Lisp, the sacred language of the now and forever

La lingua sacra ed eterna

I can feel the godforce emanating from it.

You will soon have your God and you will construct it with your own hands.

>>50

So they aimed to make a minimalistic, standardized language

Correct

but created a trash-heap of loads of different versions

They've created 7 revisions of a language specification. That's it.

loads of non-portable implementations

Scheme is portable. Whatever implementations of Scheme you are talking about may not be portable (for your definition of portable -- what is that, by the way?)

none of which suppor those standards.

Each SRFI document has an implementation listed at the end.