Very recently the, owners of Verizon HTC One (M7) received an update regarding Sense 6. The update is limited to the consumers of Verizon and Sprint having HTC One (M7). There may be a change now. Yesterday HTC executive told that the manufacturer has received the approval for technical support and then they are able to send the updates about Sense 6 to all the users of HTC One (M7) having AT&T version of HTC One (M7). As executive said the updates will start reaching the consumers from next week.
Company did not provide the details of changes what they are made but it is expected that update will be somewhat similar to Sprint and Verizon updates. Blink Feed update is confirmed to it easy to customize the features as required.
May be users interface gallery comes with changes to add or remove widgets, applications and popup added to the main screen. AT&T consumers with the HTC One (M7) will find better Wi-Fi connectivity after the update, and see the difference in Emergency Alert application.