LogicGem 4.0 Build 4015

LogicGem 4.0 Build 4015 ( was released on February 21, 2024. This update is a complete install package which can be used with new and existing installations of LogicGem 4.0.


This update corrects several UI related issues that were reported by users, including problems when using LogicGem on multiple monitors. This also addresses an uncommon problem which could prevent actions and conditions from updating correctly under certain circumstances. The documentation and release notes for this version are available on this website and are also included with the installation package.


  • New programming languages have been added, including support for Python, Scala, Julia, R, Go and more. Code generation has been improved, making it easier to incorporate the logic based on your compiled tables into your application. The style of the code has also been updated to match the standard conventions for each language while preserving the syntax entered as conditions and actions.
  • The user interface has been modernized with a switch to using tabbed documents and improved usability on modern displays. Worksheet layouts are preserved across sessions, and you can easily move between designing your decision table and reviewing the compiled output. There have also been numerous quality-of-life improvements, such as the ability to quickly cycle through rule options for conditions and actions, improved error reporting, more customization options and better context sensitive help.
  • Compatibility with current versions of Windows, including the latest Windows 11 23H2 release. LogicGem also continues to support legacy Windows platforms such as Windows 7 and Windows 8, as well as the current release for Windows 10. If you are upgrading from earlier versions of LogicGem, please note that Windows XP and Windows Vista are no longer supported platforms.
  • Updated tutorial videos and guides to help get you started with LogicGem right away. These new tutorials step you through creating your first decision tables, explain how to check for errors in your logic and automatically correct problems such as finding missing rules or reducing the complexity of your tables.

For a complete list of all changes included with this release, please review the release notes.


This software release is provided as a self-installing executable. Because the installer can modify shared components, it may be required to restart your computer after the software has been installed. It is recommended you exit from all other applications before you install this software.

If you have a preview version of LogicGem installed on your system, we recommend that you uninstall the preview version before installing this release version. Please note the preview release expires on November 30, 2023 and cannot be used after that date.

LogicGem 4.0 supports the current versions of Windows and can be used on both 32-bit and 64-bit platforms. The minimum supported version of the Windows operating system is Windows 7 on the desktop, although we recommend using at least Windows 10. The minimum hardware requirements in terms of memory and disk space are generally the same as for the Windows operating system itself.

The LogicGem installer packages and components have been digitally signed with an extended validation (EV) Authenticode certificate which uses SHA-256 signatures.