chore: release 1.5.39

Author: aws-sdk-kotlin-ci

CHANGELOG.md

@@ -1,5 +1,13 @@
 # Changelog
 
+## [1.5.39] - 09/15/2025
+
+### Features
+* (**costexplorer**) Added endpoint support for eusc-de-east-1 region.
+* (**medicalimaging**) Added support for OpenID Connect (OIDC) custom authorizer
+* (**observabilityadmin**) CloudWatch Observability Admin adds the ability to enable telemetry centralization in customers' Organizations. The release introduces new APIs to manage centralization rules, which define settings to replicate telemetry data to a central destination in the customers' Organization.
+* (**s3control**) Introduce three new encryption filters: EncryptionType (SSE-S3, SSE-KMS, DSSE-KMS, SSE-C, NOT-SSE), KmsKeyArn (for SSE-KMS and DSSE-KMS), and BucketKeyEnabled (for SSE-KMS).
+
 ## [1.5.38] - 09/12/2025
 
 ### Features

gradle.properties

@@ -6,7 +6,7 @@ kotlin.native.ignoreDisabledTargets=true
 org.gradle.jvmargs=-Xmx10g -XX:MaxMetaspaceSize=2G
 
 # sdk
-sdkVersion=1.5.39-SNAPSHOT
+sdkVersion=1.5.39
 
 # dokka config (values specified at build-time as needed)
 smithyKotlinDocBaseUrl=https://sdk.amazonaws.com/kotlin/api/smithy-kotlin/api/$smithyKotlinRuntimeVersion/