How to produce Imperial (Inch) Gerbers?

[maui]

@bobc
you can always make a copy of your actual board file and open it in 4022 version…
The file has to be edited in two points, but then you can open it correctly in 4022 old stable

How to open pcbnew from earlier version in old stable version?

I usually do it to show the kicad_pcb in stable 4022: make a backup of your .kicad_pcb file open your .kicad_pcb in text editor search for (pcbplotparams (layerselection 0x013fc_80000007) or similar and change with (pcbplotparams (layerselection 3178497) trick layers nbrs to old mapping (layers (0 F.Cu signal) (1 In1.Cu signal) (2 In2.Cu signal) (31 B.Cu signal) (32 B.Adhes user) (33 F.Adhes user) (34 B.Paste user) (35 F.Paste user) (36 B.SilkS user) (37 F.SilkS user…