Summary

Following an unannounced Squarespace update on 26 January 2026, sites using the Wishlist plugin may see a "Checkout' button appear on the Wishlist page. This unexpected behaviour is not caused by a fault in the Wishlist plugin, but by an unannounced structural change made by Squarespace.

How to fix this

You can resolve this immediately by adding the following to your Custom CSS panel:

a.cart-checkout-button:not(.sf-wishlist) {
  display: none !important;
}

What changed?

Squarespace made a structural change to the cart page, but did not document the change in advance. It applies globally across Squarespace sites. This issue is resolved in all versions of the Wishlist plugin issued since February 2026.

Final notes

We appreciate how disruptive unannounced platform changes like this can be, especially during busy trading periods. We’re actively monitoring Squarespace updates and provide automatic updates to subscription customers, as well as guidance for non-subscription customers.

If you’ve applied the fix above and are still experiencing issues, please get in touch with a link to your site and we’ll take a look.