Fix #2211 (last changes, still need to improve test coverage)
diff --git a/release-notes/VERSION-2.x b/release-notes/VERSION-2.x
index d8857c9..67acc1b 100644
--- a/release-notes/VERSION-2.x
+++ b/release-notes/VERSION-2.x
@@ -21,6 +21,7 @@
#2196: Type safety for `readValue()` with `TypeReference`
(suggested by nguyenfilip@github)
#2204: Add `JsonNode.isEmpty()` as convenience alias
+#2211: Change of behavior (2.8 -> 2.9) with `ObjectMapper.readTree(input)` with no content
#2217: Suboptimal memory allocation in `TextNode.getBinaryValue()`
(reported by Christoph B)
#2223: Add `missingNode()` method in `JsonNodeFactory`