upgrade info from 2.2 to 2.3

fieg · fieg · commit 207ec2698364 · 2018-03-16T13:26:20.000+01:00
diff --git a/UPGRADE.md b/UPGRADE.md
@@ -1,3 +1,9 @@
+Upgrade from 2.2 to 2.3
+=======================
+
+* `noneLeft` event is now triggered one page earlier
+* `ready` event is now actually triggered at least once
+
 Upgrade from 2.1 to 2.2
 =======================
 
