Somewhere I thinks there’s info regarding preview is similar to what most vendors call beta or release candidate app, but not sure
If you search, it’s likely you find others with duplicate issues on IOS devices, maybe this ends it.
Two separate “things” commercial skip works indepant of guide data new or not
The data comes from Gracenote [tablotv search] and they get it from networks and/or station affiliates. The new/not new is a PITA, I usually only find it annoying, others, outright irritating. For SNL, sometimes they won’t even provide accurate show info… you can try to pass along the info the tablo via support ticket