However, this is certainly not fully explanitative, and of course is just one line immediately above a large and eye-catching matrix.
I will change it, to make it more clear, and more eye-catching.
Regarding ARM64, it's something I want very much. I will finally have time for it now 7.1.0 is out. I Googled a bit just the other day and there are Pi-like ARM64 dev boards out there now, so I'm going to get one.
Which leaves me needing a SPARC dev board, and a POWERPC dev board, and an x86 dev board, and a MIPS64 dev board, and a... :-)