Roles in Perl, implemented in native form with zero dependencies. Check out where the discussion ends up in the post below:
https://theweeklychallenge.org/blog/roles-in-perl

The unary + operator is one of the most commonly used operators in Perl. Below is a post detailing a recent situation where I encountered it:
https://theweeklychallenge.org/blog/unary-operator

Design Pattern Factory: Moo vs experimental class feature.
Please check out the link for more information:
https://theweeklychallenge.org/blog/design-pattern-factory

Caching using CHI.
Please check out the link for more information:
https://theweeklychallenge.org/blog/caching-using-chi

Re-creating the vulnerability CVE-2025-40927 in an isolated docker container. Please check out the link for more information:
https://theweeklychallenge.org/blog/cve-2025-40927