Hello, the staff and the member.
There is pdf file of Reference manual in Vue and 3ds MAX.
Is not have a manual in Terragen.
wiki is the manual in the past which is there but is old.

It pays the new product the fee of the upgrade but the manual support can not be forever gotten.
The user changes a check box with new feature and must test it?
Or, do you update wiki?
I am glad that the new feature increases.
However, it is difficult for me to understand them.
Thank you.