where possible $^X is now set by asking the operating system.
(eg by reading F</proc/self/exe> on Linux, F</proc/curproc/file> on FreeBSD)
+=item *
+
+A new variable, C<${^TAINT}>, indicates whether taint mode is enabled.
+
+=item *
+
+You can now override the readline() builtin, and this overrides also
+the <FILEHANDLE> angle bracket operator.
+
+=item *
+
+The command-line options -s and -F are now recognized on the shebang
+(#!) line.
+
=back
=head1 Modules and Pragmata
=item *
+The warnings issued by File::Find now belong to their own category.
+You can enable/disable them with C<use/no warnings 'File::Find';>.
+
+=item *
+
File::Glob::glob() renamed to File::Glob::bsd_glob() to avoid
prototype mismatch with CORE::glob().
Using arrays or hashes as references (e.g. C<< %foo->{bar} >>
has been deprecated for a while. Now you will get an optional warning.
+=item *
+
+Using C<sort> in scalar context now issues an optional warning.
+This didn't do anything useful, as the sort was not performed.
+
=back
=head1 Changed Internals