chore: release 1.7.0

Author: aws-sdk-kotlin-ci

.changes/5fab7b09-e799-4345-8fae-c44f4a9fddc8.json

@@ -1,5 +1,13 @@
 # Changelog
 
+## [1.7.0] - 07/06/2026
+
+### Miscellaneous
+* **Breaking**: Remove deprecated `AwsChunkedSource` constructor overload, `HttpRequestBuilder.setAwsChunkedBody` overload, and `Flow<SdkBuffer>.asEventStreamHttpBody(CoroutineScope)` overload that were scheduled for removal in 1.7
+* **Breaking**: Update Kotlin version from 2.3.20 to 2.4.0
+* **Breaking**: Deprecate `Filesystem.readFileOrNull`, `Filesystem.writeFile`, and `Filesystem.fileExists` for removal in 1.8
+* ⚠️ **IMPORTANT**: Deprecate [`OkHttpEngineConfig.connectionIdlePollingInterval`](https://docs.aws.amazon.com/smithy-kotlin/api/latest/http-client-engine-okhttp/aws.smithy.kotlin.runtime.http.engine.okhttp/-ok-http-engine-config/connection-idle-polling-interval.html), which has been superseded by [`OkHttpEngineConfig.retryOnConnectionFailure`](https://docs.aws.amazon.com/smithy-kotlin/api/latest/http-client-engine-okhttp/aws.smithy.kotlin.runtime.http.engine.okhttp/-ok-http-engine-config/retry-on-connection-failure.html)
+
 ## [1.6.15] - 06/10/2026
 
 ### Features

.changes/a1b2c3d4-e5f6-7890-abcd-ef1234567890.json

@@ -15,7 +15,7 @@ org.gradle.jvmargs=-Xmx4G -XX:MaxMetaspaceSize=2G
 org.gradle.parallel=true
 
 # SDK
-sdkVersion=1.6.16-SNAPSHOT
+sdkVersion=1.7.0
 
 # codegen
 codegenVersion=0.35.45-SNAPSHOT