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

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

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api-suggestion 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

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

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#dotnet#hacktoberfest#help-wanted
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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#dotnet#hacktoberfest#help-wanted
help wanted area-TypeSystem-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.Text.Json 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
area-System.ServiceProcess help wanted

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

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#dotnet#hacktoberfest#help-wanted
api-suggestion area-System.Runtime 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-Diagnostics-coreclr no-recent-activity in-pr backlog-cleanup-candidate

.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 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
documentation area-Meta 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

.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 arch-x64

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

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#dotnet#hacktoberfest#help-wanted
area-Infrastructure-libraries 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
area-System.Collections tenet-performance 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 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
help wanted area-Diagnostics-coreclr 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
area-System.Net.Http 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
area-System.IO tenet-performance 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-Tools-ILVerification 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.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
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
enhancement area-System.Text.Json 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.Net good first issue os-ios in-pr

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

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#dotnet#hacktoberfest#help-wanted
good first issue 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
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
help wanted area-Tools-ILVerification

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

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#dotnet#hacktoberfest#help-wanted
area-System.DirectoryServices 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 area-System.Reflection.Metadata 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
area-System.Numerics 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
good first issue increase-code-coverage os-windows test-enhancement help wanted area-VM-threading-mono runtime-mono

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

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#dotnet#hacktoberfest#help-wanted
area-System.Numerics.Tensors test-bug help wanted

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

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#dotnet#hacktoberfest#help-wanted
good first issue help wanted area-CodeGen-coreclr optimization 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 feature-request area-Extensions-Configuration 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
RISC-V support about 1 month ago
help wanted area-VM-meta-mono arch-riscv

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

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#dotnet#hacktoberfest#help-wanted
api-suggestion area-System.IO help wanted

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

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#dotnet#hacktoberfest#help-wanted
documentation area-System.Text.Json 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.Console os-windows 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
api-suggestion 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

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

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#dotnet#hacktoberfest#help-wanted
area-System.Reflection.Emit 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.Console 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

.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.Numerics help wanted

.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

.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

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

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#dotnet#hacktoberfest#help-wanted
area-System.Net.Security 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.Linq help wanted JitStress blocking-clean-ci-optional

.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.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
area-Infrastructure-libraries 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
bug help wanted area-Extensions-Caching in-pr

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

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#dotnet#hacktoberfest#help-wanted
documentation area-System.Xml 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 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.Numerics help wanted Cost:M in-pr reduce-unsafe

.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.Security 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.Security 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.Net.Security test-enhancement 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.Net.Security disabled-test 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
bug area-System.Reflection.Emit breaking-change 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-Tools-ILVerification 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
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
api-suggestion area-System.Numerics 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
area-System.Runtime 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
api-suggestion area-System.Linq help wanted

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

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#dotnet#hacktoberfest#help-wanted
api-suggestion area-System.Runtime.CompilerServices help wanted code-analyzer

.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
area-System.Configuration 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.Linq help wanted JitStress blocking-clean-ci-optional

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

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#dotnet#hacktoberfest#help-wanted
tenet-reliability help wanted area-System.Diagnostics.Metric

.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
api-suggestion area-System.Numerics 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
area-System.Runtime 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
api-suggestion area-System.Runtime help wanted code-analyzer

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

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#dotnet#hacktoberfest#help-wanted
api-suggestion area-System.Threading.Channels help wanted

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

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#dotnet#hacktoberfest#help-wanted
api-suggestion area-System.Threading.Channels 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-System.IO.Ports

.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
documentation area-Meta 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
area-System.Collections 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

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

C#
#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