Microsoft.Extensions.ObjectPool 2.0.0-preview1-final

Prefix Reserved
Additional Details

This package has been deprecated as part of the .NET Package Deprecation effort. You can learn more about it from https://github.com/dotnet/announcements/issues/217

This is a prerelease version of Microsoft.Extensions.ObjectPool.
There is a newer version of this package available.
See the version list below for details.
dotnet add package Microsoft.Extensions.ObjectPool --version 2.0.0-preview1-final
                    
NuGet\Install-Package Microsoft.Extensions.ObjectPool -Version 2.0.0-preview1-final
                    
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="Microsoft.Extensions.ObjectPool" Version="2.0.0-preview1-final" />
                    
For projects that support PackageReference, copy this XML node into the project file to reference the package.
<PackageVersion Include="Microsoft.Extensions.ObjectPool" Version="2.0.0-preview1-final" />
                    
Directory.Packages.props
<PackageReference Include="Microsoft.Extensions.ObjectPool" />
                    
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 Microsoft.Extensions.ObjectPool --version 2.0.0-preview1-final
                    
#r "nuget: Microsoft.Extensions.ObjectPool, 2.0.0-preview1-final"
                    
#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 Microsoft.Extensions.ObjectPool@2.0.0-preview1-final
                    
#: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=Microsoft.Extensions.ObjectPool&version=2.0.0-preview1-final&prerelease
                    
Install as a Cake Addin
#tool nuget:?package=Microsoft.Extensions.ObjectPool&version=2.0.0-preview1-final&prerelease
                    
Install as a Cake Tool

A simple object pool implementation.

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 netstandard1.3 is compatible.  netstandard1.4 was computed.  netstandard1.5 was computed.  netstandard1.6 was computed.  netstandard2.0 was computed.  netstandard2.1 was computed. 
.NET Framework net46 was computed.  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 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.

NuGet packages (576)

Showing the top 5 NuGet packages that depend on Microsoft.Extensions.ObjectPool:

Package Downloads
Microsoft.AspNetCore.Http

ASP.NET Core default HTTP feature implementations.

Microsoft.AspNetCore.Routing

ASP.NET Core middleware for routing requests to application logic and for generating links. Commonly used types: Microsoft.AspNetCore.Routing.Route Microsoft.AspNetCore.Routing.RouteCollection

System.ServiceModel.Primitives

System.ServiceModel.Primitives

System.Private.ServiceModel

Package Description

Microsoft.AspNetCore.Antiforgery

An antiforgery system for ASP.NET Core designed to generate and validate tokens to prevent Cross-Site Request Forgery attacks.

GitHub repositories (100)

Showing the top 20 popular GitHub repositories that depend on Microsoft.Extensions.ObjectPool:

Repository Stars
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Version Downloads Last Updated
10.0.0 677,743 11/11/2025
10.0.0-rc.2.25502.107 107,570 10/14/2025
10.0.0-rc.1.25451.107 65,513 9/9/2025
10.0.0-preview.7.25380.108 41,035 8/12/2025
10.0.0-preview.6.25358.103 2,227 7/15/2025
10.0.0-preview.5.25277.114 118,458 6/6/2025
10.0.0-preview.4.25258.110 3,191 5/12/2025
10.0.0-preview.3.25172.1 22,991 4/10/2025
10.0.0-preview.2.25164.1 2,240 3/18/2025
10.0.0-preview.1.25120.3 1,221 2/25/2025
9.0.11 126,413 11/11/2025
9.0.10 1,826,098 10/14/2025
9.0.9 2,424,904 9/9/2025
9.0.8 1,828,392 8/5/2025
9.0.7 2,415,979 7/8/2025
9.0.6 2,222,224 6/10/2025
9.0.5 2,592,911 5/13/2025
9.0.4 2,976,234 4/8/2025
9.0.3 1,860,644 3/11/2025
9.0.2 5,775,453 2/11/2025
9.0.1 2,337,557 1/14/2025
9.0.0 8,809,081 11/12/2024
9.0.0-rc.2.24474.3 209,344 10/8/2024
9.0.0-rc.1.24452.1 86,265 9/10/2024
9.0.0-preview.7.24406.2 13,266 8/13/2024
9.0.0-preview.6.24328.4 15,999 7/9/2024
9.0.0-preview.5.24306.11 13,680 6/11/2024
9.0.0-preview.4.24267.6 14,653 5/21/2024
9.0.0-preview.3.24172.13 50,917 4/11/2024
9.0.0-preview.2.24128.4 5,576 3/12/2024
9.0.0-preview.1.24081.5 30,525 2/13/2024
8.0.22 149,194 11/11/2025
8.0.21 511,805 10/14/2025
8.0.20 819,657 9/9/2025
8.0.19 911,379 8/4/2025
8.0.18 1,103,014 7/8/2025
8.0.17 1,020,112 6/10/2025
8.0.16 971,052 5/13/2025
8.0.15 1,503,865 4/8/2025
8.0.14 1,185,145 3/11/2025
8.0.13 1,455,549 2/11/2025
8.0.12 1,614,641 1/14/2025
8.0.11 45,900,365 11/12/2024
8.0.10 37,439,318 10/8/2024
8.0.8 7,182,177 8/13/2024
8.0.7 3,953,005 7/9/2024
8.0.6 1,561,658 5/28/2024
8.0.5 4,889,689 5/14/2024
8.0.4 4,869,798 4/9/2024
8.0.3 1,938,309 3/12/2024
8.0.2 3,531,161 2/13/2024
8.0.1 2,355,582 1/9/2024
8.0.0 23,749,387 11/14/2023
8.0.0-rc.2.23480.2 1,113,277 10/10/2023
8.0.0-rc.1.23421.29 7,960 9/12/2023
8.0.0-preview.7.23375.9 6,569 8/8/2023
8.0.0-preview.6.23329.11 12,574 7/11/2023
8.0.0-preview.5.23302.2 10,104 6/13/2023
8.0.0-preview.4.23260.4 5,867 5/16/2023
8.0.0-preview.3.23177.8 5,659 4/11/2023
8.0.0-preview.2.23153.2 2,976 3/14/2023
8.0.0-preview.1.23112.2 1,088 2/21/2023
7.0.20 83,850 5/28/2024
7.0.19 45,382 5/14/2024
7.0.18 74,756 4/9/2024
7.0.17 57,794 3/12/2024
7.0.16 61,948 2/13/2024
7.0.15 133,035 1/9/2024
7.0.14 221,654 11/14/2023
7.0.13 1,011,080 10/24/2023
7.0.12 213,557 10/10/2023
7.0.11 1,088,949 9/12/2023
7.0.10 868,249 8/8/2023
7.0.9 932,071 7/11/2023
7.0.8 705,751 6/22/2023
7.0.7 154,038 6/13/2023
7.0.5 1,805,143 4/11/2023
7.0.4 981,241 3/14/2023
7.0.3 2,267,815 2/14/2023
7.0.2 950,611 1/10/2023
7.0.1 455,885 12/13/2022
7.0.0 85,797,365 11/7/2022
7.0.0-rc.2.22476.2 23,337 10/11/2022
7.0.0-rc.1.22427.2 28,355 9/14/2022
7.0.0-preview.7.22376.6 1,134 8/9/2022
7.0.0-preview.6.22330.3 1,818 7/12/2022
7.0.0-preview.5.22303.8 980 6/14/2022
7.0.0-preview.4.22251.1 1,142 5/10/2022
7.0.0-preview.3.22178.4 41,681 4/13/2022
7.0.0-preview.2.22153.2 1,767 3/14/2022
7.0.0-preview.1.22109.13 1,356 2/17/2022
6.0.36 1,162,512 11/12/2024
6.0.35 216,974 10/8/2024
6.0.33 1,661,186 8/13/2024
6.0.32 349,298 7/9/2024
6.0.31 684,320 5/28/2024
6.0.30 55,115 5/14/2024
6.0.29 379,691 4/9/2024
6.0.28 248,525 3/12/2024
6.0.27 80,233 2/13/2024
6.0.26 413,408 1/9/2024
6.0.25 109,903 11/14/2023
6.0.24 75,874 10/24/2023
6.0.23 65,259 10/10/2023
6.0.22 75,178 9/12/2023
6.0.21 124,021 8/8/2023
6.0.20 220,732 7/11/2023
6.0.19 89,790 6/22/2023
6.0.18 45,979 6/13/2023
6.0.16 59,094,969 4/11/2023
6.0.15 178,786 3/14/2023
6.0.14 104,346 2/14/2023
6.0.13 105,705 1/10/2023
6.0.12 441,232 12/13/2022
6.0.11 351,296 11/7/2022
6.0.10 844,326 10/11/2022
6.0.9 698,994 9/13/2022
6.0.8 4,161,611 8/9/2022
6.0.7 377,184 7/12/2022
6.0.6 490,488 6/14/2022
6.0.5 898,168 5/10/2022
6.0.4 1,039,067 4/11/2022
6.0.3 12,454,706 3/8/2022
6.0.2 1,448,761 2/8/2022
6.0.1 1,791,089 12/14/2021
6.0.0 14,819,451 11/8/2021
6.0.0-rc.2.21480.10 18,285 10/12/2021
6.0.0-rc.1.21452.15 1,474 9/14/2021
6.0.0-preview.7.21378.6 1,210 8/10/2021
6.0.0-preview.6.21355.2 1,694 7/14/2021
6.0.0-preview.5.21301.17 1,194 6/15/2021
6.0.0-preview.4.21253.5 1,477 5/24/2021
6.0.0-preview.3.21201.13 4,358 4/8/2021
6.0.0-preview.2.21154.6 1,172 3/11/2021 6.0.0-preview.2.21154.6 is deprecated because it is no longer maintained.
6.0.0-preview.1.21103.6 1,299 2/12/2021 6.0.0-preview.1.21103.6 is deprecated because it is no longer maintained.
5.0.17 1,838,071 5/10/2022 5.0.17 is deprecated because it is no longer maintained.
5.0.16 44,908 4/11/2022 5.0.16 is deprecated because it is no longer maintained.
5.0.15 83,742 3/8/2022 5.0.15 is deprecated because it is no longer maintained.
5.0.14 85,457 2/8/2022 5.0.14 is deprecated because it is no longer maintained.
5.0.13 69,686 12/14/2021 5.0.13 is deprecated because it is no longer maintained.
5.0.12 54,909 11/7/2021 5.0.12 is deprecated because it is no longer maintained.
5.0.11 1,659,924 10/12/2021 5.0.11 is deprecated because it is no longer maintained.
5.0.10 104,001,751 9/14/2021 5.0.10 is deprecated because it is no longer maintained.
5.0.9 391,174 8/10/2021 5.0.9 is deprecated because it is no longer maintained.
5.0.8 394,374 7/13/2021 5.0.8 is deprecated because it is no longer maintained.
5.0.7 1,312,570 6/8/2021 5.0.7 is deprecated because it is no longer maintained.
5.0.6 277,350 5/11/2021 5.0.6 is deprecated because it is no longer maintained.
5.0.5 3,378,778 4/6/2021 5.0.5 is deprecated because it is no longer maintained.
5.0.4 1,246,156 3/9/2021 5.0.4 is deprecated because it is no longer maintained.
5.0.3 510,143 2/9/2021 5.0.3 is deprecated because it is no longer maintained.
5.0.2 271,440 1/12/2021 5.0.2 is deprecated because it is no longer maintained.
5.0.1 861,099 12/8/2020 5.0.1 is deprecated because it is no longer maintained.
5.0.0 648,126 11/9/2020 5.0.0 is deprecated because it is no longer maintained.
5.0.0-rc.2.20475.17 4,958 10/13/2020 5.0.0-rc.2.20475.17 is deprecated because it is no longer maintained.
5.0.0-rc.1.20451.17 5,350 9/14/2020 5.0.0-rc.1.20451.17 is deprecated because it is no longer maintained.
5.0.0-preview.8.20414.8 1,295 8/25/2020 5.0.0-preview.8.20414.8 is deprecated because it is no longer maintained.
5.0.0-preview.7.20365.19 2,875 7/21/2020 5.0.0-preview.7.20365.19 is deprecated because it is no longer maintained.
5.0.0-preview.6.20312.15 1,310 6/25/2020 5.0.0-preview.6.20312.15 is deprecated because it is no longer maintained.
5.0.0-preview.5.20279.2 1,234 6/10/2020 5.0.0-preview.5.20279.2 is deprecated because it is no longer maintained.
5.0.0-preview.4.20257.10 2,390 5/18/2020 5.0.0-preview.4.20257.10 is deprecated because it is no longer maintained.
5.0.0-preview.3.20215.14 1,381 4/23/2020 5.0.0-preview.3.20215.14 is deprecated because it is no longer maintained.
5.0.0-preview.2.20167.3 1,445 4/2/2020 5.0.0-preview.2.20167.3 is deprecated because it is no longer maintained.
5.0.0-preview.1.20120.4 1,350 3/16/2020 5.0.0-preview.1.20120.4 is deprecated because it is no longer maintained.
3.1.32 162,483 12/13/2022
3.1.31 45,378 11/8/2022
3.1.30 45,392 10/11/2022
3.1.29 46,119 9/13/2022
3.1.28 62,611 8/9/2022
3.1.27 50,475 7/12/2022
3.1.26 52,555 6/14/2022
3.1.25 66,068 5/10/2022
3.1.24 90,383 4/11/2022
3.1.23 122,307 3/8/2022
3.1.22 113,679 12/14/2021
3.1.21 142,313 11/7/2021
3.1.20 50,878 10/11/2021
3.1.19 109,508 9/14/2021
3.1.18 104,389 8/10/2021
3.1.17 156,968 7/13/2021
3.1.16 71,895 6/8/2021
3.1.15 355,179 5/11/2021
3.1.14 73,987 4/6/2021
3.1.13 149,341 3/9/2021
3.1.12 116,044 2/9/2021
3.1.11 86,532 1/12/2021
3.1.10 203,502 11/9/2020
3.1.9 319,798 10/13/2020
3.1.8 601,993 9/8/2020
3.1.7 467,179 8/11/2020
3.1.6 331,916 7/14/2020
3.1.5 621,392 6/9/2020
3.1.4 22,120,988 5/12/2020
3.1.3 623,915 3/24/2020
3.1.2 320,431 2/18/2020
3.1.1 666,509 1/14/2020
3.1.0 1,789,419 12/3/2019
3.1.0-preview3.19553.2 1,607 11/13/2019 3.1.0-preview3.19553.2 is deprecated because it is no longer maintained.
3.1.0-preview2.19525.4 1,262 11/1/2019 3.1.0-preview2.19525.4 is deprecated because it is no longer maintained.
3.1.0-preview1.19506.1 2,454 10/15/2019 3.1.0-preview1.19506.1 is deprecated because it is no longer maintained.
3.0.3 143,308 2/18/2020 3.0.3 is deprecated because it is no longer maintained.
3.0.2 68,288 1/14/2020 3.0.2 is deprecated because it is no longer maintained.
3.0.1 143,790 11/18/2019 3.0.1 is deprecated because it is no longer maintained.
3.0.0 4,864,002 9/23/2019 3.0.0 is deprecated because it is no longer maintained.
3.0.0-rc1.19456.10 1,857 9/16/2019 3.0.0-rc1.19456.10 is deprecated because it is no longer maintained.
3.0.0-preview9.19423.4 26,610 9/4/2019 3.0.0-preview9.19423.4 is deprecated because it is no longer maintained.
3.0.0-preview8.19405.4 1,941 8/13/2019 3.0.0-preview8.19405.4 is deprecated because it is no longer maintained.
3.0.0-preview7.19362.4 3,046 7/23/2019 3.0.0-preview7.19362.4 is deprecated because it is no longer maintained.
3.0.0-preview6.19304.6 6,380 6/12/2019 3.0.0-preview6.19304.6 is deprecated because it is no longer maintained.
3.0.0-preview5.19227.9 2,133 5/6/2019 3.0.0-preview5.19227.9 is deprecated because it is no longer maintained.
3.0.0-preview4.19216.2 12,856 4/18/2019 3.0.0-preview4.19216.2 is deprecated because it is no longer maintained.
3.0.0-preview3.19153.1 3,722 3/6/2019 3.0.0-preview3.19153.1 is deprecated because it is no longer maintained.
3.0.0-preview.19074.2 1,769 1/29/2019 3.0.0-preview.19074.2 is deprecated because it is no longer maintained.
3.0.0-preview.18572.1 3,382 12/4/2018 3.0.0-preview.18572.1 is deprecated because it is no longer maintained.
2.2.0 693,396,774 12/3/2018 2.2.0 is deprecated because it is no longer maintained.
2.2.0-preview3-35497 229,935 10/17/2018 2.2.0-preview3-35497 is deprecated because it is no longer maintained.
2.2.0-preview2-35157 189,500 9/12/2018 2.2.0-preview2-35157 is deprecated because it is no longer maintained.
2.2.0-preview1-35029 102,963 8/22/2018 2.2.0-preview1-35029 is deprecated because it is no longer maintained.
2.1.6 10,203,297 11/13/2018
2.1.1 375,255,964 6/18/2018
2.1.0 161,796,950 5/29/2018
2.1.0-rc1-final 380,502 5/6/2018 2.1.0-rc1-final is deprecated because it is no longer maintained.
2.1.0-preview2-final 688,465 4/10/2018 2.1.0-preview2-final is deprecated because it is no longer maintained.
2.1.0-preview1-final 469,924 2/26/2018 2.1.0-preview1-final is deprecated because it is no longer maintained.
2.0.0 176,461,446 8/11/2017 2.0.0 is deprecated because it is no longer maintained.
2.0.0-preview2-final 168,200 6/28/2017 2.0.0-preview2-final is deprecated because it is no longer maintained.
2.0.0-preview1-final 68,201 5/10/2017 2.0.0-preview1-final is deprecated because it is no longer maintained.
1.1.1 18,981,356 5/9/2017 1.1.1 is deprecated because it is no longer maintained.
1.1.0 14,546,580 11/16/2016 1.1.0 is deprecated because it is no longer maintained.
1.1.0-preview1-final 88,303 10/24/2016 1.1.0-preview1-final is deprecated because it is no longer maintained.
1.0.1 125,026,706 12/12/2016 1.0.1 is deprecated because it is no longer maintained.
1.0.0 34,868,114 6/27/2016 1.0.0 is deprecated because it is no longer maintained.
1.0.0-rc2-final 1,967,595 5/16/2016 1.0.0-rc2-final is deprecated because it is no longer maintained.