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FICO® Xpress Optimization Blog
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FICO® Xpress Workbench 3.6 – April 2022

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FICO
Community Manager
4 years ago
Xpress Workbench is the technology component which provides an Integrated Development Environment (IDE) that allows Operations Research professionals, Data Scientists, and Solution Developers to rapidly and collaboratively develop analytic and optimization models, services, and Xpress Insight apps written in Python or Xpress Mosel. It also supports Xpress Mosel—the premier algebraic modelling and optimization language in the world.

Workbench 3.6 allows users to publish and debug Xpress Insight 5.3 apps. With the addition of custom progress reporting feature in Insight 5.3, several elements have been added to View Designer to facilitate creation of Insight apps that show progress during model execution.
  • Support for Xpress Insight 5.3 interactive apps:
    • Based on the URL entered, Workbench will automatically detect whether the Insight server is running version 4 or 5 and adjust its behavior.
    • Publishing to Insight 5 has switched over to REST API credentials rather than username and password. The credentials are stored in the system’s credential store and don’t need to be entered manually.
    • Debugging of Insight 5 scenarios is supported in the same way as Insight 4, yet with a more modern and secure protocol.
  • View Designer support for custom progress reporting is given by
    • new view elements such as a spinner, a progress bar and the support of VDL include.
    • A new VDL action has been added to send a message to a job.
    • Mosel and Python model progress entities can be conveniently identified in the schema explorer when binding entities to the new view elements.


This release won’t support macOS 12 Monterey as we are expecting some patches of it to overcome some recently observed incompatibilities of the underlying libraries.

For more information, we recommend to read the Xpress release notes.
Updated 4 years ago
Version 3.0
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