Earlier in the week we heard that the developer edition of the HTC One would be getting the Android 4.3 Jelly Bean update, and now the HTC One Android 4.3 update is available for the developer version of the device.
The Android 4.3 Jelly Bean update for the HTC One Developer Edition also brings the HTC Sense 5 UI, the update is apparently available for the developer units as of now.
As yet we do not have a specific date n when the regular HTC One will get the Android 4.3 Jelly Bean update, as soon as we get some more details we will let you guys know.
Source Android Community