-C<BEGIN {require 5.12.0}> now behaves as documented, rather than behaving
-identically to C<use 5.12.0;>. Previously, C<require> in a C<BEGIN> block
-was erroneously executing the C<use feature ':5.12.0'> and
-C<use strict; use warnings;> behaviour, which only C<use> was documented to
-provide
-L<[perl #69050]|http://rt.perl.org/rt3/Public/Bug/Display.html?id=69050>.
-
-=item *
-
-C<use 5.42>
-L<[perl #69050]|http://rt.perl.org/rt3/Public/Bug/Display.html?id=69050>,
-C<use 6> and C<no 5> no longer leak memory.
-
-=item *
-
-C<eval "BEGIN{die}"> no longer leaks memory on non-threaded builds.
-
-=item *
-
-PerlIO no longer crashes when called recursively, e.g., from a signal
-handler. Now it just leaks memory
-L<[perl #75556]|http://rt.perl.org/rt3/Public/Bug/Display.html?id=75556>.
-
-=item *
-
-Defining a constant with the same name as one of perl's special blocks
-(e.g., INIT) stopped working in 5.12.0, but has now been fixed
-L<[perl #78634]|http://rt.perl.org/rt3/Public/Bug/Display.html?id=78634>.
-
-=item *
-
-A reference to a literal value used as a hash key (C<$hash{\"foo"}>) used
-to be stringified, even if the hash was tied
-L<[perl #79178]|http://rt.perl.org/rt3/Public/Bug/Display.html?id=79178>.
-
-=item *
-
-A number of bugs with regular expression bracketed character classes
-have been fixed, mostly having to do with matching characters in the
-non-ASCII Latin-1 range.
-
-=item *
-
-A closure containing an C<if> statement followed by a constant or variable
-is no longer treated as a constant
-L<[perl #63540]|http://rt.perl.org/rt3/Public/Bug/Display.html?id=63540>.
-
-=item *
-
-Calling a closure prototype (what is passed to an attribute handler for a
-closure) now results in a "Closure prototype called" error message
-L<[perl #68560]|http://rt.perl.org/rt3/Public/Bug/Display.html?id=68560>.