Merge branch '2.19' into 2.20

Author: cowtowncoder

ion/src/test/java/com/fasterxml/jackson/dataformat/ion/IonNumberOverflowTest.java

@@ -81,7 +81,9 @@ public void testLongAsBigIntegerSize() throws Exception {
         BigInteger bigIntLongValue = new BigInteger(Long.MAX_VALUE + "").subtract(BigInteger.TEN);
         IonParser bigIntLongParser = (IonParser) new IonFactory().createParser(bigIntLongValue.toString());
         assertEquals(JsonToken.VALUE_NUMBER_INT, bigIntLongParser.nextToken());
-        assertEquals(JsonParser.NumberType.BIG_INTEGER, bigIntLongParser.getNumberType());
+        // 23-Oct-2025: Ion 1.11.11+ changed behavior: values that fit in long are now
+        //   classified as LONG (was BIG_INTEGER before)
+        assertEquals(JsonParser.NumberType.LONG, bigIntLongParser.getNumberType());
         assertEquals(JsonParser.NumberTypeFP.UNKNOWN, bigIntLongParser.getNumberTypeFP());
         assertEquals(bigIntLongValue.longValue(), bigIntLongParser.getLongValue());
     }    

release-notes/VERSION-2.x

@@ -49,6 +49,8 @@ Active maintainers:
  (fix by Vincent E)
 #616: CBOR text gets truncated on decoding
  (reported, fix contributed by Manuel S)
+#623: (ion) Upgrade `ion-java` dep to 1.11.11 (from 1.11.10)
+ (requested by @Shaurya0108)
 
 2.19.2 (18-Jul-2025)
 
@@ -85,6 +87,11 @@ No changes since 2.19.1
 #571: Unable to deserialize a pojo with IonStruct
  (reported, fix contributed by Josh C)
 
+2.18.5 (not yet released)
+
+#623: (ion) Upgrade `ion-java` dep to 1.11.11 (from 1.11.10)
+ (requested by @Shaurya0108)
+
 2.18.4 (06-May-2025)
 
 #569: (ion) `IonParser` fails to parse some `long` values saying