Are you talking about Author clustering or Publish clustering ?? You can read [1] in detail to understand how it was done in 5.6.1 and prior version [1] https://docs.adobe.com/docs/en/cq/5-6-1/core/administering/cluster.html

Persisting the values with the field would be in your multifield JS file, please post your JS under /apps/hmi/components/content/multifield 

You can override getRenditions() method from RenditionPicker and implement your own rendition picker. Refer the custom picker link mentioned above by @scott

Hi Goutam, There is no special setup needs to be done. OOB, there are certain diagnosis tools available.Refer [1] for the same. I think for some reason it is broken in your instance. Can you please capture the error log when you hit Diagnosis and post it here. That would help us to analyze the probl...

Yes ! You can also refer [1] for the actual statement[1] http://adobeaemclub.com/how-to-remove-default-div-generated-by-cq5-aem-for-component/

So how many segments do you have to resolve ? and what are the conditions that each segments has ?Mostly, campaigns always will take a little time as it is resolved from the browser (JS) after the page has been rendered.

Hi Ratna,Thats right Ratna! Design mode should not be the option for 'authors'. Admin should should configure the components availability for the authors Regards,Lokesh

Usually LDAP will be used in Author instance to integrate the internal users to login to AEM aswell.where in for application, running in publish instance would have its own login functionality with is normally authenticated against DB. 

you need to allow components which needs to be accessed within the parsys or the component. As@edubey mentioned, goto edit mode click edit on parsys and add your component. Once you are back in edit mode you should be able to see the same

Ideally, you should block any such operations like package upload etc in the publish instance. Packages needs to be deployed using curl or maven while content needs to be pushed via replication to publish instance.Even if its allowed all the users should not have access to it and only admin should b...