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General performance plan one pager

Status: Merged (completed).

dotnet/msbuildnumber 11048

#11048 In dotnet/msbuild;

· by MichalPavlik was closed on Jan 14, 2025

Temporarily support preview6 resolver setting DOTNET_HOST_PATH

Area: Resolvers

Status: Merged (completed).

dotnet/msbuildnumber 12077

#12077 In dotnet/msbuild;

· by rainersigwald was closed on Jul 2, 2025

Detect and use RIDs in project build reporting

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

Status: Merged (completed).

dotnet/msbuildnumber 12292

#12292 In dotnet/msbuild;

· by baronfel was closed on Sep 18, 2025

Version 18.0

Status: Merged (completed).

dotnet/msbuildnumber 12531

#12531 In dotnet/msbuild;

· by rainersigwald was closed on Sep 15, 2025

[vs18.0] allow a parameter to disable the live-updating nodes display

Servicing-approved

Status: Merged (completed).

dotnet/msbuildnumber 12584

#12584 In dotnet/msbuild;

· by github-actions was closed on Oct 2, 2025

Initial investigation and design

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)

Epic

Status: Closed (completed).

Epic

#12460 In dotnet/msbuild;

· by AR-May was closed on Aug 29, 2025

Add telemetry for single process multithreaded MSBuild

triaged

Status: Closed (completed).

#12507 In dotnet/msbuild;

· by AR-May was closed on Oct 1, 2025

Watch and evaluate performance impact of changes

Area: BuildCheck

triaged

Status: Closed (completed).

#9829 In dotnet/msbuild;

· by JanKrivanek was closed on May 28, 2025

End-to-end tests of small .NET tasks (called from .NET Framework)

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

triaged

Status: Closed (completed).

Task

#11332 In dotnet/msbuild;

· by rainersigwald was closed on Oct 24, 2025

[thread-safety] - BuildRequestEntry,TaskExecutionHost

Status: Not planned (skipped).

#12121 In dotnet/msbuild;

· by ghost was closed on Nov 4, 2025

[thread-safety] - TaskRegistry, TaskFactoryWrapper

Status: Closed (completed).

#12123 In dotnet/msbuild;

· by ghost was closed on Jul 31, 2025

[thread-safety] - Toolset

Status: Closed (completed).

#12122 In dotnet/msbuild;

· by ghost was closed on Jul 18, 2025

[PerfStar] Bug - CI number should be unique

Area: PerfStarIssues related to our PerfStar tool. That measures MSBuild performance.Issues related to our PerfStar tool. That measures MSBuild performance.

Status: Closed (completed).

#11491 In dotnet/msbuild;

· by AR-May was closed on Mar 10, 2025

[PerfStar] Add repetitions to less stable tests.

Status: Closed (completed).

#11508 In dotnet/msbuild;

· by AR-May was closed on Apr 2, 2025

[PerfStar] Add medium sized solutions.

Area: PerfStarIssues related to our PerfStar tool. That measures MSBuild performance.Issues related to our PerfStar tool. That measures MSBuild performance.

Status: Closed (completed).

#11507 In dotnet/msbuild;

· by AR-May was closed on Mar 17, 2025

[PerfStar] Ensure that report is updated on schedule.

Area: PerfStarIssues related to our PerfStar tool. That measures MSBuild performance.Issues related to our PerfStar tool. That measures MSBuild performance.

Status: Closed (completed).

#11509 In dotnet/msbuild;

· by AR-May was closed on Mar 12, 2025

Decouple the .NET SDK tools from VS Builds of .NET SDK projects

triaged

Status: Duplicate of an existing item.

#11159 In dotnet/msbuild;

· by baronfel was closed on Feb 26, 2025

· Duplicate

Evaluation Performance investigation and improvements

triaged

Status: Duplicate of an existing item.

#11161 In dotnet/msbuild;

· by baronfel was closed on Jan 27, 2025

· Duplicate

MSBuild Server silently disabled when CLI is in interactive mode

Area: Server

Status: Closed (completed).

Bug

#12225 In dotnet/msbuild;

· by rainersigwald was closed on Aug 13, 2025

Add more end-to-end tests for multithreaded mode.

Area: Tests

triaged

Status: Duplicate of an existing item.

#12919 In dotnet/msbuild;

· by AR-May was closed on Dec 11, 2025

· Duplicate

Migrate intrinsic tasks to the new task API

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

Status: Closed (completed).

#12850 In dotnet/msbuild;

· by AR-May was closed on Dec 8, 2025

Fix thread-safety issues in Expander.

Priority:2Work that is important, but not critical for the releaseWork that is important, but not critical for the release

triaged

Status: Closed (completed).

#12851 In dotnet/msbuild;

· by AR-May was closed on Dec 15, 2025

PerfStar NET 10.0 investments

Epic

triaged

Status: Closed (completed).

Epic

#11164 In dotnet/msbuild;

· by AR-May was closed on Jan 7, 2026

Publish MSBuild.StructuredLogger from our repo

triaged

Status: Not planned (skipped).

#11074 In dotnet/msbuild;

· by maridematte was closed on Jan 7, 2026

Engineering improvements

Epic

triaged

Status: Closed (completed).

Epic

#11241 In dotnet/msbuild;

· by JanKrivanek was closed on Jan 7, 2026