diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5ca02817..48cc2880 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,10 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
## [Unreleased]
+### `jsonschema-generator`
+#### Changed
+- consider `Boolean` values as valid in `const`/`enum` (i.e., no longer ignore them)
+
### `jsonschema-module-jakarta-validation`
#### Added
- populate `const`/`enum` based on `@AssertTrue`/`@AssertFalse`
diff --git a/jsonschema-examples/src/main/java/com/github/victools/jsonschema/examples/SingleArrayItemExample.java b/jsonschema-examples/src/main/java/com/github/victools/jsonschema/examples/SingleArrayItemExample.java
new file mode 100644
index 00000000..55c7a319
--- /dev/null
+++ b/jsonschema-examples/src/main/java/com/github/victools/jsonschema/examples/SingleArrayItemExample.java
@@ -0,0 +1,67 @@
+/*
+ * Copyright 2024 VicTools.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.github.victools.jsonschema.examples;
+
+import com.fasterxml.classmate.ResolvedType;
+import com.fasterxml.jackson.databind.node.ObjectNode;
+import com.github.victools.jsonschema.generator.MemberScope;
+import com.github.victools.jsonschema.generator.OptionPreset;
+import com.github.victools.jsonschema.generator.SchemaGenerationContext;
+import com.github.victools.jsonschema.generator.SchemaGenerator;
+import com.github.victools.jsonschema.generator.SchemaGeneratorConfig;
+import com.github.victools.jsonschema.generator.SchemaGeneratorConfigBuilder;
+import com.github.victools.jsonschema.generator.SchemaVersion;
+import com.github.victools.jsonschema.module.jakarta.validation.JakartaValidationModule;
+import jakarta.validation.constraints.NotNull;
+import jakarta.validation.constraints.Size;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.List;
+
+/**
+ * Example created in response to #458.
+ *
+ * Demonstrating target type overrides to represent the Jackson {@code ACCEPT_SINGLE_VALUE_AS_ARRAY} feature.
+ */
+public class SingleArrayItemExample implements SchemaGenerationExampleInterface {
+
+ @Override
+ public ObjectNode generateSchema() {
+ SchemaGeneratorConfigBuilder configBuilder = new SchemaGeneratorConfigBuilder(SchemaVersion.DRAFT_2020_12, OptionPreset.PLAIN_JSON);
+ configBuilder.forFields()
+ .withTargetTypeOverridesResolver(this::acceptSingleValueAsArray);
+ SchemaGeneratorConfig config = configBuilder.build();
+ SchemaGenerator generator = new SchemaGenerator(config);
+ return generator.generateSchema(Example.class);
+ }
+
+ private List acceptSingleValueAsArray(MemberScope, ?> scope) {
+ if (scope.isContainerType() && !scope.isFakeContainerItemScope()) {
+ return Arrays.asList(scope.getContainerItemType(), scope.getType());
+ }
+ return null;
+ }
+
+ static class Example {
+ @NotNull
+ public List someArray;
+ }
+
+ static class ArrayItem {
+ public String value;
+ }
+}
diff --git a/jsonschema-examples/src/test/java/com/github/victools/jsonschema/examples/ExampleTest.java b/jsonschema-examples/src/test/java/com/github/victools/jsonschema/examples/ExampleTest.java
index c93bb35a..4a6c789c 100644
--- a/jsonschema-examples/src/test/java/com/github/victools/jsonschema/examples/ExampleTest.java
+++ b/jsonschema-examples/src/test/java/com/github/victools/jsonschema/examples/ExampleTest.java
@@ -39,6 +39,7 @@ public class ExampleTest {
InheritanceRefExample.class,
JacksonDescriptionAsTitleExample.class,
JacksonSubtypeDefinitionExample.class,
+ SingleArrayItemExample.class,
StrictTypeInfoExample.class,
SubtypeLookUpExample.class,
TargetTypeOverrideExample.class,
diff --git a/jsonschema-examples/src/test/resources/com/github/victools/jsonschema/examples/SingleArrayItemExample-result.json b/jsonschema-examples/src/test/resources/com/github/victools/jsonschema/examples/SingleArrayItemExample-result.json
new file mode 100644
index 00000000..03092d34
--- /dev/null
+++ b/jsonschema-examples/src/test/resources/com/github/victools/jsonschema/examples/SingleArrayItemExample-result.json
@@ -0,0 +1,28 @@
+{
+ "$schema": "https://json-schema.org/draft/2020-12/schema",
+ "$defs": {
+ "ArrayItem": {
+ "type": "object",
+ "properties": {
+ "value": {
+ "type": "string"
+ }
+ }
+ }
+ },
+ "type": "object",
+ "properties": {
+ "someArray": {
+ "anyOf": [
+ {
+ "$ref": "#/$defs/ArrayItem"
+ }, {
+ "type": "array",
+ "items": {
+ "$ref": "#/$defs/ArrayItem"
+ }
+ }
+ ]
+ }
+ }
+}
\ No newline at end of file