https://wccftech.com/download-ios-12-4-7-for-iphone-and-ipad-with-bug-fixes/

Apple has released iOS 12.4.7 for iPhone 6, iPhone 5s, iPad mini 3, iPad Air 2, iPod touch 6 and more for download.

Apple released iOS 13.5 and iPadOS 13.5 a couple of days back, but alongside the update, the company also pushed out iOS 12.4.7 for older devices. In terms of features, you should not expect anything new at this point. But the changelog mentions that the new update packs important security fixes therefore it is important that you go ahead and download it onto your compatible device right away.