diff --git a/UPGRADE.md b/UPGRADE.md
index cc1d07302..83c9ceff9 100644
--- a/UPGRADE.md
+++ b/UPGRADE.md
@@ -1,18 +1,24 @@
 # Upgrade to 2.5
 
+## Minor BC BREAK: EntityPersister `exists` now supports Criteria object
+
+As of 2.5, `EntityPersister` interface supports a Criteria object as the `extraConditions` params. It
+was previously typehinted to be an array, so if you implement your own persister, you need to modify
+the signature.
+
 ## Minor BC BREAK: Custom Hydrators API change
 
-As of 2.5, `AbstractHydrator` does not enforce the usage of cache as part of 
+As of 2.5, `AbstractHydrator` does not enforce the usage of cache as part of
 API, and now provides you a clean API for column information through the method
 `hydrateColumnInfo($column)`.
-Cache variable being passed around by reference is no longer needed since 
+Cache variable being passed around by reference is no longer needed since
 Hydrators are per query instantiated since Doctrine 2.4.
 
 ## Minor BC BREAK: Entity based ``EntityManager#clear()`` calls follow cascade detach
 
-Whenever ``EntityManager#clear()`` method gets called with a given entity class 
-name, until 2.4, it was only detaching the specific requested entity. 
-As of 2.5, ``EntityManager`` will follow configured cascades, providing a better 
+Whenever ``EntityManager#clear()`` method gets called with a given entity class
+name, until 2.4, it was only detaching the specific requested entity.
+As of 2.5, ``EntityManager`` will follow configured cascades, providing a better
 memory management since associations will be garbage collected, optimizing
 resources consumption on long running jobs.