Try using 'VersionHistory' API. Refer [1] [2] and check if it helps[1] http://www.day.com/maven/jsr170/javadocs/jcr-1.0/javax/jcr/version/VersionHistory.html[2] http://wemcode.wemblog.com/version-purging

convert it into the Touch UI widget (http://experience-aem.blogspot.in/2015/03/aem-6-sp2-touch-ui-coral-ui-nested-multi-multifield.html) and you can use that widget in your content editing

what is the sling:resourceSuperType of your component ?

I would advice to migrate to CRX3 from CRX2 as CRX2 is not supported from AEM 6.1Also if you are using CRX2, clustering should work as before and there will not be any Mongo MK for CRX2. If you upgrade to CRX 3 then you can use MongoMK for clustering using shard systemrefer [1] for the same[1] http:...

If you feel there is a bug, please raise a ticket for the same

That is because of the link checker. You can disable the same to avoid this popup

Have you applied SP1 or SP2 ? If not please apply the same. If there still is a problem, open a ticket. 

Hi Varun,Also, from 6.0 version, there is no specific certification for component developer. It is 'developer' certification which covers wider syllabus. Refer [1] for more information[1] http://training.adobe.com/certification/exams/aem_6_0_developer/_jcr_content/sampleExam

I would suggest to refer the 'Geometrixx Outdoors' project for the same.

'Content Finder' is the place where you can find your resources/content like images, files which needs to be added/authored in the page.  So only when you open the specific page, the cf# would be made available. I dont see a point to have content finder in siteadmin. Any specific usecase/reason why ...