Actually what I predict is the return to shareware/public domain models, where the free software is only the tip of the iceberg of the stack one actually needs for production code.
The trend is already visible with SaaS, Cloud, IoT,...
Qt is certainly certified for medical use, https://www.qt.io/qt-in-medical/.
I have hardly seen any big Android Auto adoption.
The biggest foe of Qt in Automotive is Web stack.