More than likely, owners of the HTC One could see Android 4.2.2 come down the pipeline to grace their device sometime soon. The update has already started rolling out OTA in Taiwan, at least according to one report. So far, this hasn't been officially confirmed so simply keep your fingers crossed for now. This new update supposedly brings with it some welcome tweaks and enhancements. Here's a quote with the details,

Some of the more noteworthy changes include the demise of the black bar of horror the triple dot menu that appears inside of apps is gone as a long press of the back button will be the new menu button. Auto Enhance/Auto Focus enhancements have been added to the camera app, along with a new lock screen widget style and, finally, a battery percentage in the status bar (we hate this oversight!). For the full list of what we know so far, head for the gallery below.
Of course, per HTC's MO, they launched in their home country first, so it might take a few weeks to launch globally. Please keep an eye out and let us know if you hear anything.

Source: AndroidCentral