MessagePack 2.0.221-beta

.NET Core 2.1 .NET Standard 2.0

This package has at least one vulnerability with moderate severity. It may lead to specific problems in your project. Try updating the package version.

Details

Advisory: https://github.com/advisories/GHSA-7q36-4xx7-xcxf	Severity: moderate
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There is a newer version of this package available.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 2.0.221-beta

NuGet\Install-Package MessagePack -Version 2.0.221-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="2.0.221-beta" />

For projects that support PackageReference, copy this XML node into the project file to reference the package.

<PackageVersion Include="MessagePack" Version="2.0.221-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 2.0.221-beta

The NuGet Team does not provide support for this client. Please contact its maintainers for support.

#r "nuget: MessagePack, 2.0.221-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@2.0.221-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=2.0.221-beta&prerelease
                    

                            Install as a Cake Addin

#tool nuget:?package=MessagePack&version=2.0.221-beta&prerelease
                    

                            Install as a Cake Tool

The NuGet Team does not provide support for this client. Please contact its maintainers for support.

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

Product	Compatible and additional computed target framework versions.
.NET	net5.0 was computed. net5.0-windows was computed. net6.0 was computed. 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 was computed. 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 is compatible. netcoreapp2.2 was computed. netcoreapp3.0 was computed. netcoreapp3.1 was computed.
.NET Standard	netstandard2.0 is compatible. netstandard2.1 was computed.
.NET Framework	net461 was computed. net462 was computed. net463 was computed. net47 was computed. net471 was computed. net472 was computed. 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.

.NETCoreApp 2.1
- MessagePack.Annotations (>= 2.0.221-beta)
- Nerdbank.Streams (>= 2.2.26)
- System.Memory (>= 4.5.3)
- System.Reflection.Emit (>= 4.6.0)
- System.Reflection.Emit.Lightweight (>= 4.6.0)
- System.Runtime.CompilerServices.Unsafe (>= 4.6.0)
- System.Runtime.Serialization.Primitives (>= 4.3.0)
- System.Threading.Tasks.Extensions (>= 4.5.3)
.NETStandard 2.0
- MessagePack.Annotations (>= 2.0.221-beta)
- Nerdbank.Streams (>= 2.2.26)
- System.Memory (>= 4.5.3)
- System.Reflection.Emit (>= 4.6.0)
- System.Reflection.Emit.Lightweight (>= 4.6.0)
- System.Runtime.CompilerServices.Unsafe (>= 4.6.0)
- System.Runtime.Serialization.Primitives (>= 4.3.0)
- System.Threading.Tasks.Extensions (>= 4.5.3)

NuGet packages (877)

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.	40.6M
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/89c8f6a112d37d2ea8b77821e56d170a1bccdc5a	27.8M
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/89c8f6a112d37d2ea8b77821e56d170a1bccdc5a	19.8M
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.	15.7M
Microsoft.AspNetCore.SignalR.Redis Redis for ASP.NET Core SignalR.	15.5M

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 help you customize Windows and streamline everyday tasks	125.6K
ppy/osu rhythm is just a click away!	17.5K
bitwarden/server Bitwarden infrastructure/backend (API, database, Docker, etc).	17.4K
MonoGame/MonoGame One framework for creating powerful cross-platform games.	12.7K
dotnet/orleans Cloud Native application framework for .NET	10.6K
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!!	9.7K
MassTransit/MassTransit Distributed Application Framework for .NET	7.6K
microsoft/FASTER Fast persistent recoverable log and key-value store + cache, in C# and C++.	6.6K
MessagePack-CSharp/MessagePack-CSharp Extremely Fast MessagePack Serializer for C#(.NET, .NET Core, Unity, Xamarin). / msgpack.org[C#]	6.5K
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.	5.9K
FastEndpoints/FastEndpoints A light-weight REST API development framework for ASP.NET 8 and newer.	5.7K
umbraco/Umbraco-CMS Umbraco is a free and open source .NET content management system helping you deliver delightful digital experiences.	5.0K
immense/Remotely A remote control and remote scripting solution, built with .NET 8, Blazor, and SignalR.	4.9K
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.	4.3K
Cysharp/MagicOnion Unified Realtime/API framework for .NET platform and Unity.	4.3K
Cysharp/MemoryPack Zero encoding extreme performance binary serializer for C# and Unity.	4.2K
dotnetcore/DotnetSpider DotnetSpider, a .NET standard web crawling library. It is lightweight, efficient and fast high-level web crawling & scraping framework	4.1K
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.	4.1K
pwntester/ysoserial.net Deserialization payload generator for a variety of .NET formatters	3.6K
thomhurst/TUnit A modern, fast and flexible .NET testing framework	3.5K

Version	Downloads	Last Updated
3.1.4	2,446,842	6/12/2025
3.1.3	5,729,619	2/4/2025
3.1.2	1,389,361	1/27/2025
3.1.1	2,901,032	12/26/2024
3.1.0	825,598	12/12/2024
3.0.308	267,234	12/9/2024
3.0.300	235,859	12/6/2024
3.0.238-rc.1	76,712	10/23/2024
3.0.233-rc.1	3,444	10/22/2024
3.0.214-rc.1	37,652	10/17/2024
3.0.208-rc-0001	1,236	10/16/2024
3.0.134-beta	12,132	7/29/2024
3.0.129-beta	785	7/26/2024
3.0.111-alpha	10,477	7/6/2024
3.0.54-alpha	4,751	5/12/2024
2.6.100-alpha	136,789	5/20/2023
2.6.95-alpha	2,766	5/19/2023
2.5.198	367,686	4/10/2025
2.5.192	9,837,807	11/12/2024
2.5.187	10,918,235	10/17/2024
2.5.172	2,884,335	8/1/2024
2.5.171	530,684	7/5/2024
2.5.168	910,186	6/6/2024
2.5.140	7,738,466	11/30/2023
2.5.129	2,358,838	9/28/2023
2.5.124	3,550,843	6/27/2023
2.5.108	13,372,194	3/16/2023
2.5.103	42,723	3/14/2023
2.5.94	37,140	3/13/2023
2.5.64-alpha	17,657	12/3/2022
2.4.59	7,147,308	11/20/2022
2.4.35	5,443,387	6/28/2022
2.4.23-alpha	4,191	6/9/2022
2.4.14-alpha	20,186	2/28/2022
2.3.112	1,138,138	6/9/2022
2.3.85	18,562,795	9/20/2021
2.3.75	4,240,232	7/29/2021
2.3.73-alpha	3,874	7/17/2021
2.3.58-alpha	9,515	3/20/2021
2.2.113	352,682	7/17/2021
2.2.85	8,979,979	12/10/2020
2.2.60	3,073,902	9/28/2020
2.2.44-rc	15,385	9/14/2020
2.2.36-alpha	3,608	9/12/2020
2.1.194	522,294	9/14/2020
2.1.165	428,829	8/12/2020
2.1.152	40,745,511	7/1/2020
2.1.143	212,199	6/18/2020
2.1.115	3,458,388	4/11/2020
2.1.90	18,867,869	2/10/2020
2.1.80	246,345	1/30/2020
2.0.335	350,440	1/10/2020
2.0.323	521,394	12/16/2019
2.0.299-rc	26,726	11/30/2019
2.0.270-rc	13,035	11/25/2019
2.0.231-rc	6,783	11/13/2019
2.0.221-beta	22,315	11/8/2019
2.0.204-beta	6,284	11/5/2019
2.0.171-beta	6,664	10/17/2019
2.0.123-beta	14,251	7/16/2019
2.0.119-beta	6,190	7/15/2019
2.0.110-alpha	6,241	7/14/2019
1.9.11	11,226,065	2/10/2020
1.9.3	121,717	1/31/2020
1.8.80	1,226,790	11/20/2019
1.8.74	520,477	10/15/2019
1.8.71-beta	7,359	7/9/2019
1.7.3.7	14,319,317	5/14/2019
1.7.3.4	9,694,771	1/30/2018
1.7.3.3	10,201	1/30/2018
1.7.3.2	55,579	12/29/2017
1.7.3.1	13,451	12/25/2017
1.7.3	63,241	12/22/2017
1.7.2	189,040	10/13/2017
1.7.1	958,006	10/11/2017
1.7.0	17,226	10/9/2017
1.6.2	42,520	10/4/2017
1.6.1.2	35,785	9/21/2017
1.6.1.1	23,275	9/8/2017
1.6.1	31,807	8/31/2017
1.6.0.3	8,756	8/29/2017
1.6.0.2	7,823	8/29/2017
1.6.0.1	10,233	8/28/2017
1.5.1	8,986	8/23/2017
1.5.0.2	18,918	8/18/2017
1.5.0.1	7,786	8/18/2017
1.5.0	7,923	8/18/2017
1.4.4	26,983	8/4/2017
1.4.3	38,922	7/20/2017
1.4.2	15,027	7/3/2017
1.4.1	12,419	6/29/2017
1.4.0	312,371	6/27/2017
1.3.3	7,840	6/26/2017
1.3.2	9,305	6/23/2017
1.3.1.1	7,902	6/23/2017
1.3.1	9,112	6/22/2017
1.3.0	17,631	6/8/2017
1.2.3	19,718	5/24/2017
1.2.2	10,941	5/6/2017
1.2.0	10,848	4/5/2017
1.1.2	8,230	4/2/2017
1.1.1.1	6,667	4/1/2017
1.1.1	8,254	3/25/2017
1.1.0	7,806	3/25/2017
1.0.3	8,307	3/16/2017
1.0.2	7,758	3/15/2017
1.0.1	8,301	3/13/2017
1.0.0	10,370	3/12/2017
0.8.5	7,785	3/10/2017
0.8.4	7,386	3/10/2017
0.8.3	7,430	3/10/2017
0.8.2	9,323	3/9/2017
0.8.1	7,523	3/9/2017
0.8.0	8,942	3/9/2017
0.7.2	7,538	3/6/2017
0.7.0	7,330	3/6/2017
0.6.1	7,682	3/6/2017
0.6.0	7,569	3/2/2017
0.5.0	7,539	3/2/2017
0.4.2	7,363	3/1/2017
0.4.1	7,250	3/1/2017
0.4.0	29,153	3/1/2017
0.3.0-beta	6,131	2/28/2017
0.2.3-beta	6,218	2/28/2017
0.2.2-beta	6,257	2/28/2017
0.2.1-beta	6,178	2/28/2017
0.2.0-beta	6,219	2/28/2017
0.1.0-beta	7,061	2/26/2017

MessagePack 2.0.221-beta

.NETCoreApp 2.1

.NETStandard 2.0

NuGet packages (877)

GitHub repositories (169)