As mentioned in the morning, Apple has kept her promise, and has just released the new one iOS 8.1. We do not know whether it brings security improvements or anything that the company promises, and does not follow the iOS 8.01 fiasco, but it is sure to bring new features and an old one loved by users of older iOS.
Η information it can be done OTA, but also through iTunes, later. You can upgrade already, but it's better to wait for the first impressions... You never know..
Read what the news brings version