MessagePack 1.2.2

.NET Standard 1.4 .NET Framework 4.5

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-4qm4-8hg2-g2xm	Severity: moderate
Advisory: https://github.com/advisories/GHSA-7q36-4xx7-xcxf	Severity: moderate

There is a newer version of this package available.
See the version list below for details.

dotnet add package MessagePack --version 1.2.2

NuGet\Install-Package MessagePack -Version 1.2.2

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="1.2.2" />

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

<PackageVersion Include="MessagePack" Version="1.2.2" />
                    

                            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 1.2.2

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

#r "nuget: MessagePack, 1.2.2"

#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@1.2.2

#: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=1.2.2
                    

                            Install as a Cake Addin

#tool nuget:?package=MessagePack&version=1.2.2
                    

                            Install as a Cake Tool

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

Extremely Fast MessagePack 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	netcoreapp1.0 was computed. netcoreapp1.1 was computed. netcoreapp2.0 was computed. netcoreapp2.1 was computed. netcoreapp2.2 was computed. netcoreapp3.0 was computed. netcoreapp3.1 was computed.
.NET Standard	netstandard1.4 is compatible. netstandard1.5 was computed. netstandard1.6 was computed. netstandard2.0 was computed. netstandard2.1 was computed.
.NET Framework	net45 is compatible. net451 was computed. net452 was computed. net46 was computed. net461 was computed. net462 was computed. net463 was computed. net47 is compatible. 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	tizen30 was computed. tizen40 was computed. tizen60 was computed.
Universal Windows Platform	uap was computed. uap10.0 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.

.NETFramework 4.5
- System.Threading.Tasks.Extensions (>= 4.3.0)
- System.ValueTuple (>= 4.3.0)
.NETFramework 4.7
- System.Threading.Tasks.Extensions (>= 4.3.0)
.NETStandard 1.4
- System.Reflection.Emit (>= 4.3.0)
- System.Reflection.Emit.Lightweight (>= 4.3.0)
- System.Runtime.Serialization.Primitives (>= 4.3.0)
- System.Threading.Tasks.Extensions (>= 4.3.0)
- System.ValueTuple (>= 4.3.0)

NuGet packages (863)

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.	39.7M
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/2db1f5ee2bdda2e8d873769325fabede32e420e0	25.6M
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/2db1f5ee2bdda2e8d873769325fabede32e420e0	18.8M
Microsoft.AspNetCore.SignalR.Redis Redis for ASP.NET Core SignalR.	15.3M
Umbraco.Cms.PublishedCache.NuCache Contains the published cache assembly needed to run Umbraco CMS.	13.8M

GitHub repositories

This package is not used by any popular GitHub repositories.

Version	Downloads	Last Updated
3.1.4	921,149	6/12/2025
3.1.3	4,585,117	2/4/2025
3.1.2	1,339,185	1/27/2025
3.1.1	2,372,183	12/26/2024
3.1.0	743,653	12/12/2024
3.0.308	211,245	12/9/2024
3.0.300	186,966	12/6/2024
3.0.238-rc.1	70,930	10/23/2024
3.0.233-rc.1	3,283	10/22/2024
3.0.214-rc.1	29,797	10/17/2024
3.0.208-rc-0001	1,059	10/16/2024
3.0.134-beta	11,355	7/29/2024
3.0.129-beta	607	7/26/2024
3.0.111-alpha	10,068	7/6/2024
3.0.54-alpha	4,402	5/12/2024
2.6.100-alpha	126,307	5/20/2023
2.6.95-alpha	2,627	5/19/2023
2.5.198	214,639	4/10/2025
2.5.192	6,904,296	11/12/2024
2.5.187	8,701,676	10/17/2024
2.5.172	2,561,226	8/1/2024
2.5.171	499,999	7/5/2024
2.5.168	867,498	6/6/2024
2.5.140	7,057,787	11/30/2023
2.5.129	2,206,179	9/28/2023
2.5.124	3,372,011	6/27/2023
2.5.108	12,552,481	3/16/2023
2.5.103	40,888	3/14/2023
2.5.94	34,525	3/13/2023
2.5.64-alpha	17,473	12/3/2022
2.4.59	6,793,008	11/20/2022
2.4.35	5,291,742	6/28/2022
2.4.23-alpha	3,944	6/9/2022
2.4.14-alpha	19,929	2/28/2022
2.3.112	1,092,944	6/9/2022
2.3.85	17,906,069	9/20/2021
2.3.75	4,122,439	7/29/2021
2.3.73-alpha	3,726	7/17/2021
2.3.58-alpha	9,382	3/20/2021
2.2.113	336,153	7/17/2021
2.2.85	8,710,044	12/10/2020
2.2.60	2,924,404	9/28/2020
2.2.44-rc	15,211	9/14/2020
2.2.36-alpha	3,493	9/12/2020
2.1.194	509,471	9/14/2020
2.1.165	422,041	8/12/2020
2.1.152	39,962,535	7/1/2020
2.1.143	210,387	6/18/2020
2.1.115	3,317,030	4/11/2020
2.1.90	18,316,668	2/10/2020
2.1.80	241,382	1/30/2020
2.0.335	345,920	1/10/2020
2.0.323	505,635	12/16/2019
2.0.299-rc	26,447	11/30/2019
2.0.270-rc	12,481	11/25/2019
2.0.231-rc	6,579	11/13/2019
2.0.221-beta	22,078	11/8/2019
2.0.204-beta	6,106	11/5/2019
2.0.171-beta	6,394	10/17/2019
2.0.123-beta	14,031	7/16/2019
2.0.119-beta	5,999	7/15/2019
2.0.110-alpha	6,029	7/14/2019
1.9.11	10,838,598	2/10/2020
1.9.3	120,724	1/31/2020
1.8.80	1,215,316	11/20/2019
1.8.74	513,992	10/15/2019
1.8.71-beta	7,176	7/9/2019
1.7.3.7	14,033,425	5/14/2019
1.7.3.4	9,514,791	1/30/2018
1.7.3.3	9,847	1/30/2018
1.7.3.2	53,408	12/29/2017
1.7.3.1	12,968	12/25/2017
1.7.3	61,479	12/22/2017
1.7.2	185,347	10/13/2017
1.7.1	946,385	10/11/2017
1.7.0	16,736	10/9/2017
1.6.2	42,131	10/4/2017
1.6.1.2	35,427	9/21/2017
1.6.1.1	22,521	9/8/2017
1.6.1	31,359	8/31/2017
1.6.0.3	8,453	8/29/2017
1.6.0.2	7,576	8/29/2017
1.6.0.1	9,947	8/28/2017
1.5.1	8,688	8/23/2017
1.5.0.2	18,601	8/18/2017
1.5.0.1	7,500	8/18/2017
1.5.0	7,629	8/18/2017
1.4.4	26,667	8/4/2017
1.4.3	38,613	7/20/2017
1.4.2	14,714	7/3/2017
1.4.1	11,976	6/29/2017
1.4.0	311,541	6/27/2017
1.3.3	7,594	6/26/2017
1.3.2	8,973	6/23/2017
1.3.1.1	7,642	6/23/2017
1.3.1	8,858	6/22/2017
1.3.0	17,051	6/8/2017
1.2.3	19,379	5/24/2017
1.2.2	10,578	5/6/2017
1.2.0	10,434	4/5/2017
1.1.2	7,958	4/2/2017
1.1.1.1	6,459	4/1/2017
1.1.1	7,952	3/25/2017
1.1.0	7,526	3/25/2017
1.0.3	8,020	3/16/2017
1.0.2	7,510	3/15/2017
1.0.1	8,024	3/13/2017
1.0.0	10,006	3/12/2017
0.8.5	7,515	3/10/2017
0.8.4	7,142	3/10/2017
0.8.3	7,200	3/10/2017
0.8.2	9,075	3/9/2017
0.8.1	7,172	3/9/2017
0.8.0	8,695	3/9/2017
0.7.2	7,281	3/6/2017
0.7.0	7,087	3/6/2017
0.6.1	7,414	3/6/2017
0.6.0	7,317	3/2/2017
0.5.0	7,293	3/2/2017
0.4.2	7,129	3/1/2017
0.4.1	7,005	3/1/2017
0.4.0	27,436	3/1/2017
0.3.0-beta	5,994	2/28/2017
0.2.3-beta	6,073	2/28/2017
0.2.2-beta	6,115	2/28/2017
0.2.1-beta	6,037	2/28/2017
0.2.0-beta	6,085	2/28/2017
0.1.0-beta	6,918	2/26/2017

fix dependency for .NET 4.7.

MessagePack 1.2.2

.NETFramework 4.5

.NETFramework 4.7

.NETStandard 1.4

NuGet packages (863)

GitHub repositories