Upgrade Guide

Covered Topics

• Upgrading to VDL version 4.6
  The introduction of VDL 4.6 enforces a consistent layout language when developing Views in Xpress Workbench.
• Migrating from Companion File 2.0 and Using Mosel Annotations
  Mosel annotations are now used to configure the model and entities, as opposed to the previous way of using both the Mosel file and the companion file.
• Migrating VDL 2.0 Apps to VDL 4.x
  There are several steps to take when converting a VDL 2.0 app to VDL 4.x.
• Upgrading from FICO Xpress Insight prior to 4.50
  Xpress Insight 4.50 and above requires FICO® Xpress 8.6, and uses apps which have been compiled using Mosel 5.
• Upgrading from Xpress Insight 4.0 or Earlier
  Mosel models compiled with Xpress Insight 2 (Xpress 7.7) or earlier will not work correctly after upgrading to Xpress Insight 4.1 or later.