diff --git a/ion/src/test/java/tools/jackson/dataformat/ion/failing/UncaughtException303Test.java b/ion/src/test/java/tools/jackson/dataformat/ion/DatabindRead303Test.java
similarity index 77%
rename from ion/src/test/java/tools/jackson/dataformat/ion/failing/UncaughtException303Test.java
rename to ion/src/test/java/tools/jackson/dataformat/ion/DatabindRead303Test.java
index bac953835..b4178d2c7 100644
--- a/ion/src/test/java/tools/jackson/dataformat/ion/failing/UncaughtException303Test.java
+++ b/ion/src/test/java/tools/jackson/dataformat/ion/DatabindRead303Test.java
@@ -1,4 +1,4 @@
-package tools.jackson.dataformat.ion.failing;
+package tools.jackson.dataformat.ion;
 
 import java.net.URL;
 
@@ -9,7 +9,7 @@
 
 import static org.junit.Assert.*;
 
-public class UncaughtException303Test
+public class DatabindRead303Test
 {
     private final IonObjectMapper MAPPER = IonObjectMapper.builder().build();
 
@@ -22,8 +22,9 @@ public void testUncaughtException303() throws Exception
             MAPPER.readTree(poc);
             fail("Should not pass with invalid content");
         } catch (StreamReadException e) {
-            // !!! TODO: change to match what we actually expect
-            verifyException(e, "MATCH MESSAGE");
+            // 19-Dec-2023, tatu: Looks like message depends on ion-java version,
+            //     cannot easily verify
+            // verifyException(e, "Value exceeds the length of its parent container");
         }
     }
 
diff --git a/release-notes/VERSION-2.x b/release-notes/VERSION-2.x
index fd6831dee..b17cd6442 100644
--- a/release-notes/VERSION-2.x
+++ b/release-notes/VERSION-2.x
@@ -28,6 +28,11 @@ Active maintainers:
  (fix contributed by Arthur C)
 -(ion) Update `com.amazon.ion:ion-java` to 1.11.0 (from 1.10.5)
 
+2.16.1 (not yet released)
+
+#303: `NullPointerException` in `IonParser.nextToken()`
+ (reported by @ZanderHuang)
+
 2.16.0 (15-Nov-2023)
 
 #400: (avro) Rewrite Avro buffer recycling (`ApacheCodecRecycler.java`) to