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MessagePack

v2.5.198

Extremely Fast MessagePack(MsgPack) Serializer for C# (.NET Framework, .NET 6, Unity, Xamarin).

aarnott neuecc
MsgPack MessagePack Serialization Formatter Serializer Unity Xamarin
NuGet Stats Changelog
Total Downloads
317.2M
317,166,597
Published
Apr 10, 2025
Latest stable version

Install

.NET CLI
dotnet add package MessagePack --version 2.5.198
Package Manager Console
Install-Package MessagePack -Version 2.5.198
PackageReference
<PackageReference Include="MessagePack" Version="2.5.198" />

Frameworks

.NETFramework4.7.2 net6.0 .NETStandard2.0

Dependencies

MessagePack.Annotations
.NETFramework4.7.2
[2.5.198, )
Microsoft.Bcl.AsyncInterfaces
.NETFramework4.7.2
[6.0.0, )
Microsoft.NET.StringTools
.NETFramework4.7.2
[17.6.3, )
System.Collections.Immutable
.NETFramework4.7.2
[6.0.0, )
System.Memory
.NETFramework4.7.2
[4.5.5, )
System.Runtime.CompilerServices.Unsafe
.NETFramework4.7.2
[6.0.0, )
System.Threading.Tasks.Extensions
.NETFramework4.7.2
[4.5.4, )
MessagePack.Annotations
net6.0
[2.5.198, )
Microsoft.NET.StringTools
net6.0
[17.6.3, )
MessagePack.Annotations
.NETStandard2.0
[2.5.198, )
Microsoft.Bcl.AsyncInterfaces
.NETStandard2.0
[6.0.0, )
Microsoft.NET.StringTools
.NETStandard2.0
[17.6.3, )
System.Collections.Immutable
.NETStandard2.0
[6.0.0, )
System.Reflection.Emit
.NETStandard2.0
[4.7.0, )
System.Reflection.Emit.Lightweight
.NETStandard2.0
[4.7.0, )
System.Threading.Tasks.Extensions
.NETStandard2.0
[4.5.4, )
System.Memory
.NETStandard2.0
[4.5.5, )
System.Runtime.CompilerServices.Unsafe
.NETStandard2.0
[6.0.0, )

Adoption guide

Assess this package against its supported frameworks, license, maintenance signals and dependency graph before making it a project standard.

Published vulnerability advisories exist for this version. Read the advisory and choose a remediated version before release.

Compatibility metadata lists 3 target frameworks; confirm the exact target used by your application.

The published metadata declares 18 direct dependency entries across framework groups. Inspect the resolved dependency graph for your target framework.

How to read this guidance

Sources: published NuGet v3 registry metadata and explicit NuBrowse editorial guides. Refresh: package metadata is refreshed from NuGet when the page loads. Limit: this is not a security, legal or compatibility guarantee; validate the selected version in your project.

Useful next steps

Move from package metadata to a concrete selection or review workflow.

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