It’s not specific to regexps, but it’s close enough.
cause a panic error message when attempting to match at the end of the
string [perl #96354].
+=item *
+
+The abbreviations for four C1 control characters C<MW> C<PM>, C<RI>, and
+C<ST> were previously unrecognized by C<\N{}>, vianame(), and
+string_vianame().
+
=back
=head2 Formats
=item *
-The abbreviations for four C1 control characters C<MW> C<PM>, C<RI>, and
-C<ST> were previously unrecognized by C<\N{}>, vianame(), and
-string_vianame().
-
-=item *
-
Some cases of threads crashing due to memory allocation during cloning have
been fixed [perl #90006].