MessagePack 3.0.134-beta

.NET 6.0 This package targets .NET 6.0. The package is compatible with this framework or higher. .NET Standard 2.0 This package targets .NET Standard 2.0. The package is compatible with this framework or higher. .NET Framework 4.7.2 This package targets .NET Framework 4.7.2. The package is compatible with this framework or higher.
Details
Advisory: https://github.com/advisories/GHSA-4qm4-8hg2-g2xm Severity: moderate
This is a prerelease version of MessagePack.
There is a newer version of this package available.
See the version list below for details. 
dotnet add package MessagePack --version 3.0.134-beta
                    


                    

                
NuGet\Install-Package MessagePack -Version 3.0.134-beta
This command is intended to be used within the Package Manager Console in Visual Studio, as it uses the NuGet module's version of Install-Package. 
<PackageReference Include="MessagePack" Version="3.0.134-beta" />
For projects that support PackageReference, copy this XML node into the project file to reference the package. 
<PackageVersion Include="MessagePack" Version="3.0.134-beta" />
                    


                            Directory.Packages.props
                        

                    

                
<PackageReference Include="MessagePack" />
                    


                            Project file
For projects that support Central Package Management (CPM), copy this XML node into the solution Directory.Packages.props file to version the package. 
paket add MessagePack --version 3.0.134-beta
                    


                    

                
#r "nuget: MessagePack, 3.0.134-beta"
#r directive can be used in F# Interactive and Polyglot Notebooks. Copy this into the interactive tool or source code of the script to reference the package. 
#:package MessagePack@3.0.134-beta
#:package directive can be used in C# file-based apps starting in .NET 10 preview 4. Copy this into a .cs file before any lines of code to reference the package. 
#addin nuget:?package=MessagePack&version=3.0.134-beta&prerelease
                    


                            Install as a Cake Addin
                        

                    

                
#tool nuget:?package=MessagePack&version=3.0.134-beta&prerelease
                    


                            Install as a Cake Tool

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

Product Compatible and additional computed target framework versions.
.NET net5.0 was computed.  net5.0-windows was computed.  net6.0 is compatible.  net6.0-android was computed.  net6.0-ios was computed.  net6.0-maccatalyst was computed.  net6.0-macos was computed.  net6.0-tvos was computed.  net6.0-windows was computed.  net7.0 was computed.  net7.0-android was computed.  net7.0-ios was computed.  net7.0-maccatalyst was computed.  net7.0-macos was computed.  net7.0-tvos was computed.  net7.0-windows was computed.  net8.0 is compatible.  net8.0-android was computed.  net8.0-browser was computed.  net8.0-ios was computed.  net8.0-maccatalyst was computed.  net8.0-macos was computed.  net8.0-tvos was computed.  net8.0-windows was computed.  net9.0 was computed.  net9.0-android was computed.  net9.0-browser was computed.  net9.0-ios was computed.  net9.0-maccatalyst was computed.  net9.0-macos was computed.  net9.0-tvos was computed.  net9.0-windows was computed.  net10.0 was computed.  net10.0-android was computed.  net10.0-browser was computed.  net10.0-ios was computed.  net10.0-maccatalyst was computed.  net10.0-macos was computed.  net10.0-tvos was computed.  net10.0-windows was computed. 
.NET Core netcoreapp2.0 was computed.  netcoreapp2.1 was computed.  netcoreapp2.2 was computed.  netcoreapp3.0 was computed.  netcoreapp3.1 was computed. 
.NET Standard netstandard2.0 is compatible.  netstandard2.1 is compatible. 
.NET Framework net461 was computed.  net462 was computed.  net463 was computed.  net47 was computed.  net471 was computed.  net472 is compatible.  net48 was computed.  net481 was computed. 
MonoAndroid monoandroid was computed. 
MonoMac monomac was computed. 
MonoTouch monotouch was computed. 
Tizen tizen40 was computed.  tizen60 was computed. 
Xamarin.iOS xamarinios was computed. 
Xamarin.Mac xamarinmac was computed. 
Xamarin.TVOS xamarintvos was computed. 
Xamarin.WatchOS xamarinwatchos was computed. 
Compatible target framework(s)
Included target framework(s) (in package)
Learn more about Target Frameworks and .NET Standard.

NuGet packages (961)

Showing the top 5 NuGet packages that depend on MessagePack:

Package Downloads
Microsoft.VisualStudio.Debugger.Contracts

Package containing extensibility contracts between the debugger and other Visual Studio components, such as language services.
Microsoft.AspNetCore.SignalR.StackExchangeRedis

Provides scale-out support for ASP.NET Core SignalR using a Redis server and the StackExchange.Redis client. This package was built from the source code at https://github.com/dotnet/dotnet/tree/87bc0b04e21d786669142109a5128c95618b75ed
Microsoft.AspNetCore.SignalR.Protocols.MessagePack

Implements the SignalR Hub Protocol over MsgPack. This package was built from the source code at https://github.com/dotnet/dotnet/tree/87bc0b04e21d786669142109a5128c95618b75ed
StreamJsonRpc

A cross-platform .NETStandard library that implements the JSON-RPC wire protocol and can use System.IO.Stream, System.IO.Pipelines or WebSocket so you can use it with any transport.
Umbraco.Cms.Web.Common

Contains the web assembly needed to run Umbraco CMS.

GitHub repositories (169)

Showing the top 20 popular GitHub repositories that depend on MessagePack:

Repository Stars
microsoft/PowerToys
Microsoft PowerToys is a collection of utilities that supercharge productivity and customization on Windows
bitwarden/server
Bitwarden infrastructure/backend (API, database, Docker, etc).
ppy/osu
rhythm is just a *click* away!
MonoGame/MonoGame
One framework for creating powerful cross-platform games.
dotnet/orleans
Cloud Native application framework for .NET
unoplatform/uno
Open-source platform for building cross-platform native Mobile, Web, Desktop and Embedded apps quickly. Create rich, C#/XAML, single-codebase apps from any IDE. Hot Reload included! 90m+ NuGet Downloads!!
MassTransit/MassTransit
Distributed Application Framework for .NET
microsoft/FASTER
Fast persistent recoverable log and key-value store + cache, in C# and C++.
Azure/azure-sdk-for-net
This repository is for active development of the Azure SDK for .NET. For consumers of the SDK we recommend visiting our public developer docs at https://learn.microsoft.com/dotnet/azure/ or our versioned developer docs at https://azure.github.io/azure-sdk-for-net.
FastEndpoints/FastEndpoints
A light-weight REST API development framework for ASP.NET 8 and newer.
umbraco/Umbraco-CMS
Umbraco is a free and open source .NET content management system helping you deliver delightful digital experiences.
immense/Remotely
A remote control and remote scripting solution, built with .NET 8, Blazor, and SignalR.
Cysharp/MemoryPack
Zero encoding extreme performance binary serializer for C# and Unity.
dotnetcore/FreeSql
.NET aot orm, VB.NET/C# orm, Mysql/PostgreSQL/SqlServer/Oracle orm, Sqlite/Firebird/Clickhouse/DuckDB orm, 达梦/金仓/虚谷/翰高/高斯 orm, 神通 orm, 南大通用 orm, 国产 orm, TDengine orm, QuestDB orm, MsAccess orm.
Cysharp/MagicOnion
Unified Realtime/API framework for .NET platform and Unity.
focus-creative-games/luban
luban是一个强大、易用、优雅、稳定的游戏配置解决方案。luban is a powerful, easy-to-use, elegant and stable game configuration solution.
dotnetcore/DotnetSpider
DotnetSpider, a .NET standard web crawling library. It is lightweight, efficient and fast high-level web crawling & scraping framework
thomhurst/TUnit
A modern, fast and flexible .NET testing framework
pwntester/ysoserial.net
Deserialization payload generator for a variety of .NET formatters
ZiggyCreatures/FusionCache
FusionCache is an easy to use, fast and robust hybrid cache with advanced resiliency features.
Version Downloads Last Updated
3.1.4 5,380,634 6/12/2025
3.1.3 6,949,105 2/4/2025
3.1.2 1,454,882 1/27/2025
3.1.1 3,492,811 12/26/2024
3.1.0 946,731 12/12/2024
3.0.308 409,594 12/9/2024
3.0.300 270,871 12/6/2024
3.0.238-rc.1 84,303 10/23/2024
3.0.233-rc.1 3,674 10/22/2024
3.0.214-rc.1 49,979 10/17/2024
3.0.208-rc-0001 1,411 10/16/2024 3.0.208-rc-0001 has at least one vulnerability with moderate severity.
3.0.134-beta 12,521 7/29/2024 3.0.134-beta has at least one vulnerability with moderate severity.
3.0.129-beta 844 7/26/2024 3.0.129-beta has at least one vulnerability with moderate severity.
3.0.111-alpha 10,949 7/6/2024 3.0.111-alpha has at least one vulnerability with moderate severity.
2.5.198 689,658 4/10/2025
2.5.192 15,231,164 11/12/2024
2.5.187 15,159,190 10/17/2024
2.5.172 3,285,704 8/1/2024 2.5.172 has at least one vulnerability with moderate severity.
2.5.171 584,849 7/5/2024 2.5.171 has at least one vulnerability with moderate severity.
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https://github.com/neuecc/MessagePack-CSharp/releases/tag/v3.0.134-beta