For some reason, perl5132delta did not include this--probably because
the fix was simply to revert a previous commit.
C<chop> now correctly handles characters above "\x{7fffffff}"
[perl #73246].
+=item *
+
+C<< ($<,$>) = (...) >> stopped working properly in 5.12.0. It is supposed
+to make a single C<setreuid()> call, rather than calling C<setruid()> and
+C<seteuid()> separately. Consequently it did not work properly. This has
+been fixed [perl #75212].
+
=back
=head1 New or Changed Diagnostics