Started

Removing 3 days invoice. Generally, updating the flow on invoice generation and cancellation. Now, invoices will be generated 3 days before the new subscription period starts and if not paid for 1 day after it started, the subscription will be terminated. Without issuing any additional small invoices.
Fix of VAT for users who are changing the country. Both, old and new
Fix for the partial PayPal refund
Introducing regular automatic cleanup of the negative invoices
"Pay now" for all unpaid invoices, notification about unpaid invoice with the "Pay now" button
Fix: error messages for email field