Native,Classic green,Olive,Grayblue and Darkblue Themss.
v2.1.3 (Note: In order to make it easy to understand, the color scheme has been changed intentionally.)
To Open "Preferences" dialog to select from top menu or to click "Gear Icon" form icon bar.
Also you can edit the color of particular part of background and text, and Icon design set.
Compare to v1.5.4
Geometry Graph : Folder management
Click (Select/Visiblity/Lock/Wireframe) of attribute for object item.
v1.5.4 & v2.0.x
LMB: only the current object MMB: all items in the current Folder RMB: all objects in the GeometryGraph
LMB: only the current object RMB: all items in the current Folder RMB+SHIFT: all objects in the GeometryGraph