I have noticed that mid year 2020, Keystone changed their slideroom height in the goose neck area to accommodate additional laminated wall area/structure under the off door slide. Here are two photos:
This is the old wall:
This is the new wall:
I'm thinking that they are fixing the problem by beefing up the front structure although I have no idea if this extends to the frame.
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2016 Ram 2500 Laramie 6.7 CTD 4WD,
Air-Lift Bags w/compressor, retrax bed cover