Issues

• [ExcludeFromCodeCoverage] on an async lambda does not exclude its state machine

  microsoft/codecoverage#257 · Filter by author ygoe opened on Oct 28, 2026

• ARM64 static native instrumentation: ADRP page mis-relocated for global loads when relocated data straddles a 4 KB page

  microsoft/codecoverage#255 · Filter by author anporumb opened on Oct 9, 2026

• [BUG] Intermittent SIGBUS (exit 135) in MTP test hosts on Linux with dynamic instrumentation (dotnet-coverage 18.11.2)

  microsoft/codecoverage#253 · Filter by author zidad opened on Oct 6, 2026
  1

• Each coverage run leaves ~50 six-byte /tmp/CodeCoverage.* files behind on Linux (18.11.x)

  microsoft/codecoverage#252 · Filter by author pcshrosbree opened on Oct 1, 2026

• Coverage buffer that loses its initialization byte is reported as a passing run with an empty report (line-rate="1")

  microsoft/codecoverage#251 · Filter by author pcshrosbree opened on Oct 1, 2026

• [BUG] Intermittent Windows 0xC0000005 crashes in MTP test hosts with CodeCoverage on .NET 10

  microsoft/codecoverage#249 · Filter by author reichlew opened on Sep 29, 2026
  1

• Microsoft.Testing.Extensions.CodeCoverage: line hits missing from cobertura output for passing tests when test process spawns a child dotnet process via Process.Start in Azure Dev Ops Pipeline

  microsoft/codecoverage#220 · Filter by author groogiam opened on May 1, 2026
  2

• False positive branch coverage

  microsoft/codecoverage#218 · Filter by author carlreinke opened on Apr 22, 2026

• BadImageFormatException crash after tests complete with --coverage on .NET 10 + NUnit

  microsoft/codecoverage#203 · Filter by author jas88 opened on Jan 18, 2026
  6

• Microsoft.CodeCoverage.MSBuild introduces new trim warnings in otherwise trim-safe project

  microsoft/codecoverage#200 · Filter by author AArnott opened on Dec 21, 2025
  

• MTP: Add command-line parameters for settings in coverage configuration file

  enhancement
  microsoft/codecoverage#199 · Filter by author bart-vmware opened on Dec 15, 2025

• [Microsoft.Testing.Extensions.CodeCoverage] --coverage-settings is not recognized when PublishAot is set

  microsoft/codecoverage#196 · Filter by author sliekens opened on Nov 16, 2025
  4

• [MTP] IncludeTestAssembly default to true

  microsoft/codecoverage#193 · Filter by author stan-sz opened on Oct 17, 2025
  4

  

• Support GitLab-compatible Cobertura format in MTP natively

  microsoft/codecoverage#190 · Filter by author latop2604 opened on Oct 8, 2025
  5

• Upgrade from MSTest from 3.7.3> has 'Code Coverage' issues

  microsoft/codecoverage#185 · Filter by author prashanthnmurthy opened on Jul 31, 2025
  20

• Support gcov/lcov format for native binaries

  enhancement
  microsoft/codecoverage#175 · Filter by author leha-bot opened on May 25, 2025

• Code Coverage collection Fails with "System.IO.IOException: Unable to write data to the transport connection: An existing connection was forcibly closed by the remote host.."

  microsoft/codecoverage#154 · Filter by author blemke1971 opened on Jan 30, 2025
  15

• ExcludeFromCodeCoverage for interface with default implementations

  enhancement
  microsoft/codecoverage#143 · Filter by author rpgrca opened on Nov 18, 2024
  

• Add support for UnreachableException in .NET code

  enhancement
  microsoft/codecoverage#142 · Filter by author AdamMaras opened on Nov 12, 2024
  2

• Which test hits which line

  enhancement
  microsoft/codecoverage#114 · Filter by author pluma9 opened on Apr 8, 2024
  1

  

• Enable Command Execution Across Containers/Network

  enhancement
  microsoft/codecoverage#103 · Filter by author hmiguel opened on Feb 19, 2024
  8

• Support OpenCover output format

  enhancement
  microsoft/codecoverage#98 · Filter by author josundt opened on Feb 8, 2024
  6

• Code Coverage doesn't include projects not referenced by Tests Projects

  enhancement
  microsoft/codecoverage#14 · Filter by author luiz-soares opened on Mar 1, 2023
  2

  

• dotnet-coverage merge drops hit counts, sets them all to 1

  enhancement
  microsoft/codecoverage#16 · Filter by author AArnott opened on Sep 13, 2022
  6

  

• Allow control of merged coverage results behaviour

  microsoft/codecoverage#31 · Filter by author tonyhallett opened on Mar 24, 2022
  3