
2024.3.0 14 3/5/2025
2024.3.0-eap1 12 3/5/2025
2024.2.0 9 3/5/2025
2024.2.0-eap1 11 3/5/2025
2023.3.0 10 1/21/2024
2023.3.0-eap4 10 3/5/2025
2023.3.0-eap3 7 3/5/2025
2023.2.0 16 3/5/2025
2023.2.0-eap3 10 3/5/2025
2023.2.0-eap2 8 3/5/2025
2023.2.0-eap1 9 3/5/2025
2022.3.1 10 3/5/2025
2022.1.0 13 3/5/2025
2022.1.0-eap3 11 3/5/2025
2022.1.0-eap2 10 3/5/2025
2021.3.0 14 3/5/2025
2021.3.0-eap5 12 3/5/2025
2021.3.0-eap4 8 3/5/2025
2021.3.0-eap3 9 3/5/2025
2021.2.0 16 6/25/2023
2021.2.0-eap3 10 3/5/2025
2021.2.0-eap2 12 3/5/2025
2021.1.0 10 3/5/2025
2021.1.0-eap01 9 3/5/2025
2020.3.0 8 3/5/2025
2020.1.0 13 3/5/2025
2019.1.3 12 3/5/2025
2019.1.2 13 3/5/2025
2019.1.1 14 3/5/2025
2018.3.0 14 3/5/2025
2018.2.1 13 3/5/2025
11.1.0 11 3/6/2025
11.0.0 14 3/6/2025
10.4.0 10 3/6/2025
10.3.0 11 3/6/2025
10.2.1 12 3/6/2025
10.2.0 14 3/6/2025
10.1.5 13 3/6/2025
10.1.4 13 3/6/2025
10.0.0 11 3/6/2025
9.2.0 10 3/7/2025
9.1.2 11 3/7/2025
9.1.1 8 3/7/2025
8.0.5 13 3/7/2025
8.0.4 12 3/7/2025
8.0.3 13 3/7/2025
7.0.0 11 3/7/2025
6.1.0 14 3/7/2025