Issues

• Release only 64-bit WiX tools

  triage
  task

  wixtoolset/issues#9358 · Filter by author robmen opened on Oct 27, 2026
  

• Support referencing a LaunchCondition

  triagewip
  feature

  wixtoolset/issues#9357 · Filter by author robmen opened on Oct 27, 2026
  

• Consider Arm64 build and/or test

  build process
  task

  wixtoolset/issues#9351 · Filter by author barnson opened on Oct 14, 2026 · v.Future
  

• "Cabinet 1 not provided" error for specific MSIs

  dtfosmfup for grabs
  bug

  wixtoolset/issues#9345 · Filter by author ulrichb opened on Sep 23, 2026
  3

• Clean up IPreprocessContext

  wixtoolset.data
  task

  wixtoolset/issues#9343 · Filter by author barnson opened on Sep 21, 2026 · v8.0.0-rc.1
  

• wix msi transform does not include binary difference

  osmfpatching
  bug

  wixtoolset/issues#9342 · Filter by author schup2025 opened on Sep 21, 2026
  3

  

• Bundle's own manifest.xml Hash for WixAttachedContainer doesn't match actual bytes in the built .exe

  burn
  wixtoolset/issues#9336 · Filter by author nois6505 opened on Sep 2, 2026 · v8.0.0-rc.1
  2

  

• Burn containers build should be parallelized like package .cabs

  burnup for grabs
  task

  wixtoolset/issues#9320 · Filter by author barnson opened on Jul 17, 2026
  1

• Wix4CreateDatabase_X86 — FAILS, Error 0x80040154 · REGDB_E_CLASSNOTREG · "failed to create database: BAMInvoiceDB"

  extensionsup for grabs
  bug

  wixtoolset/issues#9312 · Filter by author Rajagurunathan-M007 opened on Jun 12, 2026
  4

• wix.exe crashes with ArgumentNullException in ExtensionManager.GetCacheLocations when the toolset path contains a '#' character

  wix.exe
  bug

  wixtoolset/issues#9311 · Filter by author Tragen opened on Jun 11, 2026 · v8.0.0-rc.1
  

• dotnet build / wix build hanging forever

  binder
  bug

  wixtoolset/issues#9303 · Filter by author AlexandreRevel opened on May 20, 2026 · v8.0.0-rc.1
  4

  

• Cancel a Burn installation with non-vital msi packages does not rollback

  burnosmf
  bug

  wixtoolset/issues#9302 · Filter by author petm2022 opened on May 12, 2026
  1

• Light theme button text is difficult to read

  website
  bug

  wixtoolset/issues#9300 · Filter by author heaths opened on Apr 27, 2026 · v8.0.0-rc.1
  

• Cancelling Burn installation leave process hanging after closing

  burnosmfup for grabs
  bug

  wixtoolset/issues#9296 · Filter by author petm2022 opened on Apr 23, 2026

• Strings are truncated on ProgressDlg. I have tried to override the default progressdialog and move the progress bar a bit lower. Then the issue is fixed. But, when I do that the default Progress Dialog from WiX is coming up like a splash screen as soon as the installer is launched.

  up for grabswixui
  bug

  wixtoolset/issues#9291 · Filter by author Diwakar2435 opened on Apr 16, 2026

• Warn about an already signed file, when 'wix detach' is called to extract the engine

  bootstrapperup for grabswip
  feature

  wixtoolset/issues#9277 · Filter by author twoelfer opened on Apr 6, 2026

• Localized resources for WixStandardBootstrapperApplication reference .NET framework as a prerequisite, although that is a non-managed C++ application

  up for grabs
  bug

  wixtoolset/issues#9273 · Filter by author bobhairgrove opened on Mar 31, 2026
  2

• Tests fail in devbuild for 7.0.2 if Visual Studio 2022 is not installed

  build processup for grabs
  bug

  wixtoolset/issues#9261 · Filter by author marcOcram opened on Mar 18, 2026
  1

• Do not run MakeSfxCA during design-time builds

  up for grabswip
  feature

  wixtoolset/issues#9260 · Filter by author mediawolf opened on Mar 18, 2026

• Exposing code to extract bundles as a service in WixToolsetServiceProvider

  burnwip
  feature

  wixtoolset/issues#9229 · Filter by author cerebro-alexiel opened on Feb 1, 2026 · v.Future
  1

  

• wix convert doesn't handle out-of-proc BA authoring changes

  up for grabswixcop
  task

  wixtoolset/issues#9223 · Filter by author barnson opened on Jan 21, 2026

• Visually appearing heading 'NPS Extension for Azure MFA' text is not defined as a heading.

  accessibilityup for grabswixstdba
  feature

  wixtoolset/issues#9208 · Filter by author msftedad opened on Dec 18, 2025
  1

• Documentation for WiX 4 and later should show how to create named bind paths

  documentation
  task

  wixtoolset/issues#9201 · Filter by author bobhairgrove opened on Dec 10, 2025
  2

  

• Neeed VS2026Setup CustomActionRef Support

  up for grabswip
  feature

  wixtoolset/issues#9189 · Filter by author chrpai opened on Nov 7, 2025
  4

• x64 bundle from wix4/6 cannot be detected by wix3 (x86) bundle

  up for grabs
  bug

  wixtoolset/issues#9116 · Filter by author svg2003 opened on Jul 7, 2025