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  • Master Packager Release Notes
  • 26.xxx
  • 26.3.9665 (18 June 2026)

Release date: 18 June 2026

Release notes Master Packager Suite 26.3.9665

Tasks

Master Packager Toolbox

  • Master Packager Toolbox Add validation for version field for Patch My PC upload. MPDEV-2921

Master Repackager

  • Master Repackager Update MSIX asset logo generation sizes and naming. MPDEV-2929

  • Master Repackager Improve performance when opening captured file tree for the first time. MPDEV-2962

  • Master Repackager Improve performance when capturing snapshots. MPDEV-2963

  • Master Repackager Reduce size of the captured snapshots. MPDEV-2965

Master Wrapper

  • Master Wrapper Improve processes to close editing. MPDEV-2757

New Processes to close view in Master Wrapper

New Processes to close view changes visible in Script editor in Master Wrapper

  • Master Wrapper Allow detection method text to be copied. MPDEV-2900

  • Master Wrapper Update PowerShellEditorServices to 4.5.0. MPDEV-2920

  • Master Wrapper Format AppScriptDate according to ISO8601. MPDEV-2975

  • Master Wrapper Add ability to manually switch predefined detection registry key between HKLM and HKCU. MPDEV-2995
    Button to change detection method to HCKU.

Master Packager Suite

  • “Master Packager” product and installer name changed to “Master Packager Suite”.

  • Master Packager Suite Update WinAppSDK to latest 2.1 version. MPDEV-3005

  • Master Packager Suite Change Trusted Signing -> Azure Artifact Signing. MPDEV-2994
    Azure Artifact Signing naming throughout Master Packager Suite apps

  • Master Packager Suite Update deprecated Microsoft.Trusted.Signing.Client to Microsoft.ArtifactSigning.Client. MPDEV-2996

  • Master Packager Suite Update EULA. MPDEV-3007

Bugs fixed

Master Packager

  • Master Packager UI does not automatically scroll to reveal the newly added folder when a new folder is created in the file editor. MPDEV-2914

  • Master Packager UI does not automatically scroll to reveal the newly added folder when a new folder is created in the registry editor. MPDEV-2915

Master Packager Toolbox

  • Master Packager Toolbox Unable to log in to PMPC with another account after a previous login attempt using an account that has no access to any PMPC companies. MPDEV-2930

  • Master Packager Toolbox PSADT uninstall command line under installed app resolved incorrectly in some cases. MPDEV-3014

Master Repackager

  • Master Repackager UI does not automatically scroll to reveal the newly added folder when a new folder is created in the captured file manager. MPDEV-2913

Master Wrapper

  • Master Wrapper Changing value in any of the number boxes should not require user to press Enter to accept updated value. MPDEV-2916

  • Master Wrapper Minimize windows option gets automatically enabled when disabling and re-enabling welcome window in pre-actions. MPDEV-2918

  • Master Wrapper Script editor is disabled when editing script detection rule. MPDEV-2924

  • Master Wrapper Error when saving a project that just had script detection rule added or edited. MPDEV-2926

  • Master Wrapper Detection script content in editing dialog is not reset after detection rule is removed. MPDEV-2927

  • Master Wrapper Invoke-AppDeployToolkit.exe is not replaced during project upgrade. MPDEV-2988

  • Master Wrapper DeployAppScriptVersion is not set to latest version during project upgrade. MPDEV-2990

  • Master Wrapper Latest available project version displayed incorrectly for PSADT 3.x.x packages when clicking on PSADT project warning in title bar. MPDEV-2992

  • Master Wrapper Digital signing fails if toolkit files are set to read-only. MPDEV-3001

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