GST POS Invoice with Serial Number

How to setup POS Invoice with GST details and with Serial Number in the invoice for items with serial Number

Please create a github issue

GST is not coming up in POS. Is it enabled in POS for GST details to be printed from POS?

GST POS Invoice with Serial Number

Customer details field is not printing
customer name
address
gst no.

earlier it worked fine

Can anybody help with this issue