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Out-of-proc cross-runtime TaskHost should be spawned with <code>/nodereuse:true</code>

Area: TaskHost

Status: Open.

Task

#12686 In dotnet/msbuild;

· baronfel opened on Oct 20, 2025

Document that modifying Properties property on ProjectReference items should be avoided, use AdditionalProperties instead

Area: DocumentationIssues about docs, including errors and areas we should extend (this repo and learn.microsoft.com)Issues about docs, including errors and areas we should extend (this repo and learn.microsoft.com)

triaged

Status: Open.

Task

#12684 In dotnet/msbuild;

· ayeltsov opened on Oct 20, 2025

Test crash in <code>TaskHostFactory_Tests.TaskNodesDieAfterBuild</code>

Area: Our Own BuildProblems affecting the build or build infrastructure of the MSBuild repo itself.Problems affecting the build or build infrastructure of the MSBuild repo itself.

flaky-testTests that have failed but passed on rerun.Tests that have failed but passed on rerun.

Status: Open.

Bug

#12683 In dotnet/msbuild;

· rainersigwald opened on Oct 20, 2025

Custom Build Tool always rebuilds when Additional Dependency is in AppData/Local

needs-investigation

Status: Open.

Bug

#12681 In dotnet/msbuild;

· Angew opened on Oct 20, 2025

Multithreaded inline task factories should work with relative paths to code files

Area: TasksIssues impacting the tasks shipped in Microsoft.Build.Tasks.Core.dll.Issues impacting the tasks shipped in Microsoft.Build.Tasks.Core.dll.

Status: Open.

Bug

#12680 In dotnet/msbuild;

· JanProvaznik opened on Oct 20, 2025

[Unhandled Exception]: Unable to set thread priority

help wantedIssues that the core team doesn't plan to work on, but would accept a PR for. Comment to claim.Issues that the core team doesn't plan to work on, but would accept a PR for. Comment to claim.

triaged

Status: Open.

Bug

#12677 In dotnet/msbuild;

· TacoConKvass opened on Oct 20, 2025

Invalid project references do not indicate source project in <code>-graph</code> builds

Area: Static GraphIssues with -graph, -isolate, and the related APIs.Issues with -graph, -isolate, and the related APIs.

Area: Terminal LoggerProblems with the livelogger/fancylogger/terminallogger -tl functionality.Problems with the livelogger/fancylogger/terminallogger -tl functionality.

untriaged

Status: Open.

#12671 In dotnet/msbuild;

· nil4 opened on Oct 19, 2025

Known Issue: .NET 10.0.100-rc.2 can fail to launch the C# compiler when used in Visual Studio 2022

Area: Visual StudioIssues related to interactions with Visual Studio or project systems.Issues related to interactions with Visual Studio or project systems.

triaged

Status: Open.

#12669 In dotnet/msbuild;

· rainersigwald opened on Oct 17, 2025

VS 17.14 should give a clearer error when trying to launch .NET Tasks

Area: TaskHost

Status: Open.

Bug

#12661 In dotnet/msbuild;

· baronfel opened on Oct 17, 2025

Race condition in NodeProviderOutOfProcTaskHost

Status: Open.

#12660 In dotnet/msbuild;

· AR-May opened on Oct 17, 2025

[BuildCheck Suggestion]: Flag usage of the Properties metadata on inputs to the MSBuild Task like ProjectReference

Area: BuildCheck

BuildCheck SuggestionSuggestion for a built in MSBuild analyzer. Label should be applied together with 'Area: BuildCheck'Suggestion for a built in MSBuild analyzer. Label should be applied together with 'Area: BuildCheck'

triaged

Status: Open.

Feature

#12659 In dotnet/msbuild;

· baronfel opened on Oct 17, 2025

MSB4216 when trying new RC 2 .NET MSBuild Tasks with .NET Framework MSBuild feature

Status: Open.

#12658 In dotnet/msbuild;

· bording opened on Oct 16, 2025