Apple's iOS 5, which is tied to the upcoming service, debuted at Apple's Worldwide Developers Conference in June.

says the latest update includes fixes but no major new features.

But CNET's Edward Moyer says the release includes a designed to improve compatibility between iOS devices and hearing aids.

And discovered that the new includes the speech recognition feature believed to be called Apple "Assistant," which will combine on-device and cloud processing to recognize natural-speech instructions and be able to use various data sources to present the best set of results.

There are some hiccups, however.