Changes in schematics were passive symbols to force 3d model updates
Netlist is mostly same as above. Changes were to symbol names, nothing in the actual netlist section of the file.
cmp file diff is useless, but can be assumed safe based on schematic and netlist changes
I never make copper changes between revisions without good reason (i.e. test results)
I am unable to view the diff for the .kicad_pcb file online, but based on what I know was changed, it's safe to assume that there weren't any copper changes: there simply aren't enough line changes for that.
Changes were entirely surface/cosmetic: