Issues

• [efficiency-improver] Performance test suite in Acceptance.IntegrationTests is dead code (never compiled)

  agentic-workflowsArea: PerformanceefficiencyNeeds: Triage 🔍
  microsoft/vstest#16562 · Filter by author github-actions opened on Oct 10, 2026

• [fix] Fix WaitHandle/ManualResetEvent lifetime leaks across communication and process layers

  agentic-workflowsNeeds: Triage 🔍State: In-PR
  microsoft/vstest#16561 · Filter by author github-actions opened on Oct 9, 2026

• Quality Report 2026-10-09: WaitHandle/ManualResetEvent lifetime leaks across communication and process layers

  agentic-workflowsNeeds: Triage 🔍
  microsoft/vstest#16560 · Filter by author github-actions opened on Oct 9, 2026
  1

• [fix] Fix unsynchronized lazy singleton initialization in TestPluginCache/TestPluginManager

  agentic-workflowsNeeds: Triage 🔍State: In-PR
  microsoft/vstest#16559 · Filter by author github-actions opened on Oct 8, 2026

• [fix] /DisableAutoFakes missing from --Help output

  agentic-workflowsNeeds: Triage 🔍State: In-PR
  microsoft/vstest#16556 · Filter by author github-actions opened on Oct 7, 2026

• [fix] Fix swapped MSTest.TestAdapter/TestFramework version variables

  agentic-workflowsNeeds: Triage 🔍State: In-PR
  microsoft/vstest#16554 · Filter by author github-actions opened on Oct 6, 2026

• [msbuild-quality] MSBuild File Quality Report — 2026-10-04 (no findings)

  agentic-workflowsArea: Engineeringautomationcode-qualitymsbuildNeeds: Triage 🔍
  microsoft/vstest#16550 · Filter by author github-actions opened on Oct 4, 2026

• [efficiency-improver] Monthly Activity 2026-10

  agentic-workflowsArea: PerformanceefficiencyNeeds: Triage 🔍
  microsoft/vstest#16549 · Filter by author github-actions opened on Oct 3, 2026

• [fix] Reconcile binding redirect drift across app.config files

  agentic-workflowsNeeds: Triage 🔍State: In-PR
  microsoft/vstest#16548 · Filter by author github-actions opened on Oct 3, 2026

• [fix] Harden permissions on shared OS temp directories used by data collectors & telemetry

  agentic-threat-detectedagentic-workflowsNeeds: Triage 🔍State: In-PR
  microsoft/vstest#16546 · Filter by author github-actions opened on Oct 1, 2026

• [fix] Document IVT/EventHandlers namespace mismatch and Constants.cs ownership (issue #16541)

  agentic-workflowsState: In-PR
  microsoft/vstest#16542 · Filter by author github-actions opened on Sep 30, 2026

• [fix] Use Stopwatch instead of DateTime.UtcNow for elapsed-time telemetry

  agentic-workflowsState: In-PR
  microsoft/vstest#16540 · Filter by author github-actions opened on Sep 30, 2026

• [dnceng-bot] Branch vstest/rel/18.12 can't be merged to Azdo internal branch

  Needs: Triage 🔍
  microsoft/vstest#16539 · Filter by author dotnet-mirroring opened on Sep 29, 2026
  

• [fix] Document IVT matrix sync requirement and external consumers in Friends.cs

  agentic-workflowsState: In-PR
  microsoft/vstest#16527 · Filter by author github-actions opened on Sep 28, 2026

• [fix] Fix exception-fidelity loss when reporting testhost launch failures

  agentic-workflowsState: In-PR
  microsoft/vstest#16523 · Filter by author github-actions opened on Sep 25, 2026

• [fix] Harden remaining XML parsing call sites against XXE

  agentic-workflowsState: In-PR
  microsoft/vstest#16520 · Filter by author github-actions opened on Sep 24, 2026

• [fix] Add NO_COLOR and redirected-output support to console color output

  agentic-workflowsState: In-PR
  microsoft/vstest#16517 · Filter by author github-actions opened on Sep 24, 2026

• Test run aborts when a .NET Framework test name contains an unpaired surrogate (regression in 18.11)

  State: In-PR
  microsoft/vstest#16512 · Filter by author timcassell opened on Sep 23, 2026
  2

• [fix] Guard eager string.Join diagnostics with EqtTrace Is*Enabled checks

  agentic-workflowsState: In-PR
  microsoft/vstest#16510 · Filter by author github-actions opened on Sep 22, 2026

• [fix] Set UTF-8 encoding for redirected testhost/datacollector process streams

  agentic-workflowsState: In-PR
  microsoft/vstest#16509 · Filter by author github-actions opened on Sep 22, 2026

• [fix] Sanitize HtmlLogger LogFileName, use cross-platform UserName, remove dead FileHelper code

  agentic-workflowsState: In-PR
  microsoft/vstest#16507 · Filter by author github-actions opened on Sep 22, 2026

• [fix] Reduce process-wide state in TestCaseIdAlgorithmTests

  agentic-workflowsState: In-PR
  microsoft/vstest#16506 · Filter by author github-actions opened on Sep 22, 2026

• [fix] Fix ProgressIndicator timer subscription leak and race condition

  agentic-workflowsState: In-PR
  microsoft/vstest#16505 · Filter by author github-actions opened on Sep 22, 2026

• [fix] Standardize on GetAwaiter().GetResult() over .Wait()/.Result for exception fidelity

  agentic-workflowsState: In-PR
  microsoft/vstest#16499 · Filter by author github-actions opened on Sep 18, 2026

• [fix] Split VsTestConsoleRequestSender.cs into focused partial-class files

  agentic-workflowsState: In-PR
  microsoft/vstest#16485 · Filter by author github-actions opened on Sep 15, 2026