That's an awesome answer! I know that you can only speak for yourself, but if the Perl 6 community deems Rakudo a good testbed for the specification, that's something an ecosystem can be built on. If an early-adopter rule-of-thumb is that "stuff that has been in Rakudo for a while is relatively safe," people can use that subset to start writing libraries they feel safe to release.

Thanks again, since I can now start imagining how a Perl 6 CPAN would form, and know what to watch out for to step on to the Perl 6 train.