To see the IGST, CGST, and other tax details in your invoices after updating the software, you need to check below reasons:
Step 1: Verify if you selected sales type or purchase type as itemwise or taxinclusive as a central, and specify the Tax rate in item master
Step 2: Ensure proper GST calculation for each row by hitting the enter button after entering the amount for each item.
Step 3: and also verify, if the sales type and purchase type are in individual and multi tax rate it should be the tax applied in bill sundry.