Release Notes: This version includes a new smart match operator, a switch statement, the // defined-or operator, regular expression improvements, and other language changes (some inspired by Perl 6). The Perl interpreter itself is faster, with a smaller memory footprint and several UTF-8 and threading improvements.
Release Notes: This is a maintenance release for perl 5.8, incorporating various minor bugfixes and optimizations. Unicode Character Database 4.1.0 is used. An optional site customization script is available. Config.pm is now much smaller. Various modules were upgraded. Minor performance enhancements were made.
Release Notes: Perl's regular expression engine now contains support for matching on the intersection of two Unicode character classes. You can also now refer to user-defined character classes from within other user-defined character classes.
Release Notes: This code has new features and bugfixes relative to the stable version.
Release Notes: This is a maintenance release, incorporating various minor bugfixes, including fixes for a couple of errors in UTF8 handling.
Release Notes: The most important new features are enhanced Unicode and threads support, and the new I/O subsystem called PerlIO. There are lots of new goodies, and many bugfixes.