Microsoft.Extensions.ObjectPool 9.0.12

Prefix Reserved
There is a newer version of this package available.
See the version list below for details.
dotnet add package Microsoft.Extensions.ObjectPool --version 9.0.12
                    
NuGet\Install-Package Microsoft.Extensions.ObjectPool -Version 9.0.12
                    
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="9.0.12" />
                    
For projects that support PackageReference, copy this XML node into the project file to reference the package.
<PackageVersion Include="Microsoft.Extensions.ObjectPool" Version="9.0.12" />
                    
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 9.0.12
                    
#r "nuget: Microsoft.Extensions.ObjectPool, 9.0.12"
                    
#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@9.0.12
                    
#: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=9.0.12
                    
Install as a Cake Addin
#tool nuget:?package=Microsoft.Extensions.ObjectPool&version=9.0.12
                    
Install as a Cake Tool

A simple object pool implementation.

This package was built from the source code at https://github.com/dotnet/aspnetcore/tree/f736effe82a61eb6f5eba46e4173eae3b7d3dffd

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 is compatible.  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 was computed. 
.NET Framework net461 was computed.  net462 is compatible.  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.
  • .NETFramework 4.6.2

    • No dependencies.
  • .NETStandard 2.0

    • No dependencies.
  • net9.0

    • No dependencies.

NuGet packages (622)

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 (93)

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

Repository Stars
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Lightweight workflow engine for .NET Standard
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Welcome to the home of the Hot Chocolate GraphQL server for .NET, the Strawberry Shake GraphQL client for .NET and Nitro the awesome Monaco based GraphQL IDE.
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This repository contains a suite of libraries that provide facilities commonly needed when creating production-ready applications.
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ReportGenerator converts coverage reports generated by coverlet, OpenCover, dotCover, Visual Studio, NCover, Cobertura, JaCoCo, Clover, gcov or lcov into human readable reports in various formats.
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.NET library to instrument your code with Prometheus metrics
Version Downloads Last Updated
10.0.2 54,956 1/13/2026
10.0.1 830,038 12/9/2025
10.0.0 2,205,120 11/11/2025
10.0.0-rc.2.25502.107 111,698 10/14/2025
10.0.0-rc.1.25451.107 67,323 9/9/2025
10.0.0-preview.7.25380.108 41,354 8/12/2025
10.0.0-preview.6.25358.103 2,352 7/15/2025
10.0.0-preview.5.25277.114 118,577 6/6/2025
10.0.0-preview.4.25258.110 3,233 5/12/2025
10.0.0-preview.3.25172.1 23,037 4/10/2025
10.0.0-preview.2.25164.1 2,288 3/18/2025
10.0.0-preview.1.25120.3 1,267 2/25/2025
9.0.12 8,409 1/13/2026
9.0.11 504,280 11/11/2025
9.0.10 2,800,493 10/14/2025
9.0.9 2,960,817 9/9/2025
9.0.8 2,129,561 8/5/2025
9.0.7 2,765,292 7/8/2025
9.0.6 2,568,633 6/10/2025
9.0.5 2,844,031 5/13/2025
9.0.4 3,312,222 4/8/2025
9.0.3 2,081,085 3/11/2025
9.0.2 6,679,087 2/11/2025
9.0.1 2,724,583 1/14/2025
9.0.0 9,802,231 11/12/2024
9.0.0-rc.2.24474.3 225,076 10/8/2024
9.0.0-rc.1.24452.1 88,382 9/10/2024
9.0.0-preview.7.24406.2 13,407 8/13/2024
9.0.0-preview.6.24328.4 16,268 7/9/2024
9.0.0-preview.5.24306.11 13,763 6/11/2024
9.0.0-preview.4.24267.6 14,861 5/21/2024
9.0.0-preview.3.24172.13 52,632 4/11/2024
9.0.0-preview.2.24128.4 5,605 3/12/2024
9.0.0-preview.1.24081.5 30,810 2/13/2024
8.0.23 6,813 1/13/2026
8.0.22 734,947 11/11/2025
8.0.21 948,671 10/14/2025
8.0.20 1,186,173 9/9/2025
8.0.19 1,213,633 8/4/2025
8.0.18 1,374,999 7/8/2025
8.0.17 1,260,720 6/10/2025
8.0.16 1,206,708 5/13/2025
8.0.15 1,786,217 4/8/2025
8.0.14 1,400,383 3/11/2025
8.0.13 1,730,417 2/11/2025
8.0.12 1,890,520 1/14/2025
8.0.11 54,197,395 11/12/2024
8.0.10 42,473,013 10/8/2024
8.0.8 7,921,608 8/13/2024
8.0.7 4,247,531 7/9/2024
8.0.6 1,779,122 5/28/2024
8.0.5 5,319,861 5/14/2024
8.0.4 5,276,926 4/9/2024
8.0.3 2,128,378 3/12/2024
8.0.2 3,791,853 2/13/2024
8.0.1 2,605,458 1/9/2024
8.0.0 25,516,851 11/14/2023
8.0.0-rc.2.23480.2 1,151,998 10/10/2023
8.0.0-rc.1.23421.29 8,037 9/12/2023
8.0.0-preview.7.23375.9 6,680 8/8/2023
8.0.0-preview.6.23329.11 12,617 7/11/2023
8.0.0-preview.5.23302.2 10,977 6/13/2023
8.0.0-preview.4.23260.4 6,155 5/16/2023
8.0.0-preview.3.23177.8 6,035 4/11/2023
8.0.0-preview.2.23153.2 3,082 3/14/2023
8.0.0-preview.1.23112.2 1,126 2/21/2023
7.0.20 226,444 5/28/2024
7.0.19 185,355 5/14/2024
7.0.18 218,006 4/9/2024
7.0.17 198,000 3/12/2024
7.0.16 201,997 2/13/2024
7.0.15 273,394 1/9/2024
7.0.14 367,717 11/14/2023
7.0.13 1,160,842 10/24/2023
7.0.12 355,002 10/10/2023
7.0.11 1,239,146 9/12/2023
7.0.10 1,023,353 8/8/2023
7.0.9 1,083,013 7/11/2023
7.0.8 855,741 6/22/2023
7.0.7 294,545 6/13/2023
7.0.5 1,973,458 4/11/2023
7.0.4 1,130,917 3/14/2023
7.0.3 2,450,821 2/14/2023
7.0.2 1,100,295 1/10/2023
7.0.1 605,461 12/13/2022
7.0.0 90,888,555 11/7/2022
7.0.0-rc.2.22476.2 23,433 10/11/2022
7.0.0-rc.1.22427.2 28,416 9/14/2022
7.0.0-preview.7.22376.6 1,173 8/9/2022
7.0.0-preview.6.22330.3 1,856 7/12/2022
7.0.0-preview.5.22303.8 1,015 6/14/2022
7.0.0-preview.4.22251.1 1,182 5/10/2022
7.0.0-preview.3.22178.4 41,904 4/13/2022
7.0.0-preview.2.22153.2 1,806 3/14/2022
7.0.0-preview.1.22109.13 1,408 2/17/2022
6.0.36 1,487,859 11/12/2024
6.0.35 363,217 10/8/2024
6.0.33 1,902,920 8/13/2024
6.0.32 499,988 7/9/2024
6.0.31 860,451 5/28/2024
6.0.30 195,081 5/14/2024
6.0.29 529,468 4/9/2024
6.0.28 398,813 3/12/2024
6.0.27 220,539 2/13/2024
6.0.26 559,414 1/9/2024
6.0.25 250,998 11/14/2023
6.0.24 215,881 10/24/2023
6.0.23 205,176 10/10/2023
6.0.22 215,687 9/12/2023
6.0.21 266,109 8/8/2023
6.0.20 361,550 7/11/2023
6.0.19 230,811 6/22/2023
6.0.18 185,864 6/13/2023
6.0.16 62,595,167 4/11/2023
6.0.15 319,862 3/14/2023
6.0.14 244,368 2/14/2023
6.0.13 245,888 1/10/2023
6.0.12 585,773 12/13/2022
6.0.11 493,767 11/7/2022
6.0.10 1,001,120 10/11/2022
6.0.9 859,276 9/13/2022
6.0.8 4,348,853 8/9/2022
6.0.7 518,631 7/12/2022
6.0.6 634,017 6/14/2022
6.0.5 1,054,474 5/10/2022
6.0.4 1,184,047 4/11/2022
6.0.3 13,931,789 3/8/2022
6.0.2 1,591,959 2/8/2022
6.0.1 1,948,285 12/14/2021
6.0.0 15,328,385 11/8/2021
6.0.0-rc.2.21480.10 18,327 10/12/2021
6.0.0-rc.1.21452.15 1,505 9/14/2021
6.0.0-preview.7.21378.6 1,248 8/10/2021
6.0.0-preview.6.21355.2 1,733 7/14/2021
6.0.0-preview.5.21301.17 1,237 6/15/2021
6.0.0-preview.4.21253.5 1,514 5/24/2021
6.0.0-preview.3.21201.13 4,397 4/8/2021
6.0.0-preview.2.21154.6 1,214 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 1,339 2/12/2021 6.0.0-preview.1.21103.6 is deprecated because it is no longer maintained.
5.0.17 2,054,726 5/10/2022 5.0.17 is deprecated because it is no longer maintained.
5.0.16 184,773 4/11/2022 5.0.16 is deprecated because it is no longer maintained.
5.0.15 223,622 3/8/2022 5.0.15 is deprecated because it is no longer maintained.
5.0.14 225,333 2/8/2022 5.0.14 is deprecated because it is no longer maintained.
5.0.13 209,575 12/14/2021 5.0.13 is deprecated because it is no longer maintained.
5.0.12 194,934 11/7/2021 5.0.12 is deprecated because it is no longer maintained.
5.0.11 1,830,753 10/12/2021 5.0.11 is deprecated because it is no longer maintained.
5.0.10 107,513,117 9/14/2021 5.0.10 is deprecated because it is no longer maintained.
5.0.9 533,695 8/10/2021 5.0.9 is deprecated because it is no longer maintained.
5.0.8 535,659 7/13/2021 5.0.8 is deprecated because it is no longer maintained.
5.0.7 1,471,800 6/8/2021 5.0.7 is deprecated because it is no longer maintained.
5.0.6 417,764 5/11/2021 5.0.6 is deprecated because it is no longer maintained.
5.0.5 3,548,180 4/6/2021 5.0.5 is deprecated because it is no longer maintained.
5.0.4 1,403,947 3/9/2021 5.0.4 is deprecated because it is no longer maintained.
5.0.3 654,606 2/9/2021 5.0.3 is deprecated because it is no longer maintained.
5.0.2 412,726 1/12/2021 5.0.2 is deprecated because it is no longer maintained.
5.0.1 1,019,163 12/8/2020 5.0.1 is deprecated because it is no longer maintained.
5.0.0 789,333 11/9/2020 5.0.0 is deprecated because it is no longer maintained.
5.0.0-rc.2.20475.17 5,014 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 5,394 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 1,337 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 2,915 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 1,357 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 1,278 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 2,433 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 1,426 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 1,493 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 1,397 3/16/2020 5.0.0-preview.1.20120.4 is deprecated because it is no longer maintained.
3.1.32 310,084 12/13/2022
3.1.31 185,251 11/8/2022
3.1.30 185,248 10/11/2022
3.1.29 186,001 9/13/2022
3.1.28 204,417 8/9/2022
3.1.27 190,349 7/12/2022
3.1.26 192,413 6/14/2022
3.1.25 206,929 5/10/2022
3.1.24 230,371 4/11/2022
3.1.23 262,584 3/8/2022
3.1.22 253,743 12/14/2021
3.1.21 282,295 11/7/2021
3.1.20 190,759 10/11/2021
3.1.19 249,496 9/14/2021
3.1.18 244,396 8/10/2021
3.1.17 296,958 7/13/2021
3.1.16 211,948 6/8/2021
3.1.15 496,181 5/11/2021
3.1.14 214,126 4/6/2021
3.1.13 289,499 3/9/2021
3.1.12 257,111 2/9/2021
3.1.11 226,450 1/12/2021
3.1.10 345,359 11/9/2020
3.1.9 460,436 10/13/2020
3.1.8 743,467 9/8/2020
3.1.7 613,314 8/11/2020
3.1.6 472,068 7/14/2020
3.1.5 766,450 6/9/2020
3.1.4 22,616,305 5/12/2020
3.1.3 765,745 3/24/2020
3.1.2 461,674 2/18/2020
3.1.1 814,390 1/14/2020
3.1.0 1,942,074 12/3/2019
3.1.0-preview3.19553.2 1,652 11/13/2019 3.1.0-preview3.19553.2 is deprecated because it is no longer maintained.
3.1.0-preview2.19525.4 1,306 11/1/2019 3.1.0-preview2.19525.4 is deprecated because it is no longer maintained.
3.1.0-preview1.19506.1 2,503 10/15/2019 3.1.0-preview1.19506.1 is deprecated because it is no longer maintained.
3.0.3 283,368 2/18/2020 3.0.3 is deprecated because it is no longer maintained.
3.0.2 208,192 1/14/2020 3.0.2 is deprecated because it is no longer maintained.
3.0.1 283,839 11/18/2019 3.0.1 is deprecated because it is no longer maintained.
3.0.0 5,036,643 9/23/2019 3.0.0 is deprecated because it is no longer maintained.
3.0.0-rc1.19456.10 1,905 9/16/2019 3.0.0-rc1.19456.10 is deprecated because it is no longer maintained.
3.0.0-preview9.19423.4 26,677 9/4/2019 3.0.0-preview9.19423.4 is deprecated because it is no longer maintained.
3.0.0-preview8.19405.4 1,983 8/13/2019 3.0.0-preview8.19405.4 is deprecated because it is no longer maintained.
3.0.0-preview7.19362.4 3,088 7/23/2019 3.0.0-preview7.19362.4 is deprecated because it is no longer maintained.
3.0.0-preview6.19304.6 6,448 6/12/2019 3.0.0-preview6.19304.6 is deprecated because it is no longer maintained.
3.0.0-preview5.19227.9 2,175 5/6/2019 3.0.0-preview5.19227.9 is deprecated because it is no longer maintained.
3.0.0-preview4.19216.2 12,900 4/18/2019 3.0.0-preview4.19216.2 is deprecated because it is no longer maintained.
3.0.0-preview3.19153.1 3,769 3/6/2019 3.0.0-preview3.19153.1 is deprecated because it is no longer maintained.
3.0.0-preview.19074.2 1,814 1/29/2019 3.0.0-preview.19074.2 is deprecated because it is no longer maintained.
3.0.0-preview.18572.1 3,431 12/4/2018 3.0.0-preview.18572.1 is deprecated because it is no longer maintained.
2.2.0 708,855,666 12/3/2018 2.2.0 is deprecated because it is no longer maintained.
2.2.0-preview3-35497 230,315 10/17/2018 2.2.0-preview3-35497 is deprecated because it is no longer maintained.
2.2.0-preview2-35157 189,916 9/12/2018 2.2.0-preview2-35157 is deprecated because it is no longer maintained.
2.2.0-preview1-35029 103,251 8/22/2018 2.2.0-preview1-35029 is deprecated because it is no longer maintained.
2.1.6 10,440,095 11/13/2018
2.1.1 386,016,606 6/18/2018
2.1.0 163,097,722 5/29/2018
2.1.0-rc1-final 381,666 5/6/2018 2.1.0-rc1-final is deprecated because it is no longer maintained.
2.1.0-preview2-final 692,337 4/10/2018 2.1.0-preview2-final is deprecated because it is no longer maintained.
2.1.0-preview1-final 470,786 2/26/2018 2.1.0-preview1-final is deprecated because it is no longer maintained.
2.0.0 178,554,563 8/11/2017 2.0.0 is deprecated because it is no longer maintained.
2.0.0-preview2-final 168,539 6/28/2017 2.0.0-preview2-final is deprecated because it is no longer maintained.
2.0.0-preview1-final 68,385 5/10/2017 2.0.0-preview1-final is deprecated because it is no longer maintained.
1.1.1 19,156,879 5/9/2017 1.1.1 is deprecated because it is no longer maintained.
1.1.0 14,683,183 11/16/2016 1.1.0 is deprecated because it is no longer maintained.
1.1.0-preview1-final 88,386 10/24/2016 1.1.0-preview1-final is deprecated because it is no longer maintained.
1.0.1 125,591,262 12/12/2016 1.0.1 is deprecated because it is no longer maintained.
1.0.0 35,220,390 6/27/2016 1.0.0 is deprecated because it is no longer maintained.
1.0.0-rc2-final 1,970,732 5/16/2016 1.0.0-rc2-final is deprecated because it is no longer maintained.