=head2 Running with plackup?
+=head2 Tests in 5.89
+
+Tests should generally work the same in Catalyst 5.89, however there are some differences.
+
+Previously, if using L<Catalyst::Test> and doing local requests (against a local server),
+if the application threw an exception then this exception propagated into the test.
+
+This behaviour has been removed, and now a 500 response will be returned to the test.
+This change unifies behaviour, to make local test requests behave similarly to remote
+requests.
+
=head1 Upgrading to Catalyst 5.80
Most applications and plugins should run unaltered on Catalyst 5.80.
To be able to generate a linear @ISA, the list of superclasses for each
class must be resolvable using the C3 algorithm. Unfortunately, when
superclasses are being used as mixins (to add functionality used in your class),
-and with multiple inheritence, it is easy to get this wrong.
+and with multiple inheritance, it is easy to get this wrong.
Most common is the case of: