"I don't know if C++ will still be relevant in a few years."

The standards body members are still fighting about whether memory safety is important enough to change the language for, so, I would guess the answer is "no".

Yeah that was abundantly clear when Bjarne Stroustrup published "A call to action: Think seriously about “safety”; then do something sensible about it"[0] as a reaction to NSA's recommendation to no longer use C/C++.

[0] https://www.open-std.org/jtc1/sc22/wg21/docs/papers/2023/p27...

C++ will outlive you.