Version 6.15 - Lakeside Limbo (2021/11)
 
Multi-level / Multi-fidelity Editor (Experimental)
- New Dakota input file editor tailored to working with multi-level / multi-fidelity studies. Allows for easy manipulation of model hierarchies and solution level costs. 
Chartreuse
- New Next-Gen Workflow node for simultaneously visualizing the uncertainty distributions of all study variables 
- Support more variable distribution types (histogram_bin_uncertain, histogram_point_uncertain) 
- Enhancements and bugfixes for the calibrationHistory node in Next-Gen Workflow. 
- Chartreuse section of Preferences dialog now shows you a preview of the default color scale. 
Dakota Help
- GUI now reverts to the most recently released documentation URL if a specific version of Dakota’s reference manual cannot be loaded 
Visual Editor
- Added form-based editing support for OPT++ family of methods. 
- Some options now available in context menus throughout the Visual Editor (pre-processor replacement, Dakota reference manual access) 

