Following a report earlier this week from market research firm IHS iSuppli, sources from inside Apple’s supply chain have stated that the Apple will be unable to roll out a next-generation version of the iPad mini with a high resolution Retina display this month, reports Reuters. Specifically, the sources are expecting Apple to wait until early next year for a full-fledged launch or make the iPad mini with Retina display available only in very limited quantities this year.The reason behind the delays in manufacturing the retina display screens for the iPad Mini were unclear.