[Development] Supported compilers for Qt 6

[Thiago Macieira]

On Monday, 12 August 2019 13:03:47 PDT Mutz, Marc via Development wrote:
> The milestone is std::byte, which which we could put QByteArray on a
> sound basis. And char8_t, which would make QUtf8String(View) fly.

QByteArray, due to its dual string / byte array nature, will continue to 
operate on char. After all, char *is* a byte. We should add the unsigned char 
variants too, though.

As for char8_t, it's C++20. We're not going to enforce compiling Qt with 
-std=c++2a.

-- 
Thiago Macieira - thiago.macieira (AT) intel.com
  Software Architect - Intel System Software Products