HTC seems hold to release a new flagship smartphone, since HTC has been successfully release the HTC One. And HTC is also release the low end market through HTC One Mini smartphone.
While for now, HTC is rumored that they already preparing their new tablet device that has similar design with HTC One smartphone. This tablet device is known as HTC M8.
According to rumor, the next HTC M8 phablet device will becoming the first HTC device that bring HTC Sense 6.0, HTC Sense is the HTC own user interface.
Unfortunately, there is no detail information about the different between HTC Sense 6.0 and HTC Sense 5.5, so we have to wait until HTC release the TC M8 officially.