The latest version of iOS 7 at the moment is iOS 7.0.3 which was released towards the last week of October, and it looks like we might be able to look forward to iOS 7.0.4 in the near future, according to the folks at MacRumors whose server logs are getting visits from devices running on iOS 7.0.4, presumably those owned by Apple employees who are probably testing the update as we speak, and also because Apple has yet to seed iOS 7.0.4 to developers, suggesting that the only people having access to the update would be employees themselves.
Unfortunately it is unclear as to what sort of changes iOS 7.0.4 will be bringing to the table, but we can only assume due to its version number that this will be a small and minor update, possibly just to fix some bugs that have been spotted along the way. iOS 7.1 is said to be a larger and more substantial update, although when that update will drop remains to be seen. MacRumors claims to have seen devices running iOS 7.1 visit their servers in the past, but the frequency of those visits has since dropped, suggesting that maybe Apple is focusing more on iOS 7.0.4 for now.
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