Well the thing with feature requests is that this might not be the correct platform. (There is a bugtracker to communicate with developers.)
But if the feature already exists maybe someone here knows how to use it. For vrml export maybe @maui knows something. For python api maybe @mmccoo or @pwuertz know an answer. (Or someone else has an answer. The only thing we mere mortals can do is wait.)
So know the standard answer for feature request:
Most forum members are mere KiCAD users who try to help each other with the software. (Most developers do not regularly visit this forum.)
Wishes for features need to be posted on the bugtracker with ‘wishlist’ as tag. (Please check first if something similar has already been requested and read the official how to.)
Pure wishes, without support by a Dev or a patch ready to go into the KiCAD code have a very small chance of ever being implemented.
Also the pre-release of 5.0 is appearing in the distance and the developers are trying to minmise the list of features yet to be added before the freeze, so that they can focus on bug fixing.
This was a recent post https://lists.launchpad.net/kicad-developers/msg28983.html
unfortunately, it’s a method on PCB_EDIT_FRAME (defined in kicad/include/wxPcbStruct.h). This is a large class that should probably only be exposed selectively. (it’s got lots of event handling stuff that even most other c++ should likely stay away from)
Probably, a good place to expose it is in pcbnew/swig/pcbnew_scripting_helpers.cpp.