> What do you mean by "version" here? How does it add to its accessibility? The base variant of RISC-V (RV32/64I) is extremely bare bones. Even instructions f

> What do you mean by "version" here? How does it add to its accessibility? The base variant of RISC-V (RV32/64I) is extremely bare bones. Even instructions for integer multiplication/division and floating points, atomics, ... are all added by extensions. See https://en.wikichip.org/wiki/risc-v/standard_extensions https://en.wikichip.org/wiki/risc-v/standard_extensions