DollarPay checkout compatibility update — 15 October 2026

DollarPay requests now use clean callback and browser return addresses.
Includes regular WooCommerce returns, custom thank-you pages with order_id,
Commerce receipts and adjusted/split payment plans. Existing private links
and signed webhook handlers remain available. Returning to the store does
not mark an order paid. Merchant keys and administrator settings are unchanged.

Verified with unpaid $9.99 Cash App checkout pages on two WooCommerce sites,
including a $10.00 order adjusted to $9.99. Full Commerce and additional
methods need their own merchant validation. No payment was completed.
