I have tested the mods on stock and custom ROMs both and they are working just fine.
You can select the transparency level of the widget from below.
I am not sure as of yet whether or not this is something an update from ATT/Samsung will fix, or if the app writers need to update code for the SGS4. NONE of the 3rd party launchers have this issue and widgets update perfectly.
within the Samsung Galaxy S2 forums, part of the Samsung Android Phones category; Hello all !Recent update to Android 4.1.2 on my Samsung Galaxy S2 (LTE) caused a glitch in the built-in widget/app Accuweather. After recently purchasing Samsung’s new flagship smartphone the Galaxy S4, I have had a weird issue with some of my beloved weather widgets not updating.Calls to 0330 numbers cost no more than calls to geographic numbers (01 or 02).Calls from landlines and mobiles are included in free call packages.