Delivery Date & Time Slots changelog

All notable changes to Delivery Date & Time Slots (kv_delivery_date_time_slots) are documented here. The format follows Keep a Changelog and the project uses Semantic Versioning.

[Unreleased]

[1.0.0] - 2026-10-16

Added

Delivery calendar: working days, delivery days, order cut-off in the store time zone, processing and transit time, closed days (dispatch, delivery or both; once or every year), with a preview of the next order windows.
Processing time per product and per category (Add-ons tab), inherited by subcategories.
Product page estimate with a live “Order within …, get it by …” countdown that is safe for the full page cache and the block cache.
Delivery estimate in the cart and at checkout per package, for the chosen shipping method.
Delivery options per shipping method: off, estimate only, choose a delivery day, choose a day and time slot; transit time, extra processing days, own delivery days, days to offer, booking deadline, daily capacity, required choice.
Time slots per weekday with capacity and an optional fee added to the shipping cost; “Create slots in one step”.
Checkout picker with day tabs, full and closed slots, “Only N left”, “No preference”; server-side check when the order is placed.
Delivery date and slot (or the estimate) stored on the order: admin, vendor and customer order pages, change form on the admin order page, Delivery column, filters and sorting in the order list.
Invoice and order summary documents (and the order e-mails that include them): snippet “Delivery date and time slot” and the variable kv_delivery.
Delivery slot board with bookings against capacity per slot and day.
Multi-Vendor: vendor calendars, closed days, methods and slots in the vendor panel with marketplace defaults; capacity per vendor or shared; one picker per vendor package.
CS-Cart Ultimate: calendar and method settings per storefront.
“Next delivery” block (store estimate or the next free time slot).
Domain-bound license check with the license card, badge and status bar; switched off, the storefront estimates, the picker and slot fees stop while checkout and orders keep working.
Self-healing upgrades (Upgrade\Synchronizer).