v7.19.0 release (#22732 )

* v7.19.0 release * update mill test
[Protobuf] Improve oneOf Handling by Unwrapping allOf for Complex Types (#22700 )
2026-01-24 11:27:10 +00:00 · 2026-01-19 18:06:38 +08:00 · 2026-01-19 17:00:31 +08:00 · 2026-01-19 16:57:38 +08:00 · 2026-01-19 16:37:22 +08:00 · 2026-01-19 15:09:24 +08:00
63 changed files with 412 additions and 51 deletions
--- a/bin/configs/java-native-useGzipFeature.yaml
+++ b/bin/configs/java-native-useGzipFeature.yaml
@@ -7,3 +7,4 @@ additionalProperties:
  artifactId: petstore-native-useGzipFeature
  hideGenerationTimestamp: "true"
  useJakartaEe: "true"
+  useGzipFeature: "true"
--- a/docs/generators/groovy.md
+++ b/docs/generators/groovy.md
@@ -34,6 +34,7 @@ These options may be applied as additional-properties (cli) or configOptions (pl
 |developerName|developer name in generated pom.xml| |OpenAPI-Generator Contributors|
 |developerOrganization|developer organization in generated pom.xml| |OpenAPITools.org|
 |developerOrganizationUrl|developer organization URL in generated pom.xml| |http://openapitools.org|
+|disableDiscriminatorJsonIgnoreProperties|Ignore discriminator field type for Jackson serialization| |false|
 |disableHtmlEscaping|Disable HTML escaping of JSON strings when using gson (needed to avoid problems with byte[] fields)| |false|
 |disallowAdditionalPropertiesIfNotPresent|If false, the 'additionalProperties' implementation (set to true by default) is compliant with the OAS and JSON schema specifications. If true (default), keep the old (incorrect) behaviour that 'additionalProperties' is set to false by default.|<dl><dt>**false**</dt><dd>The 'additionalProperties' implementation is compliant with the OAS and JSON schema specifications.</dd><dt>**true**</dt><dd>Keep the old (incorrect) behaviour that 'additionalProperties' is set to false by default.</dd></dl>|true|
 |discriminatorCaseSensitive|Whether the discriminator value lookup should be case-sensitive or not. This option only works for Java API client| |true|
--- a/docs/generators/java-camel.md
+++ b/docs/generators/java-camel.md
@@ -49,6 +49,7 @@ These options may be applied as additional-properties (cli) or configOptions (pl
 |developerName|developer name in generated pom.xml| |OpenAPI-Generator Contributors|
 |developerOrganization|developer organization in generated pom.xml| |OpenAPITools.org|
 |developerOrganizationUrl|developer organization URL in generated pom.xml| |http://openapitools.org|
+|disableDiscriminatorJsonIgnoreProperties|Ignore discriminator field type for Jackson serialization| |false|
 |disableHtmlEscaping|Disable HTML escaping of JSON strings when using gson (needed to avoid problems with byte[] fields)| |false|
 |disallowAdditionalPropertiesIfNotPresent|If false, the 'additionalProperties' implementation (set to true by default) is compliant with the OAS and JSON schema specifications. If true (default), keep the old (incorrect) behaviour that 'additionalProperties' is set to false by default.|<dl><dt>**false**</dt><dd>The 'additionalProperties' implementation is compliant with the OAS and JSON schema specifications.</dd><dt>**true**</dt><dd>Keep the old (incorrect) behaviour that 'additionalProperties' is set to false by default.</dd></dl>|true|
 |discriminatorCaseSensitive|Whether the discriminator value lookup should be case-sensitive or not. This option only works for Java API client| |true|
--- a/docs/generators/java-dubbo.md
+++ b/docs/generators/java-dubbo.md
@@ -38,6 +38,7 @@ These options may be applied as additional-properties (cli) or configOptions (pl
 |developerName|developer name in generated pom.xml| |OpenAPI-Generator Contributors|
 |developerOrganization|developer organization in generated pom.xml| |OpenAPITools.org|
 |developerOrganizationUrl|developer organization URL in generated pom.xml| |http://openapitools.org|
+|disableDiscriminatorJsonIgnoreProperties|Ignore discriminator field type for Jackson serialization| |false|
 |disableHtmlEscaping|Disable HTML escaping of JSON strings when using gson (needed to avoid problems with byte[] fields)| |false|
 |disallowAdditionalPropertiesIfNotPresent|If false, the 'additionalProperties' implementation (set to true by default) is compliant with the OAS and JSON schema specifications. If true (default), keep the old (incorrect) behaviour that 'additionalProperties' is set to false by default.|<dl><dt>**false**</dt><dd>The 'additionalProperties' implementation is compliant with the OAS and JSON schema specifications.</dd><dt>**true**</dt><dd>Keep the old (incorrect) behaviour that 'additionalProperties' is set to false by default.</dd></dl>|true|
 |discriminatorCaseSensitive|Whether the discriminator value lookup should be case-sensitive or not. This option only works for Java API client| |true|
--- a/docs/generators/java-helidon-client.md
+++ b/docs/generators/java-helidon-client.md
@@ -33,6 +33,7 @@ These options may be applied as additional-properties (cli) or configOptions (pl
 |configKey|Config key in @RegisterRestClient. Default to none.| |null|
 |containerDefaultToNull|Set containers (array, set, map) default to null| |false|
 |dateLibrary|Option. Date library to use|<dl><dt>**joda**</dt><dd>Joda (for legacy app only)</dd><dt>**legacy**</dt><dd>Legacy java.util.Date</dd><dt>**java8-localdatetime**</dt><dd>Java 8 using LocalDateTime (for legacy app only)</dd><dt>**java8**</dt><dd>Java 8 native JSR310 (preferred for jdk 1.8+)</dd></dl>|java8|
+|disableDiscriminatorJsonIgnoreProperties|Ignore discriminator field type for Jackson serialization| |false|
 |disallowAdditionalPropertiesIfNotPresent|If false, the 'additionalProperties' implementation (set to true by default) is compliant with the OAS and JSON schema specifications. If true (default), keep the old (incorrect) behaviour that 'additionalProperties' is set to false by default.|<dl><dt>**false**</dt><dd>The 'additionalProperties' implementation is compliant with the OAS and JSON schema specifications.</dd><dt>**true**</dt><dd>Keep the old (incorrect) behaviour that 'additionalProperties' is set to false by default.</dd></dl>|true|
 |discriminatorCaseSensitive|Whether the discriminator value lookup should be case-sensitive or not. This option only works for Java API client| |true|
 |ensureUniqueParams|Whether to ensure parameter names are unique in an operation (rename parameters that are not).| |true|
--- a/docs/generators/java-helidon-server.md
+++ b/docs/generators/java-helidon-server.md
@@ -32,6 +32,7 @@ These options may be applied as additional-properties (cli) or configOptions (pl
 |camelCaseDollarSign|Fix camelCase when starting with $ sign. when true : $Value when false : $value| |false|
 |containerDefaultToNull|Set containers (array, set, map) default to null| |false|
 |dateLibrary|Option. Date library to use|<dl><dt>**joda**</dt><dd>Joda (for legacy app only)</dd><dt>**legacy**</dt><dd>Legacy java.util.Date</dd><dt>**java8-localdatetime**</dt><dd>Java 8 using LocalDateTime (for legacy app only)</dd><dt>**java8**</dt><dd>Java 8 native JSR310 (preferred for jdk 1.8+)</dd></dl>|java8|
+|disableDiscriminatorJsonIgnoreProperties|Ignore discriminator field type for Jackson serialization| |false|
 |disallowAdditionalPropertiesIfNotPresent|If false, the 'additionalProperties' implementation (set to true by default) is compliant with the OAS and JSON schema specifications. If true (default), keep the old (incorrect) behaviour that 'additionalProperties' is set to false by default.|<dl><dt>**false**</dt><dd>The 'additionalProperties' implementation is compliant with the OAS and JSON schema specifications.</dd><dt>**true**</dt><dd>Keep the old (incorrect) behaviour that 'additionalProperties' is set to false by default.</dd></dl>|true|
 |discriminatorCaseSensitive|Whether the discriminator value lookup should be case-sensitive or not. This option only works for Java API client| |true|
 |ensureUniqueParams|Whether to ensure parameter names are unique in an operation (rename parameters that are not).| |true|
--- a/docs/generators/java-inflector.md
+++ b/docs/generators/java-inflector.md
@@ -36,6 +36,7 @@ These options may be applied as additional-properties (cli) or configOptions (pl
 |developerName|developer name in generated pom.xml| |OpenAPI-Generator Contributors|
 |developerOrganization|developer organization in generated pom.xml| |OpenAPITools.org|
 |developerOrganizationUrl|developer organization URL in generated pom.xml| |http://openapitools.org|
+|disableDiscriminatorJsonIgnoreProperties|Ignore discriminator field type for Jackson serialization| |false|
 |disableHtmlEscaping|Disable HTML escaping of JSON strings when using gson (needed to avoid problems with byte[] fields)| |false|
 |disallowAdditionalPropertiesIfNotPresent|If false, the 'additionalProperties' implementation (set to true by default) is compliant with the OAS and JSON schema specifications. If true (default), keep the old (incorrect) behaviour that 'additionalProperties' is set to false by default.|<dl><dt>**false**</dt><dd>The 'additionalProperties' implementation is compliant with the OAS and JSON schema specifications.</dd><dt>**true**</dt><dd>Keep the old (incorrect) behaviour that 'additionalProperties' is set to false by default.</dd></dl>|true|
 |discriminatorCaseSensitive|Whether the discriminator value lookup should be case-sensitive or not. This option only works for Java API client| |true|
--- a/docs/generators/java-micronaut-client.md
+++ b/docs/generators/java-micronaut-client.md
@@ -45,6 +45,7 @@ These options may be applied as additional-properties (cli) or configOptions (pl
 |developerName|developer name in generated pom.xml| |OpenAPI-Generator Contributors|
 |developerOrganization|developer organization in generated pom.xml| |OpenAPITools.org|
 |developerOrganizationUrl|developer organization URL in generated pom.xml| |http://openapitools.org|
+|disableDiscriminatorJsonIgnoreProperties|Ignore discriminator field type for Jackson serialization| |false|
 |disableHtmlEscaping|Disable HTML escaping of JSON strings when using gson (needed to avoid problems with byte[] fields)| |false|
 |disallowAdditionalPropertiesIfNotPresent|If false, the 'additionalProperties' implementation (set to true by default) is compliant with the OAS and JSON schema specifications. If true (default), keep the old (incorrect) behaviour that 'additionalProperties' is set to false by default.|<dl><dt>**false**</dt><dd>The 'additionalProperties' implementation is compliant with the OAS and JSON schema specifications.</dd><dt>**true**</dt><dd>Keep the old (incorrect) behaviour that 'additionalProperties' is set to false by default.</dd></dl>|true|
 |discriminatorCaseSensitive|Whether the discriminator value lookup should be case-sensitive or not. This option only works for Java API client| |true|
--- a/docs/generators/java-micronaut-server.md
+++ b/docs/generators/java-micronaut-server.md
@@ -40,6 +40,7 @@ These options may be applied as additional-properties (cli) or configOptions (pl
 |developerName|developer name in generated pom.xml| |OpenAPI-Generator Contributors|
 |developerOrganization|developer organization in generated pom.xml| |OpenAPITools.org|
 |developerOrganizationUrl|developer organization URL in generated pom.xml| |http://openapitools.org|
+|disableDiscriminatorJsonIgnoreProperties|Ignore discriminator field type for Jackson serialization| |false|
 |disableHtmlEscaping|Disable HTML escaping of JSON strings when using gson (needed to avoid problems with byte[] fields)| |false|
 |disallowAdditionalPropertiesIfNotPresent|If false, the 'additionalProperties' implementation (set to true by default) is compliant with the OAS and JSON schema specifications. If true (default), keep the old (incorrect) behaviour that 'additionalProperties' is set to false by default.|<dl><dt>**false**</dt><dd>The 'additionalProperties' implementation is compliant with the OAS and JSON schema specifications.</dd><dt>**true**</dt><dd>Keep the old (incorrect) behaviour that 'additionalProperties' is set to false by default.</dd></dl>|true|
 |discriminatorCaseSensitive|Whether the discriminator value lookup should be case-sensitive or not. This option only works for Java API client| |true|
--- a/docs/generators/java-microprofile.md
+++ b/docs/generators/java-microprofile.md
@@ -41,6 +41,7 @@ These options may be applied as additional-properties (cli) or configOptions (pl
 |developerName|developer name in generated pom.xml| |OpenAPI-Generator Contributors|
 |developerOrganization|developer organization in generated pom.xml| |OpenAPITools.org|
 |developerOrganizationUrl|developer organization URL in generated pom.xml| |http://openapitools.org|
+|disableDiscriminatorJsonIgnoreProperties|Ignore discriminator field type for Jackson serialization| |false|
 |disableHtmlEscaping|Disable HTML escaping of JSON strings when using gson (needed to avoid problems with byte[] fields)| |false|
 |disallowAdditionalPropertiesIfNotPresent|If false, the 'additionalProperties' implementation (set to true by default) is compliant with the OAS and JSON schema specifications. If true (default), keep the old (incorrect) behaviour that 'additionalProperties' is set to false by default.|<dl><dt>**false**</dt><dd>The 'additionalProperties' implementation is compliant with the OAS and JSON schema specifications.</dd><dt>**true**</dt><dd>Keep the old (incorrect) behaviour that 'additionalProperties' is set to false by default.</dd></dl>|true|
 |discriminatorCaseSensitive|Whether the discriminator value lookup should be case-sensitive or not. This option only works for Java API client| |true|
--- a/docs/generators/java-msf4j.md
+++ b/docs/generators/java-msf4j.md
@@ -36,6 +36,7 @@ These options may be applied as additional-properties (cli) or configOptions (pl
 |developerName|developer name in generated pom.xml| |OpenAPI-Generator Contributors|
 |developerOrganization|developer organization in generated pom.xml| |OpenAPITools.org|
 |developerOrganizationUrl|developer organization URL in generated pom.xml| |http://openapitools.org|
+|disableDiscriminatorJsonIgnoreProperties|Ignore discriminator field type for Jackson serialization| |false|
 |disableHtmlEscaping|Disable HTML escaping of JSON strings when using gson (needed to avoid problems with byte[] fields)| |false|
 |disallowAdditionalPropertiesIfNotPresent|If false, the 'additionalProperties' implementation (set to true by default) is compliant with the OAS and JSON schema specifications. If true (default), keep the old (incorrect) behaviour that 'additionalProperties' is set to false by default.|<dl><dt>**false**</dt><dd>The 'additionalProperties' implementation is compliant with the OAS and JSON schema specifications.</dd><dt>**true**</dt><dd>Keep the old (incorrect) behaviour that 'additionalProperties' is set to false by default.</dd></dl>|true|
 |discriminatorCaseSensitive|Whether the discriminator value lookup should be case-sensitive or not. This option only works for Java API client| |true|
--- a/docs/generators/java-pkmst.md
+++ b/docs/generators/java-pkmst.md
@@ -37,6 +37,7 @@ These options may be applied as additional-properties (cli) or configOptions (pl
 |developerName|developer name in generated pom.xml| |OpenAPI-Generator Contributors|
 |developerOrganization|developer organization in generated pom.xml| |OpenAPITools.org|
 |developerOrganizationUrl|developer organization URL in generated pom.xml| |http://openapitools.org|
+|disableDiscriminatorJsonIgnoreProperties|Ignore discriminator field type for Jackson serialization| |false|
 |disableHtmlEscaping|Disable HTML escaping of JSON strings when using gson (needed to avoid problems with byte[] fields)| |false|
 |disallowAdditionalPropertiesIfNotPresent|If false, the 'additionalProperties' implementation (set to true by default) is compliant with the OAS and JSON schema specifications. If true (default), keep the old (incorrect) behaviour that 'additionalProperties' is set to false by default.|<dl><dt>**false**</dt><dd>The 'additionalProperties' implementation is compliant with the OAS and JSON schema specifications.</dd><dt>**true**</dt><dd>Keep the old (incorrect) behaviour that 'additionalProperties' is set to false by default.</dd></dl>|true|
 |discriminatorCaseSensitive|Whether the discriminator value lookup should be case-sensitive or not. This option only works for Java API client| |true|
--- a/docs/generators/java-play-framework.md
+++ b/docs/generators/java-play-framework.md
@@ -39,6 +39,7 @@ These options may be applied as additional-properties (cli) or configOptions (pl
 |developerName|developer name in generated pom.xml| |OpenAPI-Generator Contributors|
 |developerOrganization|developer organization in generated pom.xml| |OpenAPITools.org|
 |developerOrganizationUrl|developer organization URL in generated pom.xml| |http://openapitools.org|
+|disableDiscriminatorJsonIgnoreProperties|Ignore discriminator field type for Jackson serialization| |false|
 |disableHtmlEscaping|Disable HTML escaping of JSON strings when using gson (needed to avoid problems with byte[] fields)| |false|
 |disallowAdditionalPropertiesIfNotPresent|If false, the 'additionalProperties' implementation (set to true by default) is compliant with the OAS and JSON schema specifications. If true (default), keep the old (incorrect) behaviour that 'additionalProperties' is set to false by default.|<dl><dt>**false**</dt><dd>The 'additionalProperties' implementation is compliant with the OAS and JSON schema specifications.</dd><dt>**true**</dt><dd>Keep the old (incorrect) behaviour that 'additionalProperties' is set to false by default.</dd></dl>|true|
 |discriminatorCaseSensitive|Whether the discriminator value lookup should be case-sensitive or not. This option only works for Java API client| |true|
--- a/docs/generators/java-undertow-server.md
+++ b/docs/generators/java-undertow-server.md
@@ -36,6 +36,7 @@ These options may be applied as additional-properties (cli) or configOptions (pl
 |developerName|developer name in generated pom.xml| |OpenAPI-Generator Contributors|
 |developerOrganization|developer organization in generated pom.xml| |OpenAPITools.org|
 |developerOrganizationUrl|developer organization URL in generated pom.xml| |http://openapitools.org|
+|disableDiscriminatorJsonIgnoreProperties|Ignore discriminator field type for Jackson serialization| |false|
 |disableHtmlEscaping|Disable HTML escaping of JSON strings when using gson (needed to avoid problems with byte[] fields)| |false|
 |disallowAdditionalPropertiesIfNotPresent|If false, the 'additionalProperties' implementation (set to true by default) is compliant with the OAS and JSON schema specifications. If true (default), keep the old (incorrect) behaviour that 'additionalProperties' is set to false by default.|<dl><dt>**false**</dt><dd>The 'additionalProperties' implementation is compliant with the OAS and JSON schema specifications.</dd><dt>**true**</dt><dd>Keep the old (incorrect) behaviour that 'additionalProperties' is set to false by default.</dd></dl>|true|
 |discriminatorCaseSensitive|Whether the discriminator value lookup should be case-sensitive or not. This option only works for Java API client| |true|
--- a/docs/generators/java-vertx-web.md
+++ b/docs/generators/java-vertx-web.md
@@ -36,6 +36,7 @@ These options may be applied as additional-properties (cli) or configOptions (pl
 |developerName|developer name in generated pom.xml| |OpenAPI-Generator Contributors|
 |developerOrganization|developer organization in generated pom.xml| |OpenAPITools.org|
 |developerOrganizationUrl|developer organization URL in generated pom.xml| |http://openapitools.org|
+|disableDiscriminatorJsonIgnoreProperties|Ignore discriminator field type for Jackson serialization| |false|
 |disableHtmlEscaping|Disable HTML escaping of JSON strings when using gson (needed to avoid problems with byte[] fields)| |false|
 |disallowAdditionalPropertiesIfNotPresent|If false, the 'additionalProperties' implementation (set to true by default) is compliant with the OAS and JSON schema specifications. If true (default), keep the old (incorrect) behaviour that 'additionalProperties' is set to false by default.|<dl><dt>**false**</dt><dd>The 'additionalProperties' implementation is compliant with the OAS and JSON schema specifications.</dd><dt>**true**</dt><dd>Keep the old (incorrect) behaviour that 'additionalProperties' is set to false by default.</dd></dl>|true|
 |discriminatorCaseSensitive|Whether the discriminator value lookup should be case-sensitive or not. This option only works for Java API client| |true|
--- a/docs/generators/java-vertx.md
+++ b/docs/generators/java-vertx.md
@@ -36,6 +36,7 @@ These options may be applied as additional-properties (cli) or configOptions (pl
 |developerName|developer name in generated pom.xml| |OpenAPI-Generator Contributors|
 |developerOrganization|developer organization in generated pom.xml| |OpenAPITools.org|
 |developerOrganizationUrl|developer organization URL in generated pom.xml| |http://openapitools.org|
+|disableDiscriminatorJsonIgnoreProperties|Ignore discriminator field type for Jackson serialization| |false|
 |disableHtmlEscaping|Disable HTML escaping of JSON strings when using gson (needed to avoid problems with byte[] fields)| |false|
 |disallowAdditionalPropertiesIfNotPresent|If false, the 'additionalProperties' implementation (set to true by default) is compliant with the OAS and JSON schema specifications. If true (default), keep the old (incorrect) behaviour that 'additionalProperties' is set to false by default.|<dl><dt>**false**</dt><dd>The 'additionalProperties' implementation is compliant with the OAS and JSON schema specifications.</dd><dt>**true**</dt><dd>Keep the old (incorrect) behaviour that 'additionalProperties' is set to false by default.</dd></dl>|true|
 |discriminatorCaseSensitive|Whether the discriminator value lookup should be case-sensitive or not. This option only works for Java API client| |true|
--- a/docs/generators/java-wiremock.md
+++ b/docs/generators/java-wiremock.md
@@ -36,6 +36,7 @@ These options may be applied as additional-properties (cli) or configOptions (pl
 |developerName|developer name in generated pom.xml| |OpenAPI-Generator Contributors|
 |developerOrganization|developer organization in generated pom.xml| |OpenAPITools.org|
 |developerOrganizationUrl|developer organization URL in generated pom.xml| |http://openapitools.org|
+|disableDiscriminatorJsonIgnoreProperties|Ignore discriminator field type for Jackson serialization| |false|
 |disableHtmlEscaping|Disable HTML escaping of JSON strings when using gson (needed to avoid problems with byte[] fields)| |false|
 |disallowAdditionalPropertiesIfNotPresent|If false, the 'additionalProperties' implementation (set to true by default) is compliant with the OAS and JSON schema specifications. If true (default), keep the old (incorrect) behaviour that 'additionalProperties' is set to false by default.|<dl><dt>**false**</dt><dd>The 'additionalProperties' implementation is compliant with the OAS and JSON schema specifications.</dd><dt>**true**</dt><dd>Keep the old (incorrect) behaviour that 'additionalProperties' is set to false by default.</dd></dl>|true|
 |discriminatorCaseSensitive|Whether the discriminator value lookup should be case-sensitive or not. This option only works for Java API client| |true|
--- a/docs/generators/java.md
+++ b/docs/generators/java.md
@@ -41,6 +41,7 @@ These options may be applied as additional-properties (cli) or configOptions (pl
 |developerName|developer name in generated pom.xml| |OpenAPI-Generator Contributors|
 |developerOrganization|developer organization in generated pom.xml| |OpenAPITools.org|
 |developerOrganizationUrl|developer organization URL in generated pom.xml| |http://openapitools.org|
+|disableDiscriminatorJsonIgnoreProperties|Ignore discriminator field type for Jackson serialization| |false|
 |disableHtmlEscaping|Disable HTML escaping of JSON strings when using gson (needed to avoid problems with byte[] fields)| |false|
 |disallowAdditionalPropertiesIfNotPresent|If false, the 'additionalProperties' implementation (set to true by default) is compliant with the OAS and JSON schema specifications. If true (default), keep the old (incorrect) behaviour that 'additionalProperties' is set to false by default.|<dl><dt>**false**</dt><dd>The 'additionalProperties' implementation is compliant with the OAS and JSON schema specifications.</dd><dt>**true**</dt><dd>Keep the old (incorrect) behaviour that 'additionalProperties' is set to false by default.</dd></dl>|true|
 |discriminatorCaseSensitive|Whether the discriminator value lookup should be case-sensitive or not. This option only works for Java API client| |true|
--- a/docs/generators/jaxrs-cxf-cdi.md
+++ b/docs/generators/jaxrs-cxf-cdi.md
@@ -36,6 +36,7 @@ These options may be applied as additional-properties (cli) or configOptions (pl
 |developerName|developer name in generated pom.xml| |OpenAPI-Generator Contributors|
 |developerOrganization|developer organization in generated pom.xml| |OpenAPITools.org|
 |developerOrganizationUrl|developer organization URL in generated pom.xml| |http://openapitools.org|
+|disableDiscriminatorJsonIgnoreProperties|Ignore discriminator field type for Jackson serialization| |false|
 |disableHtmlEscaping|Disable HTML escaping of JSON strings when using gson (needed to avoid problems with byte[] fields)| |false|
 |disallowAdditionalPropertiesIfNotPresent|If false, the 'additionalProperties' implementation (set to true by default) is compliant with the OAS and JSON schema specifications. If true (default), keep the old (incorrect) behaviour that 'additionalProperties' is set to false by default.|<dl><dt>**false**</dt><dd>The 'additionalProperties' implementation is compliant with the OAS and JSON schema specifications.</dd><dt>**true**</dt><dd>Keep the old (incorrect) behaviour that 'additionalProperties' is set to false by default.</dd></dl>|true|
 |discriminatorCaseSensitive|Whether the discriminator value lookup should be case-sensitive or not. This option only works for Java API client| |true|
--- a/docs/generators/jaxrs-cxf-client.md
+++ b/docs/generators/jaxrs-cxf-client.md
@@ -37,6 +37,7 @@ These options may be applied as additional-properties (cli) or configOptions (pl
 |developerName|developer name in generated pom.xml| |OpenAPI-Generator Contributors|
 |developerOrganization|developer organization in generated pom.xml| |OpenAPITools.org|
 |developerOrganizationUrl|developer organization URL in generated pom.xml| |http://openapitools.org|
+|disableDiscriminatorJsonIgnoreProperties|Ignore discriminator field type for Jackson serialization| |false|
 |disableHtmlEscaping|Disable HTML escaping of JSON strings when using gson (needed to avoid problems with byte[] fields)| |false|
 |disallowAdditionalPropertiesIfNotPresent|If false, the 'additionalProperties' implementation (set to true by default) is compliant with the OAS and JSON schema specifications. If true (default), keep the old (incorrect) behaviour that 'additionalProperties' is set to false by default.|<dl><dt>**false**</dt><dd>The 'additionalProperties' implementation is compliant with the OAS and JSON schema specifications.</dd><dt>**true**</dt><dd>Keep the old (incorrect) behaviour that 'additionalProperties' is set to false by default.</dd></dl>|true|
 |discriminatorCaseSensitive|Whether the discriminator value lookup should be case-sensitive or not. This option only works for Java API client| |true|
--- a/docs/generators/jaxrs-cxf-extended.md
+++ b/docs/generators/jaxrs-cxf-extended.md
@@ -38,6 +38,7 @@ These options may be applied as additional-properties (cli) or configOptions (pl
 |developerName|developer name in generated pom.xml| |OpenAPI-Generator Contributors|
 |developerOrganization|developer organization in generated pom.xml| |OpenAPITools.org|
 |developerOrganizationUrl|developer organization URL in generated pom.xml| |http://openapitools.org|
+|disableDiscriminatorJsonIgnoreProperties|Ignore discriminator field type for Jackson serialization| |false|
 |disableHtmlEscaping|Disable HTML escaping of JSON strings when using gson (needed to avoid problems with byte[] fields)| |false|
 |disallowAdditionalPropertiesIfNotPresent|If false, the 'additionalProperties' implementation (set to true by default) is compliant with the OAS and JSON schema specifications. If true (default), keep the old (incorrect) behaviour that 'additionalProperties' is set to false by default.|<dl><dt>**false**</dt><dd>The 'additionalProperties' implementation is compliant with the OAS and JSON schema specifications.</dd><dt>**true**</dt><dd>Keep the old (incorrect) behaviour that 'additionalProperties' is set to false by default.</dd></dl>|true|
 |discriminatorCaseSensitive|Whether the discriminator value lookup should be case-sensitive or not. This option only works for Java API client| |true|
--- a/docs/generators/jaxrs-cxf.md
+++ b/docs/generators/jaxrs-cxf.md
@@ -38,6 +38,7 @@ These options may be applied as additional-properties (cli) or configOptions (pl
 |developerName|developer name in generated pom.xml| |OpenAPI-Generator Contributors|
 |developerOrganization|developer organization in generated pom.xml| |OpenAPITools.org|
 |developerOrganizationUrl|developer organization URL in generated pom.xml| |http://openapitools.org|
+|disableDiscriminatorJsonIgnoreProperties|Ignore discriminator field type for Jackson serialization| |false|
 |disableHtmlEscaping|Disable HTML escaping of JSON strings when using gson (needed to avoid problems with byte[] fields)| |false|
 |disallowAdditionalPropertiesIfNotPresent|If false, the 'additionalProperties' implementation (set to true by default) is compliant with the OAS and JSON schema specifications. If true (default), keep the old (incorrect) behaviour that 'additionalProperties' is set to false by default.|<dl><dt>**false**</dt><dd>The 'additionalProperties' implementation is compliant with the OAS and JSON schema specifications.</dd><dt>**true**</dt><dd>Keep the old (incorrect) behaviour that 'additionalProperties' is set to false by default.</dd></dl>|true|
 |discriminatorCaseSensitive|Whether the discriminator value lookup should be case-sensitive or not. This option only works for Java API client| |true|
--- a/docs/generators/jaxrs-jersey.md
+++ b/docs/generators/jaxrs-jersey.md
@@ -36,6 +36,7 @@ These options may be applied as additional-properties (cli) or configOptions (pl
 |developerName|developer name in generated pom.xml| |OpenAPI-Generator Contributors|
 |developerOrganization|developer organization in generated pom.xml| |OpenAPITools.org|
 |developerOrganizationUrl|developer organization URL in generated pom.xml| |http://openapitools.org|
+|disableDiscriminatorJsonIgnoreProperties|Ignore discriminator field type for Jackson serialization| |false|
 |disableHtmlEscaping|Disable HTML escaping of JSON strings when using gson (needed to avoid problems with byte[] fields)| |false|
 |disallowAdditionalPropertiesIfNotPresent|If false, the 'additionalProperties' implementation (set to true by default) is compliant with the OAS and JSON schema specifications. If true (default), keep the old (incorrect) behaviour that 'additionalProperties' is set to false by default.|<dl><dt>**false**</dt><dd>The 'additionalProperties' implementation is compliant with the OAS and JSON schema specifications.</dd><dt>**true**</dt><dd>Keep the old (incorrect) behaviour that 'additionalProperties' is set to false by default.</dd></dl>|true|
 |discriminatorCaseSensitive|Whether the discriminator value lookup should be case-sensitive or not. This option only works for Java API client| |true|
--- a/docs/generators/jaxrs-resteasy-eap.md
+++ b/docs/generators/jaxrs-resteasy-eap.md
@@ -36,6 +36,7 @@ These options may be applied as additional-properties (cli) or configOptions (pl
 |developerName|developer name in generated pom.xml| |OpenAPI-Generator Contributors|
 |developerOrganization|developer organization in generated pom.xml| |OpenAPITools.org|
 |developerOrganizationUrl|developer organization URL in generated pom.xml| |http://openapitools.org|
+|disableDiscriminatorJsonIgnoreProperties|Ignore discriminator field type for Jackson serialization| |false|
 |disableHtmlEscaping|Disable HTML escaping of JSON strings when using gson (needed to avoid problems with byte[] fields)| |false|
 |disallowAdditionalPropertiesIfNotPresent|If false, the 'additionalProperties' implementation (set to true by default) is compliant with the OAS and JSON schema specifications. If true (default), keep the old (incorrect) behaviour that 'additionalProperties' is set to false by default.|<dl><dt>**false**</dt><dd>The 'additionalProperties' implementation is compliant with the OAS and JSON schema specifications.</dd><dt>**true**</dt><dd>Keep the old (incorrect) behaviour that 'additionalProperties' is set to false by default.</dd></dl>|true|
 |discriminatorCaseSensitive|Whether the discriminator value lookup should be case-sensitive or not. This option only works for Java API client| |true|
--- a/docs/generators/jaxrs-resteasy.md
+++ b/docs/generators/jaxrs-resteasy.md
@@ -36,6 +36,7 @@ These options may be applied as additional-properties (cli) or configOptions (pl
 |developerName|developer name in generated pom.xml| |OpenAPI-Generator Contributors|
 |developerOrganization|developer organization in generated pom.xml| |OpenAPITools.org|
 |developerOrganizationUrl|developer organization URL in generated pom.xml| |http://openapitools.org|
+|disableDiscriminatorJsonIgnoreProperties|Ignore discriminator field type for Jackson serialization| |false|
 |disableHtmlEscaping|Disable HTML escaping of JSON strings when using gson (needed to avoid problems with byte[] fields)| |false|
 |disallowAdditionalPropertiesIfNotPresent|If false, the 'additionalProperties' implementation (set to true by default) is compliant with the OAS and JSON schema specifications. If true (default), keep the old (incorrect) behaviour that 'additionalProperties' is set to false by default.|<dl><dt>**false**</dt><dd>The 'additionalProperties' implementation is compliant with the OAS and JSON schema specifications.</dd><dt>**true**</dt><dd>Keep the old (incorrect) behaviour that 'additionalProperties' is set to false by default.</dd></dl>|true|
 |discriminatorCaseSensitive|Whether the discriminator value lookup should be case-sensitive or not. This option only works for Java API client| |true|
--- a/docs/generators/jaxrs-spec.md
+++ b/docs/generators/jaxrs-spec.md
@@ -36,6 +36,7 @@ These options may be applied as additional-properties (cli) or configOptions (pl
 |developerName|developer name in generated pom.xml| |OpenAPI-Generator Contributors|
 |developerOrganization|developer organization in generated pom.xml| |OpenAPITools.org|
 |developerOrganizationUrl|developer organization URL in generated pom.xml| |http://openapitools.org|
+|disableDiscriminatorJsonIgnoreProperties|Ignore discriminator field type for Jackson serialization| |false|
 |disableHtmlEscaping|Disable HTML escaping of JSON strings when using gson (needed to avoid problems with byte[] fields)| |false|
 |disallowAdditionalPropertiesIfNotPresent|If false, the 'additionalProperties' implementation (set to true by default) is compliant with the OAS and JSON schema specifications. If true (default), keep the old (incorrect) behaviour that 'additionalProperties' is set to false by default.|<dl><dt>**false**</dt><dd>The 'additionalProperties' implementation is compliant with the OAS and JSON schema specifications.</dd><dt>**true**</dt><dd>Keep the old (incorrect) behaviour that 'additionalProperties' is set to false by default.</dd></dl>|true|
 |discriminatorCaseSensitive|Whether the discriminator value lookup should be case-sensitive or not. This option only works for Java API client| |true|
--- a/docs/generators/spring.md
+++ b/docs/generators/spring.md
@@ -42,6 +42,7 @@ These options may be applied as additional-properties (cli) or configOptions (pl
 |developerName|developer name in generated pom.xml| |OpenAPI-Generator Contributors|
 |developerOrganization|developer organization in generated pom.xml| |OpenAPITools.org|
 |developerOrganizationUrl|developer organization URL in generated pom.xml| |http://openapitools.org|
+|disableDiscriminatorJsonIgnoreProperties|Ignore discriminator field type for Jackson serialization| |false|
 |disableHtmlEscaping|Disable HTML escaping of JSON strings when using gson (needed to avoid problems with byte[] fields)| |false|
 |disallowAdditionalPropertiesIfNotPresent|If false, the 'additionalProperties' implementation (set to true by default) is compliant with the OAS and JSON schema specifications. If true (default), keep the old (incorrect) behaviour that 'additionalProperties' is set to false by default.|<dl><dt>**false**</dt><dd>The 'additionalProperties' implementation is compliant with the OAS and JSON schema specifications.</dd><dt>**true**</dt><dd>Keep the old (incorrect) behaviour that 'additionalProperties' is set to false by default.</dd></dl>|true|
 |discriminatorCaseSensitive|Whether the discriminator value lookup should be case-sensitive or not. This option only works for Java API client| |true|
--- a/modules/openapi-generator-cli/pom.xml
+++ b/modules/openapi-generator-cli/pom.xml
@@ -4,7 +4,7 @@
        <groupId>org.openapitools</groupId>
        <artifactId>openapi-generator-project</artifactId>
        <!-- RELEASE_VERSION -->
-        <version>7.19.0-SNAPSHOT</version>
+        <version>7.19.0</version>
        <!-- /RELEASE_VERSION -->
        <relativePath>../../pom.xml</relativePath>
    </parent>
--- a/modules/openapi-generator-core/pom.xml
+++ b/modules/openapi-generator-core/pom.xml
@@ -6,7 +6,7 @@
    <artifactId>openapi-generator-project</artifactId>
    <groupId>org.openapitools</groupId>
    <!-- RELEASE_VERSION -->
-    <version>7.19.0-SNAPSHOT</version>
+    <version>7.19.0</version>
    <!-- /RELEASE_VERSION -->
    <relativePath>../../pom.xml</relativePath>
  </parent>
--- a/modules/openapi-generator-gradle-plugin/gradle.properties
+++ b/modules/openapi-generator-gradle-plugin/gradle.properties
@@ -1,5 +1,5 @@
 # RELEASE_VERSION
-openApiGeneratorVersion=7.19.0-SNAPSHOT
+openApiGeneratorVersion=7.19.0
 # /RELEASE_VERSION

 # BEGIN placeholders
--- a/modules/openapi-generator-gradle-plugin/pom.xml
+++ b/modules/openapi-generator-gradle-plugin/pom.xml
@@ -4,7 +4,7 @@
        <groupId>org.openapitools</groupId>
        <artifactId>openapi-generator-project</artifactId>
        <!-- RELEASE_VERSION -->
-        <version>7.19.0-SNAPSHOT</version>
+        <version>7.19.0</version>
        <!-- /RELEASE_VERSION -->
        <relativePath>../../pom.xml</relativePath>
    </parent>
--- a/modules/openapi-generator-gradle-plugin/samples/local-spec/gradle.properties
+++ b/modules/openapi-generator-gradle-plugin/samples/local-spec/gradle.properties
@@ -1,3 +1,3 @@
 # RELEASE_VERSION
-openApiGeneratorVersion=7.19.0-SNAPSHOT
+openApiGeneratorVersion=7.19.0
 # /RELEASE_VERSION
--- a/modules/openapi-generator-maven-plugin/examples/java-client.xml
+++ b/modules/openapi-generator-maven-plugin/examples/java-client.xml
@@ -13,7 +13,7 @@
                <groupId>org.openapitools</groupId>
                <artifactId>openapi-generator-maven-plugin</artifactId>
                <!-- RELEASE_VERSION -->
-                <version>7.19.0-SNAPSHOT</version>
+                <version>7.19.0</version>
                <!-- /RELEASE_VERSION -->
                <executions>
                    <execution>
--- a/modules/openapi-generator-maven-plugin/examples/kotlin.xml
+++ b/modules/openapi-generator-maven-plugin/examples/kotlin.xml
@@ -15,7 +15,7 @@
 				<groupId>org.openapitools</groupId>
 				<artifactId>openapi-generator-maven-plugin</artifactId>
 				<!-- RELEASE_VERSION -->
-				<version>7.19.0-SNAPSHOT</version>
+				<version>7.19.0</version>
 				<!-- /RELEASE_VERSION -->
 				<executions>
 					<execution>
--- a/modules/openapi-generator-maven-plugin/examples/multi-module/java-client/pom.xml
+++ b/modules/openapi-generator-maven-plugin/examples/multi-module/java-client/pom.xml
@@ -19,7 +19,7 @@
                <groupId>org.openapitools</groupId>
                <artifactId>openapi-generator-maven-plugin</artifactId>
                <!-- RELEASE_VERSION -->
-                <version>7.19.0-SNAPSHOT</version>
+                <version>7.19.0</version>
                <!-- /RELEASE_VERSION -->
                <dependencies>
                    <dependency>
--- a/modules/openapi-generator-maven-plugin/examples/non-java-invalid-spec.xml
+++ b/modules/openapi-generator-maven-plugin/examples/non-java-invalid-spec.xml
@@ -13,7 +13,7 @@
                <groupId>org.openapitools</groupId>
                <artifactId>openapi-generator-maven-plugin</artifactId>
                <!-- RELEASE_VERSION -->
-                <version>7.19.0-SNAPSHOT</version>
+                <version>7.19.0</version>
                <!-- /RELEASE_VERSION -->
                <executions>
                    <execution>
--- a/modules/openapi-generator-maven-plugin/examples/non-java.xml
+++ b/modules/openapi-generator-maven-plugin/examples/non-java.xml
@@ -13,7 +13,7 @@
                <groupId>org.openapitools</groupId>
                <artifactId>openapi-generator-maven-plugin</artifactId>
                <!-- RELEASE_VERSION -->
-                <version>7.19.0-SNAPSHOT</version>
+                <version>7.19.0</version>
                <!-- /RELEASE_VERSION -->
                <executions>
                    <execution>
--- a/modules/openapi-generator-maven-plugin/examples/spring.xml
+++ b/modules/openapi-generator-maven-plugin/examples/spring.xml
@@ -20,7 +20,7 @@
                <groupId>org.openapitools</groupId>
                <artifactId>openapi-generator-maven-plugin</artifactId>
                <!-- RELEASE_VERSION -->
-                <version>7.19.0-SNAPSHOT</version>
+                <version>7.19.0</version>
                <!-- /RELEASE_VERSION -->
                <executions>
                    <execution>
--- a/modules/openapi-generator-maven-plugin/pom.xml
+++ b/modules/openapi-generator-maven-plugin/pom.xml
@@ -5,7 +5,7 @@
        <groupId>org.openapitools</groupId>
        <artifactId>openapi-generator-project</artifactId>
        <!-- RELEASE_VERSION -->
-        <version>7.19.0-SNAPSHOT</version>
+        <version>7.19.0</version>
        <!-- /RELEASE_VERSION -->
        <relativePath>../../pom.xml</relativePath>
    </parent>
--- a/modules/openapi-generator-mill-plugin/example/mill-build/version.properties
+++ b/modules/openapi-generator-mill-plugin/example/mill-build/version.properties
@@ -1,3 +1,3 @@
 # RELEASE_VERSION
-openApiGeneratorVersion=7.19.0-SNAPSHOT
-# /RELEASE_VERSION
+openApiGeneratorVersion=7.19.0
+# /RELEASE_VERSION
--- a/modules/openapi-generator-mill-plugin/pom.xml
+++ b/modules/openapi-generator-mill-plugin/pom.xml
@@ -4,7 +4,7 @@
        <groupId>org.openapitools</groupId>
        <artifactId>openapi-generator-project</artifactId>
        <!-- RELEASE_VERSION -->
-        <version>7.19.0-SNAPSHOT</version>
+        <version>7.19.0</version>
        <!-- /RELEASE_VERSION -->
        <relativePath>../../pom.xml</relativePath>
    </parent>
--- a/modules/openapi-generator-online/pom.xml
+++ b/modules/openapi-generator-online/pom.xml
@@ -4,7 +4,7 @@
        <groupId>org.openapitools</groupId>
        <artifactId>openapi-generator-project</artifactId>
        <!-- RELEASE_VERSION -->
-        <version>7.19.0-SNAPSHOT</version>
+        <version>7.19.0</version>
        <!-- /RELEASE_VERSION -->
        <relativePath>../../pom.xml</relativePath>
    </parent>
--- a/modules/openapi-generator/pom.xml
+++ b/modules/openapi-generator/pom.xml
@@ -4,7 +4,7 @@
        <groupId>org.openapitools</groupId>
        <artifactId>openapi-generator-project</artifactId>
        <!-- RELEASE_VERSION -->
-        <version>7.19.0-SNAPSHOT</version>
+        <version>7.19.0</version>
        <!-- /RELEASE_VERSION -->
        <relativePath>../../pom.xml</relativePath>
    </parent>
--- a/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/AbstractJavaCodegen.java
+++ b/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/AbstractJavaCodegen.java
@@ -22,7 +22,6 @@ import com.fasterxml.jackson.databind.ObjectMapper;
 import com.fasterxml.jackson.databind.node.ArrayNode;
 import com.fasterxml.jackson.databind.node.ObjectNode;
 import com.google.common.base.Strings;
-import com.google.common.collect.ImmutableMap;
 import com.google.common.collect.Sets;
 import com.samskivert.mustache.Mustache;
 import io.swagger.v3.oas.models.OpenAPI;
@@ -51,7 +50,6 @@ import org.openapitools.codegen.model.ModelMap;
 import org.openapitools.codegen.model.ModelsMap;
 import org.openapitools.codegen.model.OperationMap;
 import org.openapitools.codegen.model.OperationsMap;
-import org.openapitools.codegen.templating.mustache.ReplaceAllLambda;
 import org.openapitools.codegen.utils.CamelizeOption;
 import org.openapitools.codegen.utils.ModelUtils;
 import org.slf4j.Logger;
@@ -103,6 +101,7 @@ public abstract class AbstractJavaCodegen extends DefaultCodegen implements Code
    public static final String JAVAX_PACKAGE = "javaxPackage";
    public static final String USE_JAKARTA_EE = "useJakartaEe";
    public static final String CONTAINER_DEFAULT_TO_NULL = "containerDefaultToNull";
+    public static final String DISABLE_DISCRIMINATOR_JSON_IGNORE_PROPERTIES = "disableDiscriminatorJsonIgnoreProperties";

    public static final String CAMEL_CASE_DOLLAR_SIGN = "camelCaseDollarSign";
    public static final String USE_ONE_OF_INTERFACES = "useOneOfInterfaces";
@@ -199,6 +198,8 @@ public abstract class AbstractJavaCodegen extends DefaultCodegen implements Code
    protected boolean jackson = false;
    @Getter @Setter
    protected boolean generateBuilders;
+    @Getter @Setter
+    protected boolean disableDiscriminatorJsonIgnoreProperties = false;
    /**
     * useBeanValidation has been moved from child generators to AbstractJavaCodegen.
     * The reason is that getBeanValidation needs it
@@ -346,6 +347,7 @@ public abstract class AbstractJavaCodegen extends DefaultCodegen implements Code
        cliOptions.add(CliOption.newBoolean(CONTAINER_DEFAULT_TO_NULL, "Set containers (array, set, map) default to null"));
        cliOptions.add(CliOption.newBoolean(GENERATE_CONSTRUCTOR_WITH_ALL_ARGS, "whether to generate a constructor for all arguments").defaultValue(Boolean.FALSE.toString()));
        cliOptions.add(CliOption.newBoolean(GENERATE_BUILDERS, "Whether to generate builders for models").defaultValue(Boolean.FALSE.toString()));
+        cliOptions.add(CliOption.newBoolean(DISABLE_DISCRIMINATOR_JSON_IGNORE_PROPERTIES, "Ignore discriminator field type for Jackson serialization", disableDiscriminatorJsonIgnoreProperties));

        cliOptions.add(CliOption.newString(CodegenConstants.PARENT_GROUP_ID, CodegenConstants.PARENT_GROUP_ID_DESC));
        cliOptions.add(CliOption.newString(CodegenConstants.PARENT_ARTIFACT_ID, CodegenConstants.PARENT_ARTIFACT_ID_DESC));
@@ -425,6 +427,7 @@ public abstract class AbstractJavaCodegen extends DefaultCodegen implements Code

        convertPropertyToBooleanAndWriteBack(GENERATE_CONSTRUCTOR_WITH_ALL_ARGS, this::setGenerateConstructorWithAllArgs);
        convertPropertyToBooleanAndWriteBack(GENERATE_BUILDERS, this::setGenerateBuilders);
+        convertPropertyToBooleanAndWriteBack(DISABLE_DISCRIMINATOR_JSON_IGNORE_PROPERTIES, this::setDisableDiscriminatorJsonIgnoreProperties);
        if (StringUtils.isEmpty(System.getenv("JAVA_POST_PROCESS_FILE"))) {
            LOGGER.info("Environment variable JAVA_POST_PROCESS_FILE not defined so the Java code may not be properly formatted. To define it, try 'export JAVA_POST_PROCESS_FILE=\"/usr/local/bin/clang-format -i\"' (Linux/Mac)");
            LOGGER.info("NOTE: To enable file post-processing, 'enablePostProcessFile' must be set to `true` (--enable-post-process-file for CLI).");
--- a/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/JavaClientCodegen.java
+++ b/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/JavaClientCodegen.java
@@ -152,6 +152,7 @@ public class JavaClientCodegen extends AbstractJavaCodegen
    @Setter protected boolean supportVertxFuture = false;
    @Setter protected boolean useSealedOneOfInterfaces = false;
    @Setter protected boolean useUnaryInterceptor = false;
+
    protected String authFolder;
    /**
     * Serialization library.
--- a/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/ProtobufSchemaCodegen.java
+++ b/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/ProtobufSchemaCodegen.java
@@ -442,7 +442,19 @@ public class ProtobufSchemaCodegen extends DefaultCodegen implements CodegenConf
            List<Schema> oneOfs = schema.getOneOf();
            List<Schema> newOneOfs = new ArrayList<>();
            for (Schema oneOf : oneOfs) {
-                Schema oneOfSchema = ModelUtils.getReferencedSchema(openAPI, oneOf);
+                Schema oneOfSchema = oneOf;
+                if (ModelUtils.isAllOf(oneOf) && oneOf.getAllOf() != null && oneOf.getAllOf().size() == 1) {
+                    Object allOfObj = oneOf.getAllOf().get(0);
+                    if (allOfObj instanceof Schema) {
+                        Schema allOfItem = (Schema) allOfObj;
+                        if (StringUtils.isNotEmpty(allOfItem.get$ref())) {
+                            oneOfSchema = ModelUtils.getReferencedSchema(openAPI, allOfItem);
+                        }
+                    }
+                } else {
+                    oneOfSchema = ModelUtils.getReferencedSchema(openAPI, oneOf);
+                }
+
                if (ModelUtils.isArraySchema(oneOfSchema)) {
                    Schema innerSchema = generateNestedSchema(oneOfSchema, visitedSchemas);
                    innerSchema.setTitle(oneOf.getTitle());
--- a/modules/openapi-generator/src/main/resources/Java/libraries/native/ApiClient.mustache
+++ b/modules/openapi-generator/src/main/resources/Java/libraries/native/ApiClient.mustache
@@ -489,7 +489,7 @@ public class ApiClient {
    if (encoding.isPresent()) {
      for (String token : encoding.get().split(",")) {
        if ("gzip".equalsIgnoreCase(token.trim())) {
-          return new GZIPInputStream(body);
+          return new GZIPInputStream(body, 8192);
        }
      }
    }
@@ -531,9 +531,9 @@ public class ApiClient {
    }

    private boolean fillBuffer() throws IOException {
-      ensureInitialized();
      while (chunkPosition >= currentChunk.length) {
        buffer.reset();
+        ensureInitialized();
        if (finished) {
          return false;
        }
@@ -570,6 +570,9 @@ public class ApiClient {

    @Override
    public int read(byte[] b, int off, int len) throws IOException {
+      if (len == 0) {
+        return 0;
+      }
      if (!fillBuffer()) {
        return -1;
      }
--- a/modules/openapi-generator/src/main/resources/Java/typeInfoAnnotation.mustache
+++ b/modules/openapi-generator/src/main/resources/Java/typeInfoAnnotation.mustache
@@ -1,9 +1,10 @@
 {{#jackson}}

+{{^disableDiscriminatorJsonIgnoreProperties}}
@JsonIgnoreProperties(
  value = "{{{discriminator.propertyBaseName}}}", // ignore manually set {{{discriminator.propertyBaseName}}}, it will be automatically generated by Jackson during serialization
  allowSetters = true // allows the {{{discriminator.propertyBaseName}}} to be set during deserialization
-)
+){{/disableDiscriminatorJsonIgnoreProperties}}
@JsonTypeInfo(use = JsonTypeInfo.Id.NAME, include = JsonTypeInfo.As.PROPERTY, property = "{{{discriminator.propertyBaseName}}}", visible = true)
 {{#discriminator.mappedModels}}
 {{#-first}}
--- a/modules/openapi-generator/src/main/resources/kotlin-vertx-server/pom.mustache
+++ b/modules/openapi-generator/src/main/resources/kotlin-vertx-server/pom.mustache
@@ -21,7 +21,7 @@
        <jakarta-annotation-version>1.3.5</jakarta-annotation-version>
        {{/useJakartaEe}}
        <junit.version>4.13.2</junit.version>
-        <vertx.version>4.5.22</vertx.version>
+        <vertx.version>4.5.24</vertx.version>
        <maven-compiler-plugin.version>3.10.0</maven-compiler-plugin.version>
        <vertx-openapi-router.version>1.0.2</vertx-openapi-router.version>
        <maven-shade-plugin.version>3.2.4</maven-shade-plugin.version>
--- a/modules/openapi-generator/src/test/java/org/openapitools/codegen/java/AbstractJavaCodegenTest.java
+++ b/modules/openapi-generator/src/test/java/org/openapitools/codegen/java/AbstractJavaCodegenTest.java
@@ -46,6 +46,7 @@ import java.util.*;
 import java.util.stream.Collectors;

 import static org.assertj.core.api.Assertions.assertThat;
+import static org.openapitools.codegen.languages.AbstractJavaCodegen.DISABLE_DISCRIMINATOR_JSON_IGNORE_PROPERTIES;

 public class AbstractJavaCodegenTest {

@@ -968,6 +969,15 @@ public class AbstractJavaCodegenTest {
        Assert.assertEquals(defaultValue, "List<@Max(10)Integer>");
    }

+    @Test
+    public void disableDiscriminatorJsonIgnorePropertiesFlagTest() {
+        codegen.additionalProperties().put(DISABLE_DISCRIMINATOR_JSON_IGNORE_PROPERTIES, true);
+
+        codegen.preprocessOpenAPI(FLATTENED_SPEC.get("3_0/petstore"));
+
+        Assert.assertTrue((boolean) codegen.additionalProperties().get(DISABLE_DISCRIMINATOR_JSON_IGNORE_PROPERTIES));
+    }
+
    @Test
    public void removeAnnotationsTest() {
        Assert.assertEquals(codegen.removeAnnotations("@Min(0) @Max(10)Integer"), "Integer");
--- a/modules/openapi-generator/src/test/java/org/openapitools/codegen/java/JavaClientCodegenTest.java
+++ b/modules/openapi-generator/src/test/java/org/openapitools/codegen/java/JavaClientCodegenTest.java
@@ -3241,7 +3241,7 @@ public class JavaClientCodegenTest {
                .setOutputDir(output.toString().replace("\\", "/"));

        final Map<String, File> files = new DefaultGenerator().opts(configurator.toClientOptInput()).generate()
-                .stream().collect(Collectors.toMap(File::getName, Function.identity()));;
+                .stream().collect(Collectors.toMap(File::getName, Function.identity()));

        final JavaFileAssert apiClient = JavaFileAssert.assertThat(files.get("ApiClient.java"))
                .printFileContent();
@@ -3553,23 +3553,23 @@ public class JavaClientCodegenTest {
        output.deleteOnExit();

        final CodegenConfigurator configurator = new CodegenConfigurator()
-            .setGeneratorName(JAVA_GENERATOR)
-            .setLibrary(JavaClientCodegen.NATIVE)
-            .setAdditionalProperties(properties)
-            .setInputSpec("src/test/resources/3_0/java/native/issue21991.yaml")
-            .setOutputDir(output.getAbsolutePath().replace("\\", "/"));
+                .setGeneratorName(JAVA_GENERATOR)
+                .setLibrary(JavaClientCodegen.NATIVE)
+                .setAdditionalProperties(properties)
+                .setInputSpec("src/test/resources/3_0/java/native/issue21991.yaml")
+                .setOutputDir(output.getAbsolutePath().replace("\\", "/"));

        final ClientOptInput clientOptInput = configurator.toClientOptInput();
        DefaultGenerator generator = new DefaultGenerator();

        Map<String, File> files = generator.opts(clientOptInput).generate().stream()
-            .collect(Collectors.toMap(File::getName, Function.identity()));
+                .collect(Collectors.toMap(File::getName, Function.identity()));

        File apiFile = files.get("Schema.java");
        assertNotNull(apiFile);

        JavaFileAssert.assertThat(apiFile).fileDoesNotContain(
-            "import io.swagger.v3.oas.annotations.media.Schema;"
+                "import io.swagger.v3.oas.annotations.media.Schema;"
        );
    }

@@ -3582,23 +3582,23 @@ public class JavaClientCodegenTest {
        output.deleteOnExit();

        final CodegenConfigurator configurator = new CodegenConfigurator()
-            .setGeneratorName(JAVA_GENERATOR)
-            .setLibrary(JavaClientCodegen.NATIVE)
-            .setAdditionalProperties(properties)
-            .setInputSpec("src/test/resources/3_0/java/native/issue21991.yaml")
-            .setOutputDir(output.getAbsolutePath().replace("\\", "/"));
+                .setGeneratorName(JAVA_GENERATOR)
+                .setLibrary(JavaClientCodegen.NATIVE)
+                .setAdditionalProperties(properties)
+                .setInputSpec("src/test/resources/3_0/java/native/issue21991.yaml")
+                .setOutputDir(output.getAbsolutePath().replace("\\", "/"));

        final ClientOptInput clientOptInput = configurator.toClientOptInput();
        DefaultGenerator generator = new DefaultGenerator();

        Map<String, File> files = generator.opts(clientOptInput).generate().stream()
-            .collect(Collectors.toMap(File::getName, Function.identity()));
+                .collect(Collectors.toMap(File::getName, Function.identity()));

        File apiFile = files.get("Schema.java");
        assertNotNull(apiFile);

        JavaFileAssert.assertThat(apiFile).fileContains(
-            "import io.swagger.v3.oas.annotations.media.Schema;"
+                "import io.swagger.v3.oas.annotations.media.Schema;"
        );
    }

@@ -3753,7 +3753,7 @@ public class JavaClientCodegenTest {

        JavaFileAssert.assertThat(oneOfFile).fileContains(
                "final TypeAdapter<some.pkg.A> adaptersomepkgA = gson.getDelegateAdapter(this, TypeToken.get(some.pkg.A.class));",
-                        "final TypeAdapter<some.pkg.B> adaptersomepkgB = gson.getDelegateAdapter(this, TypeToken.get(some.pkg.B.class));",
+                "final TypeAdapter<some.pkg.B> adaptersomepkgB = gson.getDelegateAdapter(this, TypeToken.get(some.pkg.B.class));",
                "public some.pkg.A getsomepkgA() throws ClassCastException {",
                "public some.pkg.B getsomepkgB() throws ClassCastException {"
        );
@@ -3803,10 +3803,11 @@ public class JavaClientCodegenTest {
        //chain method calls for object initialization
        class MethodCallVisitor extends VoidVisitorAdapter<Void> {
            Map<String, Expression> expressionMap = new HashMap<>();
+
            @Override
            public void visit(MethodCallExpr n, Void arg) {
                expressionMap.put(n.getNameAsString(), n.getArgument(0));
-                if(n.getScope().isPresent()) {
+                if (n.getScope().isPresent()) {
                    n.getScope().get().accept(this, arg);
                }
            }
@@ -3993,7 +3994,7 @@ public class JavaClientCodegenTest {
        assertFileContains(
                output.resolve("src/main/java/org/openapitools/client/api/QueryApi.java"),
                "queryParams.putAll(apiClient.parameterToMultiValueMapJson(ApiClient.CollectionFormat" +
-                ".valueOf(\"csv\".toUpperCase(Locale.ROOT)), \"json_serialized_object_array_ref_string_query\", jsonSerializedObjectArrayRefStringQuery));"
+                        ".valueOf(\"csv\".toUpperCase(Locale.ROOT)), \"json_serialized_object_array_ref_string_query\", jsonSerializedObjectArrayRefStringQuery));"
        );
    }

@@ -4064,6 +4065,22 @@ public class JavaClientCodegenTest {
                .assertTypeAnnotations().containsWithName("SuppressWarnings");
    }

+    @Test
+    public void disableDiscriminatorJsonIgnorePropertiesIsTrueThenJsonIgnorePropertiesShouldBeNotAdded() {
+        final Map<String, File> files = generateFromContract("src/test/resources/3_0/java/issue12777.yaml", RESTCLIENT,
+                Map.of(DISABLE_DISCRIMINATOR_JSON_IGNORE_PROPERTIES, "true"));
+        JavaFileAssert.assertThat(files.get("BaseConfiguration.java"))
+                .assertTypeAnnotations().doesNotContainWithName("JsonIgnoreProperties");
+    }
+
+    @Test
+    public void disableDiscriminatorJsonIgnorePropertiesIsTrueThenJsonIgnorePropertiesShouldBeAdded() {
+        final Map<String, File> files = generateFromContract("src/test/resources/3_0/java/issue12777.yaml", RESTCLIENT,
+                Map.of(DISABLE_DISCRIMINATOR_JSON_IGNORE_PROPERTIES, "false"));
+        JavaFileAssert.assertThat(files.get("BaseConfiguration.java"))
+                .assertTypeAnnotations().containsWithName("JsonIgnoreProperties");
+    }
+
    @Test
    public void testOneOfInterfaceWithEnumDiscriminatorHavingCustomDescription3_1() {
        final Map<String, File> files = generateFromContract("src/test/resources/3_1/oneof_polymorphism_and_inheritance.yaml", WEBCLIENT,
@@ -4072,4 +4089,5 @@ public class JavaClientCodegenTest {
                .isInterface()
                .fileContains("public FruitType getFruitType()");
    }
+
 }
--- a/modules/openapi-generator/src/test/java/org/openapitools/codegen/protobuf/ProtobufSchemaCodegenTest.java
+++ b/modules/openapi-generator/src/test/java/org/openapitools/codegen/protobuf/ProtobufSchemaCodegenTest.java
@@ -18,8 +18,10 @@ package org.openapitools.codegen.protobuf;

 import io.swagger.v3.oas.models.OpenAPI;
 import io.swagger.v3.oas.models.media.ArraySchema;
+import io.swagger.v3.oas.models.media.BooleanSchema;
 import io.swagger.v3.oas.models.media.IntegerSchema;
 import io.swagger.v3.oas.models.media.MapSchema;
+import io.swagger.v3.oas.models.media.NumberSchema;
 import io.swagger.v3.oas.models.media.ObjectSchema;
 import io.swagger.v3.oas.models.media.Schema;
 import io.swagger.v3.oas.models.media.StringSchema;
@@ -45,6 +47,7 @@ import java.util.Arrays;
 import java.util.List;
 import java.util.Map;

+
 import static org.openapitools.codegen.TestUtils.createCodegenModelWrapper;
 import static org.openapitools.codegen.languages.ProtobufSchemaCodegen.USE_SIMPLIFIED_ENUM_NAMES;
 import static org.testng.Assert.assertEquals;
@@ -142,6 +145,64 @@ public class ProtobufSchemaCodegenTest {
        output.deleteOnExit();
    }

+    @Test
+    public void testCodeGenWithOneOfDiscriminator31() throws IOException {
+        System.setProperty("line.separator", "\n");
+
+        File output = Files.createTempDirectory("test").toFile();
+
+        final CodegenConfigurator configurator = new CodegenConfigurator()
+                .setGeneratorName("protobuf-schema")
+                .setInputSpec("src/test/resources/3_1/oneOf.yaml")
+                .setOutputDir(output.getAbsolutePath().replace("\\", "/"));
+
+        final ClientOptInput clientOptInput = configurator.toClientOptInput();
+        DefaultGenerator generator = new DefaultGenerator();
+        List<File> files = generator.opts(clientOptInput).generate();
+
+        TestUtils.ensureContainsFile(files, output, "models/fruit.proto");
+
+        // Get the processed OpenAPI with wrapper schemas
+        OpenAPI openAPI = clientOptInput.getOpenAPI();
+        ProtobufSchemaCodegen codegen = new ProtobufSchemaCodegen();
+        codegen.setOpenAPI(openAPI);
+        codegen.processOpts();
+
+        Schema fruitSchema = openAPI.getComponents().getSchemas().get("fruit");
+        Assert.assertNotNull(fruitSchema, "fruit schema should exist");
+
+        CodegenModel fruitModel = codegen.fromModel("fruit", fruitSchema);
+        codegen.postProcessModels(createCodegenModelWrapper(fruitModel));
+
+        Assert.assertNotNull(fruitModel.oneOf, "fruit model should have oneOf items");
+        Assert.assertTrue(fruitModel.oneOf.size() >= 2, "fruit model should have at least 2 oneOf items");
+
+        Assert.assertNotNull(fruitModel.vars, "fruit model should have vars");
+        Assert.assertTrue(fruitModel.vars.size() > 0, "fruit model should have at least one var");
+
+        Assert.assertEquals(fruitModel.vars.size(), 3, "fruit model should have 3 vars (one for each oneOf item)");
+
+        for (CodegenProperty var : fruitModel.vars) {
+            Assert.assertNotNull(var.name, "var name should not be null");
+            Assert.assertNotNull(var.dataType, "var dataType should not be null");
+            Assert.assertTrue(var.isModel, "var " + var.name + " should be a model type (isModel=" + var.isModel + ")");
+            Assert.assertFalse(var.isContainer, "var should not be a container (it references a model)");
+
+            // Check expected properties based on discriminator title
+            if (var.name.equals("apple_list")) {
+                Assert.assertEquals(var.dataType, "StringArray", "apple_list should reference StringArray");
+            } else if (var.name.equals("banana_map")) {
+                Assert.assertEquals(var.dataType, "FloatMap", "banana_map should reference FloatMap");
+            } else if (var.name.equals("orange_choice")) {
+                Assert.assertEquals(var.dataType, "Orange", "orange_choice should reference Orange");
+            } else {
+                Assert.fail("Unexpected var name: " + var.name + ". Expected one of: apple_list, banana_map, orange_choice");
+            }
+        }
+
+        output.deleteOnExit();
+    }
+
    @Test(description = "convert a model with dollar signs")
    public void modelTest() {
        final OpenAPI openAPI = TestUtils.parseFlattenSpec("src/test/resources/3_0/dollar-in-names-pull14359.yaml");
--- a/modules/openapi-generator/src/test/resources/3_0/java/issue12777.yaml
+++ b/modules/openapi-generator/src/test/resources/3_0/java/issue12777.yaml
@@ -0,0 +1,64 @@
+openapi: 3.0.1
+info:
+  title: Example - Polymorphic Config
+  version: 1.0.0
+paths: { }
+components:
+  schemas:
+    # -------------------------
+    # Base type with discriminator
+    # -------------------------
+    BaseConfiguration:
+      type: object
+      properties:
+        id:
+          type: integer
+          format: int64
+        type:
+          $ref: '#/components/schemas/ConfigurationType'
+      required:
+        - type
+      discriminator:
+        propertyName: type
+        mapping:
+          CHILD_ONE: '#/components/schemas/ChildOneConfiguration'
+          CHILD_TWO: '#/components/schemas/ChildTwoConfiguration'
+
+    ConfigurationType:
+      type: string
+      description: Example discriminator enum
+      enum:
+        - CHILD_ONE
+        - CHILD_TWO
+
+    # -------------------------
+    # Child 1
+    # -------------------------
+    ChildOneConfiguration:
+      allOf:
+        - $ref: '#/components/schemas/BaseConfiguration'
+        - type: object
+          required:
+            - type
+          properties:
+            type:
+              $ref: '#/components/schemas/ConfigurationType'
+            additionalFieldOne:
+              type: string
+          additionalProperties: true
+
+    # -------------------------
+    # Child 2
+    # -------------------------
+    ChildTwoConfiguration:
+      allOf:
+        - $ref: '#/components/schemas/BaseConfiguration'
+        - type: object
+          required:
+            - type
+          properties:
+            type:
+              $ref: '#/components/schemas/ConfigurationType'
+            additionalFieldTwo:
+              type: integer
+          additionalProperties: true
--- a/modules/openapi-generator/src/test/resources/3_1/oneOf.yaml
+++ b/modules/openapi-generator/src/test/resources/3_1/oneOf.yaml
@@ -0,0 +1,42 @@
+openapi: 3.1.0
+
+info:
+  title: fruity
+  version: 0.0.1
+
+paths:
+  /:
+    get:
+      responses:
+        '200':
+          description: desc
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/fruit'
+
+components:
+  schemas:
+    fruit:
+      oneOf:
+        - title: appleList
+          $ref: '#/components/schemas/appleArray'
+        - title: bananaMap
+          $ref: '#/components/schemas/bananaMap'
+        - title: orangeChoice
+          $ref: '#/components/schemas/orange'
+    appleArray:
+      type: array
+      items:
+        title: appleaArray
+        type: string
+    bananaMap:
+      type: object
+      additionalProperties:
+        type: number
+    orange:
+      title: orange
+      type: object
+      properties:
+        sweet:
+          type: boolean
--- a/pom.xml
+++ b/pom.xml
@@ -15,7 +15,7 @@
    <packaging>pom</packaging>
    <name>openapi-generator-project</name>
    <!-- RELEASE_VERSION -->
-    <version>7.19.0-SNAPSHOT</version>
+    <version>7.19.0</version>
    <!-- /RELEASE_VERSION -->
    <url>https://github.com/openapitools/openapi-generator</url>
    <scm>
--- a/samples/client/echo_api/java/native/src/main/java/org/openapitools/client/ApiClient.java
+++ b/samples/client/echo_api/java/native/src/main/java/org/openapitools/client/ApiClient.java
@@ -478,7 +478,7 @@ public class ApiClient {
    if (encoding.isPresent()) {
      for (String token : encoding.get().split(",")) {
        if ("gzip".equalsIgnoreCase(token.trim())) {
-          return new GZIPInputStream(body);
+          return new GZIPInputStream(body, 8192);
        }
      }
    }
--- a/samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/ApiClient.java
+++ b/samples/client/petstore/java/native-async/src/main/java/org/openapitools/client/ApiClient.java
@@ -478,7 +478,7 @@ public class ApiClient {
    if (encoding.isPresent()) {
      for (String token : encoding.get().split(",")) {
        if ("gzip".equalsIgnoreCase(token.trim())) {
-          return new GZIPInputStream(body);
+          return new GZIPInputStream(body, 8192);
        }
      }
    }
--- a/samples/client/petstore/java/native-jakarta/src/main/java/org/openapitools/client/ApiClient.java
+++ b/samples/client/petstore/java/native-jakarta/src/main/java/org/openapitools/client/ApiClient.java
@@ -478,7 +478,7 @@ public class ApiClient {
    if (encoding.isPresent()) {
      for (String token : encoding.get().split(",")) {
        if ("gzip".equalsIgnoreCase(token.trim())) {
-          return new GZIPInputStream(body);
+          return new GZIPInputStream(body, 8192);
        }
      }
    }
--- a/samples/client/petstore/java/native-useGzipFeature/src/main/java/org/openapitools/client/ApiClient.java
+++ b/samples/client/petstore/java/native-useGzipFeature/src/main/java/org/openapitools/client/ApiClient.java
@@ -21,6 +21,7 @@ import org.openapitools.jackson.nullable.JsonNullableModule;

 import java.io.InputStream;
 import java.io.IOException;
+import java.io.ByteArrayOutputStream;
 import java.net.URI;
 import java.net.URLEncoder;
 import java.net.http.HttpClient;
@@ -37,6 +38,9 @@ import java.util.StringJoiner;
 import java.util.function.Consumer;
 import java.util.Optional;
 import java.util.zip.GZIPInputStream;
+import java.util.function.Supplier;
+import java.util.Objects;
+import java.util.zip.GZIPOutputStream;
 import java.util.stream.Collectors;

 import static java.nio.charset.StandardCharsets.UTF_8;
@@ -478,11 +482,122 @@ public class ApiClient {
    if (encoding.isPresent()) {
      for (String token : encoding.get().split(",")) {
        if ("gzip".equalsIgnoreCase(token.trim())) {
-          return new GZIPInputStream(body);
+          return new GZIPInputStream(body, 8192);
        }
      }
    }
    return body;
  }

+  /**
+   * Wraps a request body supplier with a streaming GZIP compressor so large payloads
+   * can be sent without buffering the entire contents in memory.
+   *
+   * @param bodySupplier Supplies the original request body InputStream
+   * @return BodyPublisher that emits gzip-compressed bytes from the supplied stream
+   */
+  public static HttpRequest.BodyPublisher gzipRequestBody(Supplier<InputStream> bodySupplier) {
+    Objects.requireNonNull(bodySupplier, "bodySupplier must not be null");
+    return HttpRequest.BodyPublishers.ofInputStream(() -> new GzipCompressingInputStream(bodySupplier));
+  }
+
+  private static final class GzipCompressingInputStream extends InputStream {
+    private final Supplier<InputStream> supplier;
+    private final byte[] readBuffer = new byte[8192];
+    private final ByteArrayOutputStream buffer = new ByteArrayOutputStream();
+    private InputStream source;
+    private GZIPOutputStream gzipStream;
+    private byte[] currentChunk = new byte[0];
+    private int chunkPosition = 0;
+    private boolean finished = false;
+
+    private GzipCompressingInputStream(Supplier<InputStream> supplier) {
+      this.supplier = Objects.requireNonNull(supplier, "bodySupplier must not be null");
+    }
+
+    private void ensureInitialized() throws IOException {
+      if (source == null) {
+        source = Objects.requireNonNull(supplier.get(), "bodySupplier returned null InputStream");
+        gzipStream = new GZIPOutputStream(buffer, true);
+      }
+    }
+
+    private boolean fillBuffer() throws IOException {
+      while (chunkPosition >= currentChunk.length) {
+        buffer.reset();
+        ensureInitialized();
+        if (finished) {
+          return false;
+        }
+        int bytesRead = source.read(readBuffer);
+        if (bytesRead == -1) {
+          gzipStream.finish();
+          gzipStream.close();
+          source.close();
+          finished = true;
+        } else {
+          gzipStream.write(readBuffer, 0, bytesRead);
+          gzipStream.flush();
+        }
+        currentChunk = buffer.toByteArray();
+        chunkPosition = 0;
+        if (currentChunk.length == 0 && !finished) {
+          continue;
+        }
+        if (currentChunk.length == 0 && finished) {
+          return false;
+        }
+        return true;
+      }
+      return true;
+    }
+
+    @Override
+    public int read() throws IOException {
+      if (!fillBuffer()) {
+        return -1;
+      }
+      return currentChunk[chunkPosition++] & 0xFF;
+    }
+
+    @Override
+    public int read(byte[] b, int off, int len) throws IOException {
+      if (len == 0) {
+        return 0;
+      }
+      if (!fillBuffer()) {
+        return -1;
+      }
+      int bytesToCopy = Math.min(len, currentChunk.length - chunkPosition);
+      System.arraycopy(currentChunk, chunkPosition, b, off, bytesToCopy);
+      chunkPosition += bytesToCopy;
+      return bytesToCopy;
+    }
+
+    @Override
+    public void close() throws IOException {
+      IOException exception = null;
+      if (source != null) {
+        try {
+          source.close();
+        } catch (IOException e) {
+          exception = e;
+        } finally {
+          source = null;
+        }
+      }
+      if (gzipStream != null) {
+        try {
+          gzipStream.close();
+        } catch (IOException e) {
+          exception = exception == null ? e : exception;
+        } finally {
+          gzipStream = null;
+        }
+      }
+      if (exception != null) {
+        throw exception;
+      }
+    }
+  }
 }
--- a/samples/client/petstore/java/native-useGzipFeature/src/main/java/org/openapitools/client/api/PetApi.java
+++ b/samples/client/petstore/java/native-useGzipFeature/src/main/java/org/openapitools/client/api/PetApi.java
@@ -44,6 +44,7 @@ import java.util.List;
 import java.util.Map;
 import java.util.Set;
 import java.util.function.Consumer;
+import java.util.function.Supplier;

@jakarta.annotation.Generated(value = "org.openapitools.codegen.languages.JavaClientCodegen", comments = "Generator version: 7.19.0-SNAPSHOT")
 public class PetApi {
@@ -267,10 +268,13 @@ public class PetApi {

    localVarRequestBuilder.header("Content-Type", "application/json");
    localVarRequestBuilder.header("Accept", "application/xml, application/json");
+    localVarRequestBuilder.header("Accept-Encoding", "gzip");

    try {
      byte[] localVarPostBody = memberVarObjectMapper.writeValueAsBytes(pet);
-      localVarRequestBuilder.method("POST", HttpRequest.BodyPublishers.ofByteArray(localVarPostBody));
+      Supplier<InputStream> localVarRequestBodySupplier = () -> new ByteArrayInputStream(localVarPostBody);
+      localVarRequestBuilder.header("Content-Encoding", "gzip");
+      localVarRequestBuilder.method("POST", ApiClient.gzipRequestBody(localVarRequestBodySupplier));
    } catch (IOException e) {
      throw new ApiException(e);
    }
--- a/samples/client/petstore/java/native/src/main/java/org/openapitools/client/ApiClient.java
+++ b/samples/client/petstore/java/native/src/main/java/org/openapitools/client/ApiClient.java
@@ -478,7 +478,7 @@ public class ApiClient {
    if (encoding.isPresent()) {
      for (String token : encoding.get().split(",")) {
        if ("gzip".equalsIgnoreCase(token.trim())) {
-          return new GZIPInputStream(body);
+          return new GZIPInputStream(body, 8192);
        }
      }
    }
--- a/samples/server/petstore/kotlin-vertx-modelMutable/pom.xml
+++ b/samples/server/petstore/kotlin-vertx-modelMutable/pom.xml
@@ -16,7 +16,7 @@
        <kotlin.compiler.incremental>true</kotlin.compiler.incremental>
        <jakarta-annotation-version>1.3.5</jakarta-annotation-version>
        <junit.version>4.13.2</junit.version>
-        <vertx.version>4.5.22</vertx.version>
+        <vertx.version>4.5.24</vertx.version>
        <maven-compiler-plugin.version>3.10.0</maven-compiler-plugin.version>
        <vertx-openapi-router.version>1.0.2</vertx-openapi-router.version>
        <maven-shade-plugin.version>3.2.4</maven-shade-plugin.version>
--- a/samples/server/petstore/kotlin/vertx/pom.xml
+++ b/samples/server/petstore/kotlin/vertx/pom.xml
@@ -16,7 +16,7 @@
        <kotlin.compiler.incremental>true</kotlin.compiler.incremental>
        <jakarta-annotation-version>1.3.5</jakarta-annotation-version>
        <junit.version>4.13.2</junit.version>
-        <vertx.version>4.5.22</vertx.version>
+        <vertx.version>4.5.24</vertx.version>
        <maven-compiler-plugin.version>3.10.0</maven-compiler-plugin.version>
        <vertx-openapi-router.version>1.0.2</vertx-openapi-router.version>
        <maven-shade-plugin.version>3.2.4</maven-shade-plugin.version>
Author	SHA1	Message	Date
William Cheng	ff400e9a31	v7.19.0 release (#22732 ) * v7.19.0 release * update mill test	2026-01-19 18:06:38 +08:00
Xi Lu	24242be595	[Protobuf] Improve oneOf Handling by Unwrapping allOf for Complex Types (#22700 ) * Improve Protobuf Generator's oneOf Handling allOf Unwrapping with Complex Types * Address cubic-dev-ai comment	2026-01-19 17:00:31 +08:00
Daniel	502565b317	[java][jackson] fix: conditionally add jackson JsonIgnoreProperties for base class polymorphism fixes #12777 #22527 (#22528 ) * fix: conditionally add jackson JsonIgnoreProperties for base class polymorphism * fix: rename flag * fix: rename flag * fix: remove newline * fix: regenerate example models * fix: regenerate	2026-01-19 16:57:38 +08:00
Ilya Nemtsev	f355dc4c5c	[Java][Native] Fix request compression (#22688 ) * fix request compression * fix edge case * regenerated samples	2026-01-19 16:37:22 +08:00
William Cheng	73c9c1cbe5	update vertx to newer version in kotlin vertx server (#22731 )	2026-01-19 15:09:24 +08:00