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Release date: 5 February 2026

Release notes Master Packager Dev 2.1.0

New features​

  • MPDEV-2736 Display product name in the Windows title bar
  • MPDEV-2744 Installer reports success if UAC was denied when OS language is set to any other language than English
  • MPDEV-2763 Allow setting environment variables in the shortcut's working directory
  • MPDEV-2771 Cannot change updater control properties when installing with /qb switch
  • MPDEV-2786 Support long file paths during build
  • MPDEV-2797 Expand relative paths to full paths during de-serialization
  • MPDEV-2798 Update MPDEV to .NET 10 and update third party dependencies
  • MPDEV-2801 Restart dialog should not be shown when MSI is installed with "-" switch
  • MPDEV-2806 Add support to set MSI properties as "Set Property" custom actions
  • MPDEV-2807 Use JSON schema to document MPDEV package format
  • MPDEV-2809 Allow building MSI packages without embedded UI install dialog
  • MPDEV-2813 Set user-agent header for updater requests

Bugs fixed​

  • MPDEV-2728 Conflicting process not listed sometimes when explorer.exe is also returned as conflicting process
  • MPDEV-2729 FirewallException with protocol value "Tcp", "udp" is added incorrectly
  • MPDEV-2730 GenerateTestCertificate does not work if publisher contains "+" symbol
  • MPDEV-2743 Closing installer dialog holds file in use for some time after closing dialog immediately without installing the app
  • MPDEV-2768 Cannot escape environment variable expansion when same environment variable is already defined in another property
  • MPDEV-2792 Cannot set some $.digitalSignature values with command line --properties
  • MPDEV-2802 "!" parameter does not hide cancel button