Not quite the same as the Odoo feature we were after at some point, but I notice Client ID allows new IDs to be captured that subsequently re-appear on its lookup. I suspect different code when a back-end look-up table is involved?
next round, it is there (not sorted, but)
Requested earlier for Sample and Environmental Conditions and a few others; Sample rejection reason was specced for Zim Health. not sure whether it made it.