Update release notes wrt #3609

Author: cowtowncoder

release-notes/CREDITS-2.x

@@ -1493,4 +1493,8 @@ Jordi Ortolá Ankum (Tomasito665@github)
 Arnaud Solé (Bluexin@github)
   * Contributed #3505: Fix deduction deserializer with DefaultTypeResolverBuilder
   (2.14.0)
- 
+
+Richard Kwasnicki (Richie94@github)
+  * Contributed #3609: Allow non-boolean return type for "is-getters" with
+  `MapperFeature.ALLOW_IS_GETTERS_FOR_NON_BOOLEAN`
+  (2.14.0)

release-notes/VERSION-2.x

@@ -64,6 +64,9 @@ Project: jackson-databind
   argument as `JsonPointer` if valid expression
 #3590: Add check in primitive value deserializers to avoid deep wrapper array
   nesting wrt `UNWRAP_SINGLE_VALUE_ARRAYS`
+#3609: Allow non-boolean return type for "is-getters" with
+  `MapperFeature.ALLOW_IS_GETTERS_FOR_NON_BOOLEAN`
+ (contributed by Richard K)
 
 2.13.4 (03-Sep-2022)
 

src/main/java/com/fasterxml/jackson/databind/MapperFeature.java

@@ -487,9 +487,11 @@ public enum MapperFeature implements ConfigFeature
     ALLOW_EXPLICIT_PROPERTY_RENAMING(false),
 
     /**
-     * Feature that when enabled will allow getters with is-Prefix also for non-boolean return types.
+     * Feature that when enabled will allow getters with is-Prefix also for
+     * non-boolean return types; if disabled only methods that return
+     * {@code boolean} or {@code Boolean} qualify as "is getters".
      * <p>
-     * Feature is disabled by default.
+     * Feature is disabled by default for backwards compatibility.
      *
      * @since 2.14
      */

src/main/java/com/fasterxml/jackson/databind/introspect/DefaultAccessorNamingStrategy.java

@@ -44,6 +44,10 @@ public interface BaseNameValidator {
     protected final boolean _isGettersNonBoolean;
 
     protected final String _getterPrefix;
+
+    /**
+     * @since 2.14
+     */
     protected final String _isGetterPrefix;
 
     /**