The current antenna overhang prevents panelisation and has no value.
Maybe replace with ESP07 or change layer to something which is not copied over by the panelisation routine.
I hadn't.
Having added the USB, there is another device with overhang
the clearance for the v-groove means the ESP-12 will need edging now a bit to allow for the +V trace from the USB to get between the keep-out layer under the esp and the vcut.
The current antenna overhang prevents panelisation and has no value. Maybe replace with ESP07 or change layer to something which is not copied over by the panelisation routine.