"previous: Upgrading to 2.4.0":#v2_4_0
+h3. Slurm dispatcher requires configuration update
+
+If you use the Slurm dispatcher (@crunch-dispatch-slurm@) you must add a @Services.DispatchSLURM.InternalURLs@ section to your configuration file, as shown on the "updated install page":{{site.baseurl}}/install/crunch2-slurm/install-dispatch.html.
+
h3. New proxy parameters for arvados-controller
We now recommend disabling nginx proxy caching for arvados-controller, to avoid truncation of large responses.