Disable Stock Reservation
Disables Magento 2's MSI inventory reservation logic to allow external WMS integrations to manage stock directly.
What is Disable Stock Reservation?
AmpersandHQ/magento2-disable-stock-reservation is a Magento 2 module that disables the Multi-Source Inventory (MSI) stock reservation logic introduced in version 2.3.3. It solves compatibility issues with external Warehouse Management Systems (WMS) by restoring immediate stock deduction on order placement instead of on shipment.
Magento 2 developers and administrators who need to integrate external WMS or inventory systems that require real-time stock updates and cannot work with Magento's reservation-based model.
It provides a straightforward solution to bypass MSI's complex reservation system, ensuring stock levels are updated predictably and synchronously with order events, which is critical for accurate inventory tracking in third-party systems.
Overview
This module disables the inventory reservation logic introduced as part of MSI in Magento 2.3.3
Use Cases
Best For
- Integrating Magento 2 with external Warehouse Management Systems (WMS)
- Fixing stock synchronization issues caused by MSI's reservation logic
- Restoring traditional stock deduction behavior on order placement
- Ensuring real-time inventory updates for multi-channel sales
- Simplifying inventory management for Magento stores with custom fulfillment workflows
- Avoiding stock discrepancies between Magento and external inventory systems
Not Ideal For
- Stores that rely on Magento's Multi-Source Inventory for managing multiple warehouses or sources without external systems.
- Teams using MSI's stock reservation to handle backorders or pre-orders more effectively.
- Projects where inventory deductions on shipment are preferred to align with physical stock movement tracking.
- Developers seeking to extend or customize MSI features rather than disable them entirely.
Pros & Cons
Pros
Disables MSI's reservation system to enable real-time stock updates, solving compatibility issues with external Warehouse Management Systems as described in the README's problem statement.
Uses a plugin on OrderService to trigger stock deductions on order placement, restoring traditional e-commerce behavior and preventing stock synchronization delays.
Truncates the inventory_reservation table upon installation, removing historical entries and ensuring a fresh start for inventory management, as noted in the README.
Includes observers for cancelled order items and credit memos, automatically restoring stock when configured with 'Back to stock' options, detailed in the README.
Cons
Requires both inventory and cataloginventory_stock to be on the same mode (Update on Save or Schedule) and active crons for schedule mode, adding setup overhead as noted in the README's additional notes.
Completely bypasses MSI's advanced inventory management, such as multi-source support and reservation-based handling, which may be essential for stores leveraging Magento's native capabilities.
As a module that modifies core Magento behavior, it may conflict with future updates or other modules, increasing the need for vigilant maintenance and potential compatibility issues.
Frequently Asked Questions
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