release: 4.29.1

.gitignore

@@ -1,4 +1,5 @@
 .prism.log
+.stdy.log
 .gradle
 .idea
 .kotlin

.release-please-manifest.json

@@ -1,3 +1,3 @@
 {
-  ".": "4.29.0"
+  ".": "4.29.1"
 }

.stats.yml

@@ -1,4 +1,4 @@
 configured_endpoints: 151
-openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/openai%2Fopenai-55ef7034334e938c30656a404ce5e21466103be87542a796425346299f450404.yml
-openapi_spec_hash: 4a5bfd2ee4ad47f5b7cf6f1ad08d5d7f
+openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/openai%2Fopenai-0fea07225431c8d0cf5fc1a70c9363a91d259f7a169f410717e162de1b24e489.yml
+openapi_spec_hash: 41b34c1678ec0e95daf62ca4cd52c8f8
 config_hash: 96fbf82cf74a44ccd513f5acf0956ffd

CHANGELOG.md

@@ -1,5 +1,29 @@
 # Changelog
 
+## 4.29.1 (2026-03-23)
+
+Full Changelog: [v4.29.0...v4.29.1](https://github.com/openai/openai-java/compare/v4.29.0...v4.29.1)
+
+### Bug Fixes
+
+* **client:** allow updating header/query affecting fields in `toBuilder()` ([fd3b67c](https://github.com/openai/openai-java/commit/fd3b67cef9c4457506a76b9e994210e512e0181f))
+* **client:** remove redundant apiKey override ([8383a7d](https://github.com/openai/openai-java/commit/8383a7de659aa6f17e1707614f5a246ced127532))
+* **core:** format StructuredOutputs ([256718e](https://github.com/openai/openai-java/commit/256718e5ac3f3bd821d97829c5af09b2db6f113d))
+* **types:** change type field to constant in ResponseInputMessageItem ([a8ae57f](https://github.com/openai/openai-java/commit/a8ae57f73a04878013869f75bc331fa60f02b979))
+
+
+### Chores
+
+* **internal:** update gitignore ([2663595](https://github.com/openai/openai-java/commit/26635957cbcfb2438bcece6476eea1e206d54115))
+* **tests:** bump steady to v0.19.4 ([f0d4ba8](https://github.com/openai/openai-java/commit/f0d4ba8685e6376e72a928da9aaf2bdc9e1655e5))
+* **tests:** bump steady to v0.19.5 ([cbd424e](https://github.com/openai/openai-java/commit/cbd424e5e2220cc8c88522b9850fe1a923a2e523))
+* **tests:** bump steady to v0.19.6 ([28a4c27](https://github.com/openai/openai-java/commit/28a4c278d4f81e61f732d1576e09b91e85e48ca8))
+
+
+### Refactors
+
+* **tests:** switch from prism to steady ([a8cb9e8](https://github.com/openai/openai-java/commit/a8cb9e8c62c492a6aeda6fcdd6e9b09afc4f71fa))
+
 ## 4.29.0 (2026-03-17)
 
 Full Changelog: [v4.28.0...v4.29.0](https://github.com/openai/openai-java/compare/v4.28.0...v4.29.0)

README.md

@@ -2,16 +2,16 @@
 
 <!-- x-release-please-start-version -->
 
-[![Maven Central](https://img.shields.io/maven-central/v/com.openai/openai-java)](https://central.sonatype.com/artifact/com.openai/openai-java/4.29.0)
-[![javadoc](https://javadoc.io/badge2/com.openai/openai-java/4.29.0/javadoc.svg)](https://javadoc.io/doc/com.openai/openai-java/4.29.0)
+[![Maven Central](https://img.shields.io/maven-central/v/com.openai/openai-java)](https://central.sonatype.com/artifact/com.openai/openai-java/4.29.1)
+[![javadoc](https://javadoc.io/badge2/com.openai/openai-java/4.29.1/javadoc.svg)](https://javadoc.io/doc/com.openai/openai-java/4.29.1)
 
 <!-- x-release-please-end -->
 
 The OpenAI Java SDK provides convenient access to the [OpenAI REST API](https://platform.openai.com/docs) from applications written in Java.
 
 <!-- x-release-please-start-version -->
 
-The REST API documentation can be found on [platform.openai.com](https://platform.openai.com/docs). Javadocs are available on [javadoc.io](https://javadoc.io/doc/com.openai/openai-java/4.29.0).
+The REST API documentation can be found on [platform.openai.com](https://platform.openai.com/docs). Javadocs are available on [javadoc.io](https://javadoc.io/doc/com.openai/openai-java/4.29.1).
 
 <!-- x-release-please-end -->
 
@@ -24,7 +24,7 @@ The REST API documentation can be found on [platform.openai.com](https://platfor
 ### Gradle
 
 ```kotlin
-implementation("com.openai:openai-java:4.29.0")
+implementation("com.openai:openai-java:4.29.1")
 ```
 
 ### Maven
@@ -33,7 +33,7 @@ implementation("com.openai:openai-java:4.29.0")
 <dependency>
   <groupId>com.openai</groupId>
   <artifactId>openai-java</artifactId>
-  <version>4.29.0</version>
+  <version>4.29.1</version>
 </dependency>
 ```
 
@@ -1342,7 +1342,7 @@ If you're using Spring Boot, then you can use the SDK's [Spring Boot starter](ht
 #### Gradle
 
 ```kotlin
-implementation("com.openai:openai-java-spring-boot-starter:4.29.0")
+implementation("com.openai:openai-java-spring-boot-starter:4.29.1")
 ```
 
 #### Maven
@@ -1351,7 +1351,7 @@ implementation("com.openai:openai-java-spring-boot-starter:4.29.0")
 <dependency>
   <groupId>com.openai</groupId>
   <artifactId>openai-java-spring-boot-starter</artifactId>
-  <version>4.29.0</version>
+  <version>4.29.1</version>
 </dependency>
 ```
 

build.gradle.kts

@@ -8,7 +8,7 @@ repositories {
 
 allprojects {
     group = "com.openai"
-    version = "4.29.0" // x-release-please-version
+    version = "4.29.1" // x-release-please-version
 }
 
 subprojects {

buildSrc/src/main/kotlin/openai.kotlin.gradle.kts

@@ -40,7 +40,7 @@ tasks.withType<Test>().configureEach {
 
 val ktfmt by configurations.creating
 dependencies {
-    ktfmt("com.facebook:ktfmt:0.56")
+    ktfmt("com.facebook:ktfmt:0.61")
 }
 
 fun registerKtfmt(

openai-java-core/src/main/kotlin/com/openai/core/ClientOptions.kt

@@ -533,9 +533,7 @@ private constructor(
             headers.put("X-Stainless-Runtime", "JRE")
             headers.put("X-Stainless-Runtime-Version", getJavaVersion())
             headers.put("X-Stainless-Kotlin-Version", KotlinVersion.CURRENT.toString())
-            organization?.let { headers.put("OpenAI-Organization", it) }
-            project?.let { headers.put("OpenAI-Project", it) }
-
+            // We replace after all the default headers to allow end-users to overwrite them.
             headers.replaceAll(this.headers.build())
             when (credential) {
                 is AzureApiKeyCredential -> {
@@ -568,6 +566,8 @@ private constructor(
             }
 
             queryParams.replaceAll(this.queryParams.build())
+            organization?.let { headers.replace("OpenAI-Organization", it) }
+            project?.let { headers.replace("OpenAI-Project", it) }
 
             return ClientOptions(
                 httpClient,

openai-java-core/src/main/kotlin/com/openai/core/StructuredOutputs.kt

@@ -111,11 +111,7 @@ internal fun textConfigFromClass(
     ResponseTextConfig.builder().format(jsonSchemaFromClass(type, localValidation)).build()
 
 // "internal" instead of "private" for testing purposes.
-internal data class FunctionInfo(
-    val name: String,
-    val description: String?,
-    val schema: ObjectNode,
-)
+internal data class FunctionInfo(val name: String, val description: String?, val schema: ObjectNode)
 
 @JvmSynthetic
 // "internal" instead of "private" for testing purposes.