The Dems adopted the DFL platform which was pretty much the CPUSA platform back in the 30's. The abject failure of those ideas over the years has never been a reason to change, so they simply lie about what they plan to do. This results in the Dems winning elections whenever they can find a candidate with good hair and no voting record who can lie with a straight face. This election will be no different.
In the debates, which they presume the Reps will not be watching, they put forth what they want to do. So far we have
I'm sure there will be more, but since they don't like to talk about it you'll have to follow their pontifications while they're on the stump but make no mistake, these items ARE the party platform whether they write them in officially or not. Note no mention of the debt. Oh well the Reps probably won't mention it either.
The SCOTUS has ruled that gerrymandering is strictly a state issue so look for lots of it post census. Some states have laws limiting this but you know no legislator worthy of his baksheeh would sponsor such a thing. Maybe a popular referendum if that's permitted.