diff --git a/README.md b/README.md
index 2d9c97f0fb0..3a443c0258d 100644
--- a/README.md
+++ b/README.md
@@ -16,7 +16,7 @@ so developers can use all of those features.
 Currently, the following languages/frameworks are supported:
 
 - python (Stability: Stable)
-- java (Stability: Experimental)
+- java (Stability: Stable)
 
 ## Join Our Community
 We use a Discord server as a place to ask questions and help each other. It offers functionality very similar to Slack.
@@ -49,7 +49,7 @@ You can join us here: https://discord.gg/mHB8WEQuYQ
 - Invalid (in python) property names supported like `from`, `1var`, `hi-there` etc in
   - schema property names
   - endpoint parameter names
-- Payload values are not coerced when validated, so a datetime value can pass other validations that describe the payload only as type string
+- Payload values are not coerced when validated, so a date/date-time value can pass other validations that describe the payload only as type string
 - types are generated for enums of type string/integer/boolean using typing.Literal
 - String transmission of numbers supported with type: string, format: number, value can be accessed as a Decimal with schemas.as_decimal(inst)
 - Multiple content types supported for request and response bodies
@@ -67,11 +67,9 @@ And many more!
 
 ## Reasons To Use the Java Generator
 
-- v3.0.0 - [v3.1.0](docs/generators/java.md#schema-feature) OpenAPI Specification support for component schemas
-- Very [thorough documentation generated in the style of javadocs, includes code samples](samples/client/petstore/java/docs/components/schemas/Money.md#money)
-- Sealed classes used to define different endpoint responses.
-  Sealed classes used to define different response body classes.
-  Endpoint code samples include exhaustive handling of the sealed classes.
+- v3.0.0 - [v3.1.0](docs/generators/java.md#schema-feature) OpenAPI Specification support
+- Documentation generated in the style of javadocs. Examples: [Money schema](samples/client/petstore/java/docs/components/schemas/Money.md#money1) [Pet.addPet endpoint](samples/client/petstore/java/docs/apis/tags/Pet.md#addpet)
+- Sealed classes used to define endpoint responses/response bodies/validated schema payloads/request bodies
 - Input types constrained for a Schema in SomeSchema.validate
   - validate method can accept arbitrary List/Map/null/int/long/double/float/String json data
 - Immutable List output classes generated and returned by validate for List<?> input
@@ -95,8 +93,8 @@ And many more!
 - Generated interfaces are largely consistent with the python code
 - Openapi spec inline schemas supported at any depth in any location
 - Format support for: int32, int64, float, double, date, datetime, uuid
-- Payload values are not coerced when validated, so a datetime value can pass other validations that describe the payload only as type string
-- types are generated for enums of type string/number/integer/boolean/null
+- Payload values are not coerced when validated, so a date/date-time value can pass other validations that describe the payload only as type string
+- enum types are generated for enums of type string/integer/number/boolean/null
 - String transmission of numbers supported with type: string, format: number
 - [Autogenerated thorough testing of json schema keyword features in models and endpoints](samples/client/3_0_3_unit_test/java/src/test/java/org/openapijsonschematools/client/components/schemas) which come from the [json schema test suite](https://github.com/json-schema-org/JSON-Schema-Test-Suite)
 - [Tests are passing in CI](https://app.circleci.com/pipelines/github/openapi-json-schema-tools/openapi-json-schema-generator?branch=master)
diff --git a/docs/generators/java.md b/docs/generators/java.md
index 83844d3c5fa..f9efbabe28f 100644
--- a/docs/generators/java.md
+++ b/docs/generators/java.md
@@ -7,12 +7,12 @@ title: Documentation for the java generator
 | Property | Value | Notes |
 | -------- | ----- | ----- |
 | generator name | java | pass this to the generate command after -g |
-| generator stability | EXPERIMENTAL | |
+| generator stability | STABLE | |
 | generator type | CLIENT | |
 | generator language | Java | |
 | generator language version | 17 | |
 | generator default templating engine | handlebars | |
-| helpTxt | Generates a Java client library<br /><br />Features in this generator:<br />- v3.0.0 - [v3.0.3](#schema-feature) OpenAPI Specification support for component schemas<br />- Very [thorough documentation generated in the style of javadocs, includes code samples](samples/client/petstore/java/docs/components/schemas/Money.md#money)<br />- Input types constrained for a Schema in SomeSchema.validate<br />  - validate method can accept arbitrary List/Map/null/int/long/double/float/String json data<br />- Immutable List output classes generated and returned by validate for List&lt;?&gt; input<br />- Immutable Map output classes generated and returned by validate for Map&lt;?, ?&gt; input<br />- Strictly typed list input can be instantiated in client code using generated ListBuilders<br />- Strictly typed map input can be instantiated in client code using generated MapBuilders<br />  - Sequential map builders are generated ensuring that required properties are set before build is invoked. Looks like:<br />  - `new MapBuilder().requiredA("a").requiredB("b").build()`<br />  - `new MapBuilder().requiredA("a").requiredB("b").optionalProp("c").additionalProperty("someAddProp", "d").build()`<br />- Run time type checking and validation when<br />  - validating schema payloads<br />  - instantiating List output class (validation run)<br />  - instantiating Map output class (validation run)<br />  - Note: if needed, validation of json schema keywords can be deactivated via a SchemaConfiguration class<br />- Enums classes are generated and may be input into Schema.validate or the List/MapBuilder add/setter methods<br />- The [Checker-Framework's](https://github.com/typetools/checker-framework) NullnessChecker and @Nullable annotations are used in the java client<br />  - ensuring that null pointer exceptions will not happen<br />- Invalid (in java) property names supported like `class`, `1var`, `hi-there` etc in<br />  - component schema names<br />  - schema property names (a fallback setter is written in the MapBuilder)<br />- Generated interfaces are largely consistent with the python code<br />- Openapi spec inline schemas supported at any depth in any location<br />- Format support for: int32, int64, float, double, date, datetime, uuid<br />- Payload values are not coerced when validated, so a datetime value can pass other validations that describe the payload only as type string<br />- types are generated for enums of type string/integer/boolean using typing.Literal<br />- String transmission of numbers supported with type: string, format: number | |
+| helpTxt | Generates a Java client library<br /><br />Features in this generator:<br />- v3.0.0 - [v3.1.0](#schema-feature) OpenAPI Specification support<br />- Very thorough documentation generated in the style of javadocs<br />- Input types constrained for a Schema in SomeSchema.validate<br />  - validate method can accept arbitrary List/Map/null/int/long/double/float/String json data<br />- Immutable List output classes generated and returned by validate for List&lt;?&gt; input<br />- Immutable Map output classes generated and returned by validate for Map&lt;?, ?&gt; input<br />- Strictly typed list input can be instantiated in client code using generated ListBuilders<br />- Strictly typed map input can be instantiated in client code using generated MapBuilders<br />  - Sequential map builders are generated ensuring that required properties are set before build is invoked. Looks like:<br />  - `new MapBuilder().requiredA("a").requiredB("b").build()`<br />  - `new MapBuilder().requiredA("a").requiredB("b").optionalProp("c").additionalProperty("someAddProp", "d").build()`<br />- Run time type checking and validation when<br />  - validating schema payloads<br />  - instantiating List output class (validation run)<br />  - instantiating Map output class (validation run)<br />  - Note: if needed, validation of json schema keywords can be deactivated via a SchemaConfiguration class<br />- Enums classes are generated and may be input into Schema.validate or the List/MapBuilder add/setter methods<br />- The [Checker-Framework's](https://github.com/typetools/checker-framework) NullnessChecker and @Nullable annotations are used in the java client<br />  - ensuring that null pointer exceptions will not happen<br />- Invalid (in java) property names supported like `class`, `1var`, `hi-there` etc in<br />  - component schema names<br />  - schema property names (a fallback setter is written in the MapBuilder)<br />- Generated interfaces are largely consistent with the python code<br />- Openapi spec inline schemas supported at any depth in any location<br />- Format support for: int32, int64, float, double, date, datetime, uuid<br />- Payload values are not coerced when validated, so a date/date-time value can pass other validations that describe the payload only as type string<br />- enum types are generated for enums of type string/integer/number/boolean/null<br />- String transmission of numbers supported with type: string, format: number | |
 
 ## CONFIG OPTIONS
 These options may be applied as additional-properties (cli) or configOptions (plugins). Refer to [configuration docs](https://openapi-generator.tech/docs/configuration) for more details.
@@ -218,7 +218,7 @@ These options may be applied as additional-properties (cli) or configOptions (pl
 | ---- | --------- | ---------- |
 |Readme|✓|ToolingExtension
 |Servers|✓|OAS3
-|Security|✗|OAS2,OAS3
+|Security|✓|OAS2,OAS3
 |ComponentSchemas|✓|OAS3
 |ComponentResponses|✓|OAS3
 |ComponentParameters|✓|OAS3
@@ -228,7 +228,7 @@ These options may be applied as additional-properties (cli) or configOptions (pl
 |ComponentLinks|✗|OAS3
 |ComponentCallbacks|✗|OAS3
 |ComponentPathItems|✗|OAS3
-|Api|✗|ToolingExtension
+|Api|✓|ToolingExtension
 
 ### Global Feature
 | Name | Supported | Defined By |
diff --git a/pom.xml b/pom.xml
index 3b4c68fe037..0895436d3dd 100644
--- a/pom.xml
+++ b/pom.xml
@@ -446,7 +446,7 @@
     </dependencies>
     <properties>
         <!-- RELEASE_VERSION -->
-        <revision>4.1.3</revision>
+        <revision>4.2.0</revision>
         <!-- /RELEASE_VERSION -->
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <java.version>11</java.version>
diff --git a/src/main/java/org/openapijsonschematools/codegen/generators/JavaClientGenerator.java b/src/main/java/org/openapijsonschematools/codegen/generators/JavaClientGenerator.java
index 17fe83c6df8..0bc94b8281a 100644
--- a/src/main/java/org/openapijsonschematools/codegen/generators/JavaClientGenerator.java
+++ b/src/main/java/org/openapijsonschematools/codegen/generators/JavaClientGenerator.java
@@ -117,7 +117,7 @@ public class JavaClientGenerator extends DefaultGenerator implements Generator {
     private final Map<String, String> schemaKeyToModelNameCache = new HashMap<>();
 
     protected Stability getStability() {
-        return Stability.EXPERIMENTAL;
+        return Stability.STABLE;
     }
 
     @Override
@@ -259,87 +259,89 @@ public JavaClientGenerator() {
         instantiationTypes.put("null", "Void (null)");
 
         modifyFeatureSet(features -> features
-                .includeDocumentationFeatures(
-                        DocumentationFeature.Readme,
-                        DocumentationFeature.Servers,
-                        DocumentationFeature.ComponentSchemas,
-                        DocumentationFeature.ComponentSecuritySchemes,
-                        DocumentationFeature.ComponentRequestBodies,
-                        DocumentationFeature.ComponentResponses,
-                        DocumentationFeature.ComponentHeaders,
-                        DocumentationFeature.ComponentParameters
-                )
-                .includeGlobalFeatures(
-                        GlobalFeature.Components,
-                        GlobalFeature.Servers,
-                        GlobalFeature.Security,
-                        GlobalFeature.Paths
-                )
-                .includeComponentsFeatures(
-                        ComponentsFeature.schemas,
-                        ComponentsFeature.securitySchemes,
-                        ComponentsFeature.requestBodies,
-                        ComponentsFeature.responses,
-                        ComponentsFeature.headers,
-                        ComponentsFeature.parameters
-                )
-                .includeSecurityFeatures(
-                        SecurityFeature.ApiKey,
-                        SecurityFeature.HTTP_Basic,
-                        SecurityFeature.HTTP_Bearer
-                )
-                .includeOperationFeatures(
-                        OperationFeature.Security,
-                        OperationFeature.Servers,
-                        OperationFeature.Responses_Default,
-                        OperationFeature.Responses_HttpStatusCode,
-                        OperationFeature.Responses_RangedResponseCodes,
-                        OperationFeature.Responses_RedirectionResponse
-                )
-                .includeSchemaFeatures(
-                        SchemaFeature.AdditionalProperties,
-                        SchemaFeature.AllOf,
-                        SchemaFeature.AnyOf,
-                        SchemaFeature.Const,
-                        SchemaFeature.Contains,
-                        SchemaFeature.Default,
-                        SchemaFeature.DependentRequired,
-                        SchemaFeature.DependentSchemas,
-                        // SchemaFeature.Discriminator,
-                        SchemaFeature.Else,
-                        SchemaFeature.Enum,
-                        SchemaFeature.ExclusiveMaximum,
-                        SchemaFeature.ExclusiveMinimum,
-                        SchemaFeature.Format,
-                        SchemaFeature.If,
-                        SchemaFeature.Items,
-                        SchemaFeature.MaxContains,
-                        SchemaFeature.MaxItems,
-                        SchemaFeature.MaxLength,
-                        SchemaFeature.MaxProperties,
-                        SchemaFeature.Maximum,
-                        SchemaFeature.MinContains,
-                        SchemaFeature.MinItems,
-                        SchemaFeature.MinLength,
-                        SchemaFeature.MinProperties,
-                        SchemaFeature.Minimum,
-                        SchemaFeature.MultipleOf,
-                        SchemaFeature.Not,
-                        SchemaFeature.Nullable,
-                        SchemaFeature.OneOf,
-                        SchemaFeature.Pattern,
-                        SchemaFeature.PatternProperties,
-                        SchemaFeature.PrefixItems,
-                        SchemaFeature.Properties,
-                        SchemaFeature.PropertyNames,
-                        SchemaFeature.Ref,
-                        SchemaFeature.Required,
-                        SchemaFeature.Then,
-                        SchemaFeature.Type,
-                        SchemaFeature.UnevaluatedItems,
-                        SchemaFeature.UnevaluatedProperties,
-                        SchemaFeature.UniqueItems
-                )
+            .includeDocumentationFeatures(
+                DocumentationFeature.Readme,
+                DocumentationFeature.Servers,
+                DocumentationFeature.Security,
+                DocumentationFeature.ComponentSchemas,
+                DocumentationFeature.ComponentSecuritySchemes,
+                DocumentationFeature.ComponentRequestBodies,
+                DocumentationFeature.ComponentResponses,
+                DocumentationFeature.ComponentHeaders,
+                DocumentationFeature.ComponentParameters,
+                DocumentationFeature.Api
+            )
+            .includeGlobalFeatures(
+                GlobalFeature.Components,
+                GlobalFeature.Servers,
+                GlobalFeature.Security,
+                GlobalFeature.Paths
+            )
+            .includeComponentsFeatures(
+                ComponentsFeature.schemas,
+                ComponentsFeature.securitySchemes,
+                ComponentsFeature.requestBodies,
+                ComponentsFeature.responses,
+                ComponentsFeature.headers,
+                ComponentsFeature.parameters
+            )
+            .includeSecurityFeatures(
+                SecurityFeature.ApiKey,
+                SecurityFeature.HTTP_Basic,
+                SecurityFeature.HTTP_Bearer
+            )
+            .includeOperationFeatures(
+                OperationFeature.Security,
+                OperationFeature.Servers,
+                OperationFeature.Responses_Default,
+                OperationFeature.Responses_HttpStatusCode,
+                OperationFeature.Responses_RangedResponseCodes,
+                OperationFeature.Responses_RedirectionResponse
+            )
+            .includeSchemaFeatures(
+                SchemaFeature.AdditionalProperties,
+                SchemaFeature.AllOf,
+                SchemaFeature.AnyOf,
+                SchemaFeature.Const,
+                SchemaFeature.Contains,
+                SchemaFeature.Default,
+                SchemaFeature.DependentRequired,
+                SchemaFeature.DependentSchemas,
+                // SchemaFeature.Discriminator,
+                SchemaFeature.Else,
+                SchemaFeature.Enum,
+                SchemaFeature.ExclusiveMaximum,
+                SchemaFeature.ExclusiveMinimum,
+                SchemaFeature.Format,
+                SchemaFeature.If,
+                SchemaFeature.Items,
+                SchemaFeature.MaxContains,
+                SchemaFeature.MaxItems,
+                SchemaFeature.MaxLength,
+                SchemaFeature.MaxProperties,
+                SchemaFeature.Maximum,
+                SchemaFeature.MinContains,
+                SchemaFeature.MinItems,
+                SchemaFeature.MinLength,
+                SchemaFeature.MinProperties,
+                SchemaFeature.Minimum,
+                SchemaFeature.MultipleOf,
+                SchemaFeature.Not,
+                SchemaFeature.Nullable,
+                SchemaFeature.OneOf,
+                SchemaFeature.Pattern,
+                SchemaFeature.PatternProperties,
+                SchemaFeature.PrefixItems,
+                SchemaFeature.Properties,
+                SchemaFeature.PropertyNames,
+                SchemaFeature.Ref,
+                SchemaFeature.Required,
+                SchemaFeature.Then,
+                SchemaFeature.Type,
+                SchemaFeature.UnevaluatedItems,
+                SchemaFeature.UnevaluatedProperties,
+                SchemaFeature.UniqueItems
+            )
         );
 
         outputFolder = "generated-code" + File.separator + "java";
@@ -378,8 +380,8 @@ public String getHelp() {
             "Generates a Java client library",
             "",
             "Features in this generator:",
-            "- v3.0.0 - [v3.0.3](#schema-feature) OpenAPI Specification support for component schemas",
-            "- Very [thorough documentation generated in the style of javadocs, includes code samples](samples/client/petstore/java/docs/components/schemas/Money.md#money)",
+            "- v3.0.0 - [v3.1.0](#schema-feature) OpenAPI Specification support",
+            "- Very thorough documentation generated in the style of javadocs",
             "- Input types constrained for a Schema in SomeSchema.validate",
             "  - validate method can accept arbitrary List/Map/null/int/long/double/float/String json data",
             "- Immutable List output classes generated and returned by validate for List&lt;?&gt; input",
@@ -403,8 +405,8 @@ public String getHelp() {
             "- Generated interfaces are largely consistent with the python code",
             "- Openapi spec inline schemas supported at any depth in any location",
             "- Format support for: int32, int64, float, double, date, datetime, uuid",
-            "- Payload values are not coerced when validated, so a datetime value can pass other validations that describe the payload only as type string",
-            "- types are generated for enums of type string/integer/boolean using typing.Literal",
+            "- Payload values are not coerced when validated, so a date/date-time value can pass other validations that describe the payload only as type string",
+            "- enum types are generated for enums of type string/integer/number/boolean/null",
             "- String transmission of numbers supported with type: string, format: number"
         );
     }