LightTools 8.6 We are pleased to announce that LightTools 8.6 RC is now available. This release features the following major enhancements, along with other improvements: New LightTools Tolerance Manager Windows 10 and high DPI monitor support Ray data source support for backward simulations Improvement for declaring optical contact NURBS and interpolated curves added to the 2D Objects tools palette CATIA V5 Installation Change and Support for R26 The LightTools 8.6 RC is a fully tested early version that we are making available to customers who would like to begin using its new capabilities now