Under some circumstances, C<local *method=...> would fail to reset method
caches upon scope exit.
+=item *
+
+C</[.foo.]/> is no longer an error, but produces a warning (as before) and
+is treated as C</[.fo]/> [perl #115818].
+
+=item *
+
+C<goto $tied_var> now calls FETCH before deciding what type of goto
+(subroutine or label) this is.
+
+=item *
+
+Renaming packages through glob assignment
+(C<*Foo:: = *Bar::; *Bar:: = *Baz::>) in combination with C<m?...?> and
+C<reset> no longer makes threaded builds crash.
+
+=item *
+
+An earlier release in the 5.17.x series could crash if user code prevented
+_charnames from loading via C<$INC{'_charnames.pm'}++>.
+
=back
=head1 Known Problems