1. Perl
  2. reading material

Know the development status of the Perl core. Repositories and mailing lists.

The Perl Core is developed using the following Repository . Commits are made on a daily basis, and most of them fix small bugs. Perl has a release cycle of once a year and is being developed according to that schedule.

Perl core repository

You can also see the development status of Perl's core by looking at the mailing list in the perl.perl5.porters group.

perl.perl5.porters (Google Groups)

Actually, it's being discussed here.

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