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There is a newer version of this package available.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 (536)

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

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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.1.25451.107 36,839 9/9/2025
10.0.0-preview.7.25380.108 40,068 8/12/2025
10.0.0-preview.6.25358.103 2,131 7/15/2025
10.0.0-preview.5.25277.114 118,371 6/6/2025
10.0.0-preview.4.25258.110 3,151 5/12/2025
10.0.0-preview.3.25172.1 22,941 4/10/2025
10.0.0-preview.2.25164.1 2,162 3/18/2025
10.0.0-preview.1.25120.3 1,165 2/25/2025
9.0.9 957,177 9/9/2025
9.0.8 1,334,991 8/5/2025
9.0.7 1,773,527 7/8/2025
9.0.6 1,773,164 6/10/2025
9.0.5 2,147,026 5/13/2025
9.0.4 2,602,477 4/8/2025
9.0.3 1,673,089 3/11/2025
9.0.2 4,376,543 2/11/2025
9.0.1 1,874,921 1/14/2025
9.0.0 7,247,670 11/12/2024
9.0.0-rc.2.24474.3 193,326 10/8/2024
9.0.0-rc.1.24452.1 82,193 9/10/2024
9.0.0-preview.7.24406.2 12,976 8/13/2024
9.0.0-preview.6.24328.4 15,369 7/9/2024
9.0.0-preview.5.24306.11 13,522 6/11/2024
9.0.0-preview.4.24267.6 14,227 5/21/2024
9.0.0-preview.3.24172.13 48,971 4/11/2024
9.0.0-preview.2.24128.4 5,526 3/12/2024
9.0.0-preview.1.24081.5 29,722 2/13/2024
8.0.20 281,042 9/9/2025
8.0.19 523,390 8/4/2025
8.0.18 727,833 7/8/2025
8.0.17 787,314 6/10/2025
8.0.16 733,104 5/13/2025
8.0.15 1,181,121 4/8/2025
8.0.14 993,211 3/11/2025
8.0.13 1,163,607 2/11/2025
8.0.12 1,361,266 1/14/2025
8.0.11 32,761,686 11/12/2024
8.0.10 29,037,713 10/8/2024
8.0.8 6,414,311 8/13/2024
8.0.7 3,642,767 7/9/2024
8.0.6 1,407,668 5/28/2024
8.0.5 4,295,233 5/14/2024
8.0.4 4,415,687 4/9/2024
8.0.3 1,818,756 3/12/2024
8.0.2 3,303,549 2/13/2024
8.0.1 2,160,078 1/9/2024
8.0.0 20,980,964 11/14/2023
8.0.0-rc.2.23480.2 1,042,581 10/10/2023
8.0.0-rc.1.23421.29 7,851 9/12/2023
8.0.0-preview.7.23375.9 6,380 8/8/2023
8.0.0-preview.6.23329.11 12,524 7/11/2023
8.0.0-preview.5.23302.2 7,826 6/13/2023
8.0.0-preview.4.23260.4 5,689 5/16/2023
8.0.0-preview.3.23177.8 5,215 4/11/2023
8.0.0-preview.2.23153.2 2,844 3/14/2023
8.0.0-preview.1.23112.2 1,023 2/21/2023
7.0.20 72,845 5/28/2024
7.0.19 37,344 5/14/2024
7.0.18 59,607 4/9/2024
7.0.17 49,279 3/12/2024
7.0.16 53,416 2/13/2024
7.0.15 124,295 1/9/2024
7.0.14 200,907 11/14/2023
7.0.13 985,436 10/24/2023
7.0.12 202,638 10/10/2023
7.0.11 1,066,003 9/12/2023
7.0.10 834,725 8/8/2023
7.0.9 902,464 7/11/2023
7.0.8 683,036 6/22/2023
7.0.7 145,063 6/13/2023
7.0.5 1,749,914 4/11/2023
7.0.4 957,278 3/14/2023
7.0.3 2,177,419 2/14/2023
7.0.2 925,965 1/10/2023
7.0.1 433,785 12/13/2022
7.0.0 77,495,859 11/7/2022
7.0.0-rc.2.22476.2 23,183 10/11/2022
7.0.0-rc.1.22427.2 28,275 9/14/2022
7.0.0-preview.7.22376.6 1,076 8/9/2022
7.0.0-preview.6.22330.3 1,751 7/12/2022
7.0.0-preview.5.22303.8 928 6/14/2022
7.0.0-preview.4.22251.1 1,080 5/10/2022
7.0.0-preview.3.22178.4 41,611 4/13/2022
7.0.0-preview.2.22153.2 1,720 3/14/2022
7.0.0-preview.1.22109.13 1,268 2/17/2022
6.0.36 861,640 11/12/2024
6.0.35 187,708 10/8/2024
6.0.33 1,475,545 8/13/2024
6.0.32 319,367 7/9/2024
6.0.31 602,734 5/28/2024
6.0.30 47,176 5/14/2024
6.0.29 356,235 4/9/2024
6.0.28 224,005 3/12/2024
6.0.27 71,799 2/13/2024
6.0.26 393,107 1/9/2024
6.0.25 100,354 11/14/2023
6.0.24 67,701 10/24/2023
6.0.23 57,412 10/10/2023
6.0.22 65,627 9/12/2023
6.0.21 114,077 8/8/2023
6.0.20 211,405 7/11/2023
6.0.19 79,872 6/22/2023
6.0.18 38,181 6/13/2023
6.0.16 53,440,732 4/11/2023
6.0.15 168,698 3/14/2023
6.0.14 96,165 2/14/2023
6.0.13 96,722 1/10/2023
6.0.12 426,139 12/13/2022
6.0.11 339,458 11/7/2022
6.0.10 809,300 10/11/2022
6.0.9 655,044 9/13/2022
6.0.8 4,062,053 8/9/2022
6.0.7 366,193 7/12/2022
6.0.6 474,528 6/14/2022
6.0.5 862,908 5/10/2022
6.0.4 1,022,107 4/11/2022
6.0.3 10,252,458 3/8/2022
6.0.2 1,434,449 2/8/2022
6.0.1 1,750,072 12/14/2021
6.0.0 14,134,906 11/8/2021
6.0.0-rc.2.21480.10 18,222 10/12/2021
6.0.0-rc.1.21452.15 1,414 9/14/2021
6.0.0-preview.7.21378.6 1,161 8/10/2021
6.0.0-preview.6.21355.2 1,634 7/14/2021
6.0.0-preview.5.21301.17 1,134 6/15/2021
6.0.0-preview.4.21253.5 1,417 5/24/2021
6.0.0-preview.3.21201.13 4,306 4/8/2021
6.0.0-preview.2.21154.6 1,089 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 1,214 2/12/2021 6.0.0-preview.1.21103.6 is deprecated because it is no longer maintained.
5.0.17 1,707,377 5/10/2022 5.0.17 is deprecated because it is no longer maintained.
5.0.16 37,133 4/11/2022 5.0.16 is deprecated because it is no longer maintained.
5.0.15 75,666 3/8/2022 5.0.15 is deprecated because it is no longer maintained.
5.0.14 77,675 2/8/2022 5.0.14 is deprecated because it is no longer maintained.
5.0.13 61,866 12/14/2021 5.0.13 is deprecated because it is no longer maintained.
5.0.12 46,931 11/7/2021 5.0.12 is deprecated because it is no longer maintained.
5.0.11 1,610,752 10/12/2021 5.0.11 is deprecated because it is no longer maintained.
5.0.10 98,251,214 9/14/2021 5.0.10 is deprecated because it is no longer maintained.
5.0.9 376,977 8/10/2021 5.0.9 is deprecated because it is no longer maintained.
5.0.8 379,698 7/13/2021 5.0.8 is deprecated because it is no longer maintained.
5.0.7 1,272,461 6/8/2021 5.0.7 is deprecated because it is no longer maintained.
5.0.6 268,699 5/11/2021 5.0.6 is deprecated because it is no longer maintained.
5.0.5 3,308,345 4/6/2021 5.0.5 is deprecated because it is no longer maintained.
5.0.4 1,203,093 3/9/2021 5.0.4 is deprecated because it is no longer maintained.
5.0.3 493,433 2/9/2021 5.0.3 is deprecated because it is no longer maintained.
5.0.2 261,976 1/12/2021 5.0.2 is deprecated because it is no longer maintained.
5.0.1 814,623 12/8/2020 5.0.1 is deprecated because it is no longer maintained.
5.0.0 636,937 11/9/2020 5.0.0 is deprecated because it is no longer maintained.
5.0.0-rc.2.20475.17 4,821 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 5,271 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 1,223 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 2,807 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 1,239 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 1,156 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 2,313 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 1,305 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 1,379 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 1,279 3/16/2020 5.0.0-preview.1.20120.4 is deprecated because it is no longer maintained.
3.1.32 139,664 12/13/2022
3.1.31 37,606 11/8/2022
3.1.30 37,528 10/11/2022
3.1.29 38,301 9/13/2022
3.1.28 51,305 8/9/2022
3.1.27 42,716 7/12/2022
3.1.26 44,785 6/14/2022
3.1.25 55,981 5/10/2022
3.1.24 82,442 4/11/2022
3.1.23 114,456 3/8/2022
3.1.22 105,319 12/14/2021
3.1.21 133,836 11/7/2021
3.1.20 43,087 10/11/2021
3.1.19 101,595 9/14/2021
3.1.18 96,549 8/10/2021
3.1.17 148,887 7/13/2021
3.1.16 63,756 6/8/2021
3.1.15 345,791 5/11/2021
3.1.14 65,826 4/6/2021
3.1.13 141,154 3/9/2021
3.1.12 106,520 2/9/2021
3.1.11 78,706 1/12/2021
3.1.10 192,044 11/9/2020
3.1.9 310,272 10/13/2020
3.1.8 591,849 9/8/2020
3.1.7 445,980 8/11/2020
3.1.6 323,081 7/14/2020
3.1.5 605,736 6/9/2020
3.1.4 21,529,702 5/12/2020
3.1.3 611,786 3/24/2020
3.1.2 310,247 2/18/2020
3.1.1 645,066 1/14/2020
3.1.0 1,757,154 12/3/2019
3.1.0-preview3.19553.2 1,538 11/13/2019 3.1.0-preview3.19553.2 is deprecated because it is no longer maintained.
3.1.0-preview2.19525.4 1,198 11/1/2019 3.1.0-preview2.19525.4 is deprecated because it is no longer maintained.
3.1.0-preview1.19506.1 2,380 10/15/2019 3.1.0-preview1.19506.1 is deprecated because it is no longer maintained.
3.0.3 135,388 2/18/2020 3.0.3 is deprecated because it is no longer maintained.
3.0.2 60,499 1/14/2020 3.0.2 is deprecated because it is no longer maintained.
3.0.1 135,639 11/18/2019 3.0.1 is deprecated because it is no longer maintained.
3.0.0 4,780,796 9/23/2019 3.0.0 is deprecated because it is no longer maintained.
3.0.0-rc1.19456.10 1,786 9/16/2019 3.0.0-rc1.19456.10 is deprecated because it is no longer maintained.
3.0.0-preview9.19423.4 26,513 9/4/2019 3.0.0-preview9.19423.4 is deprecated because it is no longer maintained.
3.0.0-preview8.19405.4 1,876 8/13/2019 3.0.0-preview8.19405.4 is deprecated because it is no longer maintained.
3.0.0-preview7.19362.4 2,975 7/23/2019 3.0.0-preview7.19362.4 is deprecated because it is no longer maintained.
3.0.0-preview6.19304.6 6,232 6/12/2019 3.0.0-preview6.19304.6 is deprecated because it is no longer maintained.
3.0.0-preview5.19227.9 2,056 5/6/2019 3.0.0-preview5.19227.9 is deprecated because it is no longer maintained.
3.0.0-preview4.19216.2 12,767 4/18/2019 3.0.0-preview4.19216.2 is deprecated because it is no longer maintained.
3.0.0-preview3.19153.1 3,641 3/6/2019 3.0.0-preview3.19153.1 is deprecated because it is no longer maintained.
3.0.0-preview.19074.2 1,698 1/29/2019 3.0.0-preview.19074.2 is deprecated because it is no longer maintained.
3.0.0-preview.18572.1 3,316 12/4/2018 3.0.0-preview.18572.1 is deprecated because it is no longer maintained.
2.2.0 666,621,773 12/3/2018 2.2.0 is deprecated because it is no longer maintained.
2.2.0-preview3-35497 229,202 10/17/2018 2.2.0-preview3-35497 is deprecated because it is no longer maintained.
2.2.0-preview2-35157 188,660 9/12/2018 2.2.0-preview2-35157 is deprecated because it is no longer maintained.
2.2.0-preview1-35029 102,590 8/22/2018 2.2.0-preview1-35029 is deprecated because it is no longer maintained.
2.1.6 9,858,957 11/13/2018
2.1.1 357,018,980 6/18/2018
2.1.0 159,767,753 5/29/2018
2.1.0-rc1-final 374,221 5/6/2018 2.1.0-rc1-final is deprecated because it is no longer maintained.
2.1.0-preview2-final 671,416 4/10/2018 2.1.0-preview2-final is deprecated because it is no longer maintained.
2.1.0-preview1-final 463,775 2/26/2018 2.1.0-preview1-final is deprecated because it is no longer maintained.
2.0.0 173,383,698 8/11/2017 2.0.0 is deprecated because it is no longer maintained.
2.0.0-preview2-final 167,337 6/28/2017 2.0.0-preview2-final is deprecated because it is no longer maintained.
2.0.0-preview1-final 67,851 5/10/2017 2.0.0-preview1-final is deprecated because it is no longer maintained.
1.1.1 18,725,459 5/9/2017 1.1.1 is deprecated because it is no longer maintained.
1.1.0 14,402,467 11/16/2016 1.1.0 is deprecated because it is no longer maintained.
1.1.0-preview1-final 88,087 10/24/2016 1.1.0-preview1-final is deprecated because it is no longer maintained.
1.0.1 124,284,361 12/12/2016 1.0.1 is deprecated because it is no longer maintained.
1.0.0 34,476,968 6/27/2016 1.0.0 is deprecated because it is no longer maintained.
1.0.0-rc2-final 1,962,769 5/16/2016 1.0.0-rc2-final is deprecated because it is no longer maintained.