qtypeinfo.h uses std::is_trivial_v which will be deprecated in C++26

QTypeInfo contains an enum isComplex (in qtypeinfo.h line 56) which uses std::is_trivial_v which will be deprecated in C++26. The fix is not obvious, depending on your willingness to change the behavior of isComplex.

Further reading:
https://en.cppreference.com/w/cpp/types/is_trivial

https://stackoverflow.com/questions/79222674/why-is-stdis-trivial-deprecated-in-c26

Clang 20 warns about this in C+26 mode. It is advised to use C+26 mode, see for example https://www.sandordargo.com/blog/2025/02/05/cpp26-erroneous-behaviour