The lockscreen widget implementation is terrible.
#.1 You cannot remove the HTC "time" at the bottom if you have your own clock widget you essentially have 3 clocks on the screen (Example is Timely or Beautiful Widgets)
#2. Attempting to re-size or move the widget does not save and causes it to display incorrectly (especially 4x4 widgets after you re-lock the screen and cut off a lot of the information (click on pic to enlarge)
#3. Widget information is not saved (BW is an example) it reverts back to defaults every time you enter settings so you have to change the themes/transparency, etc....
In addition to that:
-The developer menu is gone (Sprint)
-The signal strength meter under about>network displays the incorrect DBm levels
-GSam battery meter reports incorrect talk time left (over 6000 hours) Even after reinstall