See L<perlsub/"Persistent variables via state()">.
-=head2 UNIVERSAL:DOES()
+=head2 UNIVERSAL::DOES()
The C<UNIVERSAL> class has a new method, C<DOES()>. It has been added to
solve semantic problems with the C<isa()> method. C<isa()> checks for
C<Win32API::File> has been added (for Windows builds). This module
provides low-level access to Win32 system API calls for files/dirs.
+=item *
+
+C<Package::Constants> has been added. It's a simple helper to list all
+constants declared in a given package.
+
=back
=head1 Utility Changes
=head1 Performance Enhancements
-Constants (Nicholas)
-
Regular expressions (Yves)
=head1 Installation and Configuration Improvements
Bytecode tests fails under several platforms. Support for byteloader and
compiler is considered to be removed before the 5.10.0 release.
+=head2 Platform-specific Problems
+
+The test F<ext/Socket/t/socketpair.t> crashes after completing all tests
+successfully when built with USE_ITHREADS and PERL_IMPLICIT_SYS on Win32.
+
=head1 Reporting Bugs
If you find what you think is a bug, you might check the articles