MDL-49662 local: upgrade.txt note

cbe1b861 · Dan Poltawski · e7e0a570 · cbe1b861
Commit cbe1b861 authored Jan 13, 2016 by Dan Poltawski
--- a/local/upgrade.txt
+++ b/local/upgrade.txt
 This file describes API changes for the plugins of the type 'local'.

+=== 3.1 ===
+
+* Navigation API callbacks local_<plugin>_extends_navigation() and local_<plugin>_extends_settings_navigation() have been removed.
+  Please rename them to local_<plugin>_extend_navigation() and local_<plugin>_extend_settings_navigation() respectively.
+
 === 2.9 ===

 * Navigation API callbacks local_<plugin>_extends_navigation() and local_<plugin>_extends_settings_navigation() are deprecated.