In PTC Case article no. CS323813 there is a statement, that for Creo 7.0 C++ 17 is not officially supported. Since C++14 certain new, highly useful functionalities has been added for STL inside C++17 and C++20, e.g.:
1. Structure bindings
2. Filesystem library
3. Optional and Variant class templates.
It would be beneficially to be able to utilize those functionalities of STL in OTK AuxApps projects.