Corrected bugs
ErrorException: [E_WARNING] Attempt to read property "user_id" on null src/addons/XFA/RMMarketplaceCart/Service/Cart/Delete.php:41 when validating a sale without cart existing
Removing an item empties the cart
Template modifications not applied following upgrade of RM Marketplace to 5.8.0
Deleting last cart item would keep cart displayed with a price and number of items despite being empty

Modifications:
Cart timeout unit changed to days

New features
Option to select the display of the cart button: icon, text or both
Abandoned cart email warning with options configurable delay and interval between reminders

WARNING: You should update the cart timeout option configuration right after the update.