The C<each> function can now operate on arrays.
+=head2 C<when> as a statement modifier
+
+C<when> is now allowed to be used as a statement modifier.
+
=head2 C<$,> flexibility
The variable C<$,> may now be tied.
=item *
+The string repetition operator (C<$str x $num>) is now several times faster
+when C<$str> has length one or C<$num> is large.
+
+=item *
+
Reversing an array to itself (as in C<@a = reverse @a>) in void context
now happens in-place and is several orders of magnitude faster than it
used to be. It will also preserve non-existent elements whenever