[Must read] How to ask for help and get an answer.
How to avoid DRC errors when connecting to PCB Footprints (a.k.a. PCB Libs)
posted by andyfierman , 3 weeks ago.
PCBLib format for PAD RECT (EasyEDA file source menu)
The 20H and Ground Plane Extension rules: benefits and limitations of applying them
exporting vias and multi-layer pads on the paste layer.
How to create findable footprints and searchable symbols