C<Module::CoreList> no longer contains the C<%:patchlevel> hash.
-
=item *
C<length undef> now returns undef.
C<suidperl> is no longer part of Perl. It used to provide a mechanism to
emulate setuid permission bits on systems that don't support it properly.
-
=item Use of C<:=> to mean an empty attribute list
An accident of Perl's parser meant that these constructions were all
pass import arguments to a C<use UNIVERSAL> statement will result in a
deprecation warning.
-
=item Use of "goto" to jump into a construct
Using C<goto> to jump from an outer scope into an inner scope is now
=over
-
=item *
The various large F<Changes*> files (which listed every change made
interacting with the old Perforce-based repository, which is now obsolete.
Information still relevant has been moved to L<perlrepository>.
-
=item *
The syntax C<unless (EXPR) BLOCK else BLOCK> is now documented as valid,
BLOCK>, although actually using the latter may not be the best idea for
the readability of your source code.
-
=item *
Documented -X overloading.
=item *
-C<\N{U+I<wide hex char>}> is now documented.
+C<\N{U+I<code point>}> is now documented.
=back
Perl's developers have fixed several problems with the recognition of
C<\N{...}> constructs. As part of this, perl will store any scalar
-or regex containing C<\N{I<name>}> or C<\N{U+I<wide hex char>}> in its
+or regex containing C<\N{I<name>}> or C<\N{U+I<code point>}> in its
definition in UTF-8 format. (This was true previously for all occurrences
of C<\N{I<name>}> that did not use a custom translator, but now it's
always true.)
could be caused by buggy XS code, and at this point recovery is not
possible.
-
=item *
The fatal error C<Malformed UTF-8 returned by \N> is now produced if the
If the bug you are reporting has security implications, which make it
inappropriate to send to a publicly archived mailing list, then please send
it to perl5-security-report@perl.org. This points to a closed subscription
-unarchived mailing list, which includes all the core committers, who be able
+unarchived mailing list, which includes
+all the core committers, who will be able
to help assess the impact of issues, figure out a resolution, and help
co-ordinate the release of patches to mitigate or fix the problem across all
platforms on which Perl is supported. Please only use this address for