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There is a newer version of this package available.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 (544)

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.

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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-rc.2.25502.107 30,381 10/14/2025
10.0.0-rc.1.25451.107 63,030 9/9/2025
10.0.0-preview.7.25380.108 40,266 8/12/2025
10.0.0-preview.6.25358.103 2,189 7/15/2025
10.0.0-preview.5.25277.114 118,393 6/6/2025
10.0.0-preview.4.25258.110 3,167 5/12/2025
10.0.0-preview.3.25172.1 22,961 4/10/2025
10.0.0-preview.2.25164.1 2,210 3/18/2025
10.0.0-preview.1.25120.3 1,187 2/25/2025
9.0.10 450,759 10/14/2025
9.0.9 1,674,280 9/9/2025
9.0.8 1,550,181 8/5/2025
9.0.7 2,041,956 7/8/2025
9.0.6 1,947,236 6/10/2025
9.0.5 2,327,063 5/13/2025
9.0.4 2,728,531 4/8/2025
9.0.3 1,745,621 3/11/2025
9.0.2 4,855,571 2/11/2025
9.0.1 2,035,439 1/14/2025
9.0.0 7,815,865 11/12/2024
9.0.0-rc.2.24474.3 199,084 10/8/2024
9.0.0-rc.1.24452.1 83,908 9/10/2024
9.0.0-preview.7.24406.2 13,062 8/13/2024
9.0.0-preview.6.24328.4 15,613 7/9/2024
9.0.0-preview.5.24306.11 13,605 6/11/2024
9.0.0-preview.4.24267.6 14,426 5/21/2024
9.0.0-preview.3.24172.13 49,406 4/11/2024
9.0.0-preview.2.24128.4 5,541 3/12/2024
9.0.0-preview.1.24081.5 30,078 2/13/2024
8.0.21 109,833 10/14/2025
8.0.20 497,536 9/9/2025
8.0.19 683,706 8/4/2025
8.0.18 883,183 7/8/2025
8.0.17 873,951 6/10/2025
8.0.16 820,836 5/13/2025
8.0.15 1,305,051 4/8/2025
8.0.14 1,066,758 3/11/2025
8.0.13 1,278,231 2/11/2025
8.0.12 1,440,473 1/14/2025
8.0.11 37,249,028 11/12/2024
8.0.10 31,983,850 10/8/2024
8.0.8 6,660,412 8/13/2024
8.0.7 3,756,351 7/9/2024
8.0.6 1,459,206 5/28/2024
8.0.5 4,505,587 5/14/2024
8.0.4 4,566,481 4/9/2024
8.0.3 1,863,628 3/12/2024
8.0.2 3,385,240 2/13/2024
8.0.1 2,227,737 1/9/2024
8.0.0 21,949,773 11/14/2023
8.0.0-rc.2.23480.2 1,066,681 10/10/2023
8.0.0-rc.1.23421.29 7,895 9/12/2023
8.0.0-preview.7.23375.9 6,452 8/8/2023
8.0.0-preview.6.23329.11 12,546 7/11/2023
8.0.0-preview.5.23302.2 9,186 6/13/2023
8.0.0-preview.4.23260.4 5,786 5/16/2023
8.0.0-preview.3.23177.8 5,360 4/11/2023
8.0.0-preview.2.23153.2 2,898 3/14/2023
8.0.0-preview.1.23112.2 1,059 2/21/2023
7.0.20 74,850 5/28/2024
7.0.19 38,326 5/14/2024
7.0.18 62,488 4/9/2024
7.0.17 50,417 3/12/2024
7.0.16 54,620 2/13/2024
7.0.15 125,468 1/9/2024
7.0.14 204,505 11/14/2023
7.0.13 993,263 10/24/2023
7.0.12 204,570 10/10/2023
7.0.11 1,072,180 9/12/2023
7.0.10 844,264 8/8/2023
7.0.9 911,773 7/11/2023
7.0.8 690,090 6/22/2023
7.0.7 146,333 6/13/2023
7.0.5 1,769,043 4/11/2023
7.0.4 963,992 3/14/2023
7.0.3 2,208,935 2/14/2023
7.0.2 932,910 1/10/2023
7.0.1 439,763 12/13/2022
7.0.0 80,430,688 11/7/2022
7.0.0-rc.2.22476.2 23,233 10/11/2022
7.0.0-rc.1.22427.2 28,312 9/14/2022
7.0.0-preview.7.22376.6 1,102 8/9/2022
7.0.0-preview.6.22330.3 1,780 7/12/2022
7.0.0-preview.5.22303.8 952 6/14/2022
7.0.0-preview.4.22251.1 1,107 5/10/2022
7.0.0-preview.3.22178.4 41,643 4/13/2022
7.0.0-preview.2.22153.2 1,740 3/14/2022
7.0.0-preview.1.22109.13 1,311 2/17/2022
6.0.36 966,201 11/12/2024
6.0.35 199,062 10/8/2024
6.0.33 1,546,760 8/13/2024
6.0.32 329,607 7/9/2024
6.0.31 631,134 5/28/2024
6.0.30 48,095 5/14/2024
6.0.29 363,003 4/9/2024
6.0.28 230,680 3/12/2024
6.0.27 72,964 2/13/2024
6.0.26 400,018 1/9/2024
6.0.25 101,818 11/14/2023
6.0.24 68,713 10/24/2023
6.0.23 58,261 10/10/2023
6.0.22 66,985 9/12/2023
6.0.21 115,318 8/8/2023
6.0.20 212,816 7/11/2023
6.0.19 81,293 6/22/2023
6.0.18 39,008 6/13/2023
6.0.16 55,433,176 4/11/2023
6.0.15 170,277 3/14/2023
6.0.14 97,215 2/14/2023
6.0.13 97,982 1/10/2023
6.0.12 429,747 12/13/2022
6.0.11 341,810 11/7/2022
6.0.10 821,529 10/11/2022
6.0.9 669,765 9/13/2022
6.0.8 4,094,826 8/9/2022
6.0.7 368,298 7/12/2022
6.0.6 478,887 6/14/2022
6.0.5 873,366 5/10/2022
6.0.4 1,026,704 4/11/2022
6.0.3 11,038,238 3/8/2022
6.0.2 1,437,533 2/8/2022
6.0.1 1,762,988 12/14/2021
6.0.0 14,397,529 11/8/2021
6.0.0-rc.2.21480.10 18,251 10/12/2021
6.0.0-rc.1.21452.15 1,442 9/14/2021
6.0.0-preview.7.21378.6 1,182 8/10/2021
6.0.0-preview.6.21355.2 1,662 7/14/2021
6.0.0-preview.5.21301.17 1,155 6/15/2021
6.0.0-preview.4.21253.5 1,444 5/24/2021
6.0.0-preview.3.21201.13 4,328 4/8/2021
6.0.0-preview.2.21154.6 1,129 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 1,255 2/12/2021 6.0.0-preview.1.21103.6 is deprecated because it is no longer maintained.
5.0.17 1,750,706 5/10/2022 5.0.17 is deprecated because it is no longer maintained.
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5.0.15 76,744 3/8/2022 5.0.15 is deprecated because it is no longer maintained.
5.0.14 78,496 2/8/2022 5.0.14 is deprecated because it is no longer maintained.
5.0.13 62,693 12/14/2021 5.0.13 is deprecated because it is no longer maintained.
5.0.12 47,827 11/7/2021 5.0.12 is deprecated because it is no longer maintained.
5.0.11 1,627,973 10/12/2021 5.0.11 is deprecated because it is no longer maintained.
5.0.10 100,330,510 9/14/2021 5.0.10 is deprecated because it is no longer maintained.
5.0.9 379,913 8/10/2021 5.0.9 is deprecated because it is no longer maintained.
5.0.8 384,620 7/13/2021 5.0.8 is deprecated because it is no longer maintained.
5.0.7 1,286,036 6/8/2021 5.0.7 is deprecated because it is no longer maintained.
5.0.6 269,779 5/11/2021 5.0.6 is deprecated because it is no longer maintained.
5.0.5 3,333,801 4/6/2021 5.0.5 is deprecated because it is no longer maintained.
5.0.4 1,219,166 3/9/2021 5.0.4 is deprecated because it is no longer maintained.
5.0.3 497,908 2/9/2021 5.0.3 is deprecated because it is no longer maintained.
5.0.2 263,348 1/12/2021 5.0.2 is deprecated because it is no longer maintained.
5.0.1 826,509 12/8/2020 5.0.1 is deprecated because it is no longer maintained.
5.0.0 639,787 11/9/2020 5.0.0 is deprecated because it is no longer maintained.
5.0.0-rc.2.20475.17 4,846 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 5,305 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 1,253 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 2,831 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 1,270 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 1,189 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 2,345 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 1,334 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 1,405 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 1,306 3/16/2020 5.0.0-preview.1.20120.4 is deprecated because it is no longer maintained.
3.1.32 145,745 12/13/2022
3.1.31 38,412 11/8/2022
3.1.30 38,458 10/11/2022
3.1.29 39,136 9/13/2022
3.1.28 53,124 8/9/2022
3.1.27 43,526 7/12/2022
3.1.26 45,601 6/14/2022
3.1.25 57,582 5/10/2022
3.1.24 83,292 4/11/2022
3.1.23 115,292 3/8/2022
3.1.22 106,440 12/14/2021
3.1.21 134,883 11/7/2021
3.1.20 43,901 10/11/2021
3.1.19 102,466 9/14/2021
3.1.18 97,391 8/10/2021
3.1.17 149,754 7/13/2021
3.1.16 64,716 6/8/2021
3.1.15 347,123 5/11/2021
3.1.14 66,794 4/6/2021
3.1.13 142,121 3/9/2021
3.1.12 107,956 2/9/2021
3.1.11 79,542 1/12/2021
3.1.10 194,300 11/9/2020
3.1.9 312,020 10/13/2020
3.1.8 593,613 9/8/2020
3.1.7 451,308 8/11/2020
3.1.6 324,372 7/14/2020
3.1.5 609,540 6/9/2020
3.1.4 21,736,303 5/12/2020
3.1.3 614,338 3/24/2020
3.1.2 312,127 2/18/2020
3.1.1 650,819 1/14/2020
3.1.0 1,767,006 12/3/2019
3.1.0-preview3.19553.2 1,567 11/13/2019 3.1.0-preview3.19553.2 is deprecated because it is no longer maintained.
3.1.0-preview2.19525.4 1,220 11/1/2019 3.1.0-preview2.19525.4 is deprecated because it is no longer maintained.
3.1.0-preview1.19506.1 2,410 10/15/2019 3.1.0-preview1.19506.1 is deprecated because it is no longer maintained.
3.0.3 136,286 2/18/2020 3.0.3 is deprecated because it is no longer maintained.
3.0.2 61,315 1/14/2020 3.0.2 is deprecated because it is no longer maintained.
3.0.1 136,679 11/18/2019 3.0.1 is deprecated because it is no longer maintained.
3.0.0 4,813,090 9/23/2019 3.0.0 is deprecated because it is no longer maintained.
3.0.0-rc1.19456.10 1,814 9/16/2019 3.0.0-rc1.19456.10 is deprecated because it is no longer maintained.
3.0.0-preview9.19423.4 26,547 9/4/2019 3.0.0-preview9.19423.4 is deprecated because it is no longer maintained.
3.0.0-preview8.19405.4 1,901 8/13/2019 3.0.0-preview8.19405.4 is deprecated because it is no longer maintained.
3.0.0-preview7.19362.4 3,006 7/23/2019 3.0.0-preview7.19362.4 is deprecated because it is no longer maintained.
3.0.0-preview6.19304.6 6,299 6/12/2019 3.0.0-preview6.19304.6 is deprecated because it is no longer maintained.
3.0.0-preview5.19227.9 2,086 5/6/2019 3.0.0-preview5.19227.9 is deprecated because it is no longer maintained.
3.0.0-preview4.19216.2 12,805 4/18/2019 3.0.0-preview4.19216.2 is deprecated because it is no longer maintained.
3.0.0-preview3.19153.1 3,668 3/6/2019 3.0.0-preview3.19153.1 is deprecated because it is no longer maintained.
3.0.0-preview.19074.2 1,722 1/29/2019 3.0.0-preview.19074.2 is deprecated because it is no longer maintained.
3.0.0-preview.18572.1 3,340 12/4/2018 3.0.0-preview.18572.1 is deprecated because it is no longer maintained.
2.2.0 676,497,386 12/3/2018 2.2.0 is deprecated because it is no longer maintained.
2.2.0-preview3-35497 229,560 10/17/2018 2.2.0-preview3-35497 is deprecated because it is no longer maintained.
2.2.0-preview2-35157 188,990 9/12/2018 2.2.0-preview2-35157 is deprecated because it is no longer maintained.
2.2.0-preview1-35029 102,765 8/22/2018 2.2.0-preview1-35029 is deprecated because it is no longer maintained.
2.1.6 9,942,683 11/13/2018
2.1.1 363,558,630 6/18/2018
2.1.0 160,472,077 5/29/2018
2.1.0-rc1-final 378,145 5/6/2018 2.1.0-rc1-final is deprecated because it is no longer maintained.
2.1.0-preview2-final 682,065 4/10/2018 2.1.0-preview2-final is deprecated because it is no longer maintained.
2.1.0-preview1-final 467,961 2/26/2018 2.1.0-preview1-final is deprecated because it is no longer maintained.
2.0.0 174,548,267 8/11/2017 2.0.0 is deprecated because it is no longer maintained.
2.0.0-preview2-final 167,845 6/28/2017 2.0.0-preview2-final is deprecated because it is no longer maintained.
2.0.0-preview1-final 67,962 5/10/2017 2.0.0-preview1-final is deprecated because it is no longer maintained.
1.1.1 18,822,546 5/9/2017 1.1.1 is deprecated because it is no longer maintained.
1.1.0 14,458,689 11/16/2016 1.1.0 is deprecated because it is no longer maintained.
1.1.0-preview1-final 88,208 10/24/2016 1.1.0-preview1-final is deprecated because it is no longer maintained.
1.0.1 124,567,325 12/12/2016 1.0.1 is deprecated because it is no longer maintained.
1.0.0 34,627,122 6/27/2016 1.0.0 is deprecated because it is no longer maintained.
1.0.0-rc2-final 1,964,990 5/16/2016 1.0.0-rc2-final is deprecated because it is no longer maintained.