.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

dotnet hacktoberfest help-wanted
100 Open Issues Need Help Last updated: Jul 1, 2026

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test-bug help wanted area-Extensions-Hosting Known Build Error

.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

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arch-arm64 os-windows help wanted blocking-clean-ci-optional needs-further-triage area-System.Diagnostics.PerformanceCounter Known Build Error

.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

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area-System.Globalization good first issue os-ios

.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

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api-needs-work area-System.Collections help wanted wishlist

.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

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bug area-System.Text.Json help wanted

.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

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disabled-test help wanted area-Extensions-Caching in-pr

.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

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tenet-performance help wanted area-Extensions-Configuration

.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

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#dotnet#hacktoberfest#help-wanted
good first issue os-android area-Infrastructure

.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

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api-suggestion area-System.Runtime.CompilerServices help wanted in-pr

.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

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#dotnet#hacktoberfest#help-wanted

.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

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tenet-performance help wanted area-CodeGen-coreclr Priority:3

.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

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enhancement area-Serialization help wanted in-pr

.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

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#dotnet#hacktoberfest#help-wanted
enhancement area-System.Net.Sockets help wanted

.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

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#dotnet#hacktoberfest#help-wanted
help wanted area-Extensions-HttpClientFactory

.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

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#dotnet#hacktoberfest#help-wanted
enhancement area-Serialization help wanted in-pr

.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

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#dotnet#hacktoberfest#help-wanted

.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

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#dotnet#hacktoberfest#help-wanted
bug help wanted area-Extensions-Configuration

.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

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#dotnet#hacktoberfest#help-wanted
documentation area-System.Net.Http help wanted

.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

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#dotnet#hacktoberfest#help-wanted
help wanted area-CodeGen-coreclr optimization

.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

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#dotnet#hacktoberfest#help-wanted
help wanted area-CodeGen-coreclr

.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

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#dotnet#hacktoberfest#help-wanted
enhancement area-System.Text.Json help wanted

.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

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#dotnet#hacktoberfest#help-wanted
bug arch-arm32 arch-arm64 area-System.Numerics help wanted Priority:3

.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

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#dotnet#hacktoberfest#help-wanted

.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

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tenet-performance help wanted area-System.DateTime

.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

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#dotnet#hacktoberfest#help-wanted
enhancement area-System.Security help wanted in-pr

.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

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#dotnet#hacktoberfest#help-wanted
help wanted area-CodeGen-coreclr in-pr

.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

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#dotnet#hacktoberfest#help-wanted
tenet-performance help wanted area-CodeGen-coreclr

.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

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#dotnet#hacktoberfest#help-wanted

.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

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#dotnet#hacktoberfest#help-wanted
tenet-performance help wanted area-CodeGen-coreclr

.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

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#dotnet#hacktoberfest#help-wanted
tenet-performance help wanted area-CodeGen-coreclr Priority:3

.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

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#dotnet#hacktoberfest#help-wanted
enhancement area-System.IO.Compression tenet-performance help wanted

.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

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#dotnet#hacktoberfest#help-wanted
test-enhancement help wanted area-Interop-coreclr

.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

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#dotnet#hacktoberfest#help-wanted
help wanted area-CodeGen-coreclr

.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

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#dotnet#hacktoberfest#help-wanted
bug area-System.Console os-windows help wanted

.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

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#dotnet#hacktoberfest#help-wanted
help wanted in-pr area-System.IO.Ports

.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

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#dotnet#hacktoberfest#help-wanted
area-System.IO os-linux help wanted needs-further-triage

.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

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#dotnet#hacktoberfest#help-wanted
documentation good first issue area-Infrastructure

.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

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#dotnet#hacktoberfest#help-wanted
help wanted area-CodeGen-coreclr runtime-async

.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

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help wanted area-Tools-ILVerification Priority:2 in-pr

.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

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#dotnet#hacktoberfest#help-wanted
help wanted area-CodeGen-coreclr optimization

.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

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#dotnet#hacktoberfest#help-wanted
enhancement area-System.Text.Json help wanted wishlist

.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

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#dotnet#hacktoberfest#help-wanted
area-System.Collections tenet-performance help wanted in-pr

.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

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#dotnet#hacktoberfest#help-wanted
help wanted area-VM-coreclr os-haiku

.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

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#dotnet#hacktoberfest#help-wanted
tenet-performance help wanted area-CodeGen-coreclr

.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

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#dotnet#hacktoberfest#help-wanted
help wanted area-System.IO.Ports

.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

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#dotnet#hacktoberfest#help-wanted
area-System.Runtime.Intrinsics help wanted

.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

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#dotnet#hacktoberfest#help-wanted
api-approved arch-arm64 area-System.Runtime.Intrinsics help wanted in-pr

.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

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#dotnet#hacktoberfest#help-wanted
help wanted needs-further-triage area-System.Speech

.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

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#dotnet#hacktoberfest#help-wanted
area-System.Text.Json test-enhancement help wanted no-recent-activity backlog-cleanup-candidate

.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

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#dotnet#hacktoberfest#help-wanted
help wanted area-Extensions-Hosting in-pr

.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

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#dotnet#hacktoberfest#help-wanted

.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

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#dotnet#hacktoberfest#help-wanted

.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

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#dotnet#hacktoberfest#help-wanted
help wanted no-recent-activity area-System.Diagnostics.PerformanceCounter backlog-cleanup-candidate

.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

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#dotnet#hacktoberfest#help-wanted
area-System.IO help wanted no-recent-activity backlog-cleanup-candidate

.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

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#dotnet#hacktoberfest#help-wanted

.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

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#dotnet#hacktoberfest#help-wanted
help wanted area-Interop-coreclr code-analyzer

.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

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#dotnet#hacktoberfest#help-wanted
documentation help wanted area-Infrastructure

.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

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#dotnet#hacktoberfest#help-wanted

.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

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#dotnet#hacktoberfest#help-wanted
help wanted area-Infrastructure

.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

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#dotnet#hacktoberfest#help-wanted
help wanted area-Infrastructure

.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

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#dotnet#hacktoberfest#help-wanted

.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

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#dotnet#hacktoberfest#help-wanted

.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

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#dotnet#hacktoberfest#help-wanted

.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

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#dotnet#hacktoberfest#help-wanted

.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

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#dotnet#hacktoberfest#help-wanted
help wanted area-CodeGen-coreclr in-pr

.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

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#dotnet#hacktoberfest#help-wanted
help wanted area-CodeGen-coreclr

.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

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#dotnet#hacktoberfest#help-wanted

.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

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#dotnet#hacktoberfest#help-wanted
area-System.Diagnostics.Process test-enhancement help wanted os-android

.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

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#dotnet#hacktoberfest#help-wanted

.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

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#dotnet#hacktoberfest#help-wanted
enhancement area-System.Net.Http tenet-performance help wanted

.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

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#dotnet#hacktoberfest#help-wanted
area-System.Collections help wanted in-pr

.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

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#dotnet#hacktoberfest#help-wanted
help wanted api-ready-for-review in-pr area-System.Formats.Tar

.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

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#dotnet#hacktoberfest#help-wanted
area-System.IO help wanted in-pr

.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

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#dotnet#hacktoberfest#help-wanted
area-System.Text.RegularExpressions tenet-performance help wanted in-pr

.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

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#dotnet#hacktoberfest#help-wanted
bug help wanted area-Extensions-Options

.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

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#dotnet#hacktoberfest#help-wanted
documentation help wanted area-Extensions-FileSystem in-pr

.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

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#dotnet#hacktoberfest#help-wanted
help wanted area-CodeGen-coreclr optimization

.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

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#dotnet#hacktoberfest#help-wanted
help wanted area-CodeGen-coreclr optimization

.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

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#dotnet#hacktoberfest#help-wanted
documentation help wanted area-Extensions-FileSystem in-pr

.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

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#dotnet#hacktoberfest#help-wanted
help wanted area-Extensions-FileSystem

.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

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#dotnet#hacktoberfest#help-wanted

.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

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#dotnet#hacktoberfest#help-wanted
help wanted area-Extensions-FileSystem

.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

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#dotnet#hacktoberfest#help-wanted
tenet-performance help wanted area-Extensions-Caching

.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

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#dotnet#hacktoberfest#help-wanted
bug help wanted area-Extensions-Caching

.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

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#dotnet#hacktoberfest#help-wanted
bug help wanted area-Extensions-Caching

.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

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#dotnet#hacktoberfest#help-wanted
Hackathon good first issue test-bug help wanted area-CodeGen-coreclr in-pr

.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

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#dotnet#hacktoberfest#help-wanted
bug area-System.IO os-linux help wanted

.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

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#dotnet#hacktoberfest#help-wanted
bug help wanted area-Extensions-DependencyInjection

.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

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#dotnet#hacktoberfest#help-wanted
api-approved area-System.Collections blocked help wanted needs-breaking-change-doc-created

.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

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#dotnet#hacktoberfest#help-wanted
help wanted feature-request area-Extensions-Configuration

.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

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#dotnet#hacktoberfest#help-wanted
api-approved area-System.Collections help wanted

.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

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#dotnet#hacktoberfest#help-wanted
documentation help wanted area-Extensions-Primitives

.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

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area-System.Reflection good first issue increase-code-coverage test-enhancement help wanted in-pr

.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

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#dotnet#hacktoberfest#help-wanted
help wanted area-CodeGen-coreclr

.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

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#dotnet#hacktoberfest#help-wanted

.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

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#dotnet#hacktoberfest#help-wanted
area-System.Text.RegularExpressions help wanted feature-request no-recent-activity

.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

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#dotnet#hacktoberfest#help-wanted
help wanted area-AssemblyLoader-coreclr in-pr

.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

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#dotnet#hacktoberfest#help-wanted
help wanted area-CodeGen-coreclr

.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

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#dotnet#hacktoberfest#help-wanted
enhancement area-System.Net.Http good first issue help wanted

.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

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#dotnet#hacktoberfest#help-wanted
area-System.IO help wanted in-pr

.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

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#dotnet#hacktoberfest#help-wanted