What is the impact of changing the primary currency of a vendor and customer? I noticed that it updates the balance information field to the new currency which makes sense, clears the credit limit value, defaults to new primary currency when creating a new transaction.

Have you tried to create a sub-vendor (linked to parent) and make that one in new currency? or vice versa - Create a new Parent Vendor in the currency you want to switch to, and then link the current vendor as a child? This could possibly simplify and minimize any financial impact on past transactions/ inventory etc.

Thank you!