chore: release 1.4.78

Author: aws-sdk-kotlin-ci

.changes/26842b1e-eda3-4dc5-b306-20cce3a1125d.json

@@ -1,5 +1,16 @@
 # Changelog
 
+## [1.4.78] - 05/06/2025
+
+### Features
+* (**ec2**) This release adds support for Amazon EBS Provisioned Rate for Volume Initialization, which lets you specify a volume initialization rate to ensure that your EBS volumes are initialized in a predictable amount of time.
+* (**servicecatalog**) ServiceCatalog's APIs (DeleteServiceAction, DisassociateServiceActionFromProvisioningArtifact, AssociateServiceActionWithProvisioningArtifact) now throw InvalidParametersException when IdempotencyToken is invalid.
+* (**timestreamquery**) Add dualstack endpoints support and correct us-gov-west-1 FIPS endpoint.
+* (**timestreamwrite**) Add dualstack endpoints support.
+
+### Fixes
+* [#1590](https://github.com/awslabs/aws-sdk-kotlin/issues/1590) (**dynamodb-mapper**) Fix schema generation for nullable lists and maps
+
 ## [1.4.77] - 05/05/2025
 
 ### Features

CHANGELOG.md

@@ -6,7 +6,7 @@ kotlin.native.ignoreDisabledTargets=true
 org.gradle.jvmargs=-Xmx6g -XX:MaxMetaspaceSize=2G
 
 # sdk
-sdkVersion=1.4.78-SNAPSHOT
+sdkVersion=1.4.78
 
 # dokka config (values specified at build-time as needed)
 smithyKotlinDocBaseUrl=https://sdk.amazonaws.com/kotlin/api/smithy-kotlin/api/$smithyKotlinRuntimeVersion/