We asked developers what they think about OS X Mavericks. Here they share their reaction to the new naming convention, relief that Apple is finally addressing power users again, concerns about security issues surrounding iCloud keychain, and relief that it doesn’t look like developers will have a big job implementing the changes required to play with Mavericks.Related StoriesNew OS X Mavericks (10.9) release date, UK pricingWhy did Apple call OS X 10.9 Mavericks?