Thelia is an e-commerce framework. A replacement must carry both the customer checkout and the merchant's day-to-day work.
Build a staged catalog with variants, tax, shipping, a discount, and one customer account. Complete checkout with a payment sandbox, then test cancellation, partial refund, order email, and stock adjustment. Import a sample of existing orders and verify status, totals, addresses, and invoices. Check product URLs and redirects before a cutover.
Thelia's current documentation exposes its API and front-office architecture. Evaluate extensions and maintenance responsibilities along with features. Preserve a read-only path to historical orders until customer support can answer a real order query.
Akousa