setDeployChangedOnly configuration with no effect at springboot configuration

Camunda 7 Topics
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1

I am using Spring Boot with embedded process engine. I am also using an empty processes.xml file and process the engine configuration in java code like following:

@Configuration
public class CamundaConfig extends AbstractCamundaConfiguration {

    @Override
    public void preInit(SpringProcessEngineConfiguration processEngineConfiguration) {
        processEngineConfiguration.setGroupResourceWhitelistPattern("[a-zA-Z0-9-]+");
        processEngineConfiguration.setDeployChangedOnly(true);
    }
}

In my case, the delivered application bundles all needed workflows and deploys all on application start. I want the application to only deploy changed workflows. So i want to set DeployChangedOnly to true.

However, setting this at SpringProcessEngineConfiguration does not have the intended effect. When there is a change in one workflow, it deploys new versions of all workflows.

When i set this property at processes.xml, it works:

<process-application
        xmlns="http://www.camunda.org/schema/1.0/ProcessApplication"
        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
    <process-archive>
        <properties>
            <property name="isDeployChangedOnly">true</property>
        </properties>
    </process-archive>
</process-application>

So i need to move this config into that file, which i wanted to avoid.

Any idea what i am doing wrong, or is this a bug?

I am using version 7.21 of camunda-bpm-spring-boot-starter-webapp