As requested, copying my steam suggestion here.
Can you consider adding an option to extrude tiles on export? Even in the Core Features video seams from non-extruded tiles are visible when character is moving. There are free tools for that, like node cli Tile Extruder by Sporadic-labs or windows gui Frame Extruder by Lawrence Gibson, but built-in option will be a nice addition.
Links for example software, good general info there: