MacPerl 5.6.1a5 (the "a" stands for "alpha"!) is released. It is expected to be the last alpha release before MacPerl 5.6.1b1. You can get it from the MacPerl Development web site.
As always, it can be built with all-free (beer) software, and is available in source and binary form.
Major highlights from this release include:
perl -MMac::err=unix -e '...'