I'm not sure what you're looking for. When I look at perl.com I see:
Certainly 6 years ago there may have been more published there routinely, but that's to be expected as perl moved through a huge bubble period driven by the Internet bubble.
If you feel the burning need to read more about perl, you can browse:
And as has been mentioned, feel free to contribute ideas to perl.com.
(Presuming for the sake of argument that it's even *possible* to design
better code in Perl than in C. :-)
-- Larry Wall on core code vs. module code design