[porthole]

My doors started opening at the corners within a month of being new, May 30, 2018
For the first 5-6 months the trailer was used, so temp was fairly consistent.

Raised panel doors properly made do not have the panel ‘fixed’ in the frame, they have to float. Mine appeared to be glued in.

My gaps or splits vary from just visible to being able to insert a dime.
Touch up sticks are not going to work.

Poor construction technique.