ROOT C++20 support?

Hi everyone,
as c++20 was published in December 2020, almost one year ago, I am here just to ask if currently, it is possible to compile it using the option -DCMAKE_CXX_STANDARD=20, or, if not, whether it exists a beta release or something that supports the current c++ standard.
Thanks in advance.

ROOT Version: lastest
Platform: Linux and Macbook with Apple silicon (M1 Pro/Max)
Compiler: GCC

Hi Massimo,
the ROOT C++ interpreter, cling, is currently not up to speed with C++20. @Axel might be able to provide a timeline for C++20 support.


We currently expect C++20 support to arrive on time for ROOT v6.28, mid next year.

Cheers, Axel.

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