---
title: "WooCommerce API changes, deprecations and deadlines | Harbyn"
description: "WooCommerce: 1 upcoming deadline and 17 recorded changes as of 2026-10-25, each with its source."
canonical: "https://harbyn.com/vendors/woocommerce"
last-updated: 2026-10-25
---

# WooCommerce: API changes and deadlines

Markdown version of <https://harbyn.com/vendors/woocommerce>.

Commerce. 1 upcoming deadline, 17 recorded changes. Every entry cites the WooCommerce page we read it from.

## What we read

The WooCommerce pages and feeds our ingestion visits, politely and on a schedule.

- **Changelog**: <https://developer.woocommerce.com/feed/>
- **Changelog**: <https://api.github.com/advisories?affects=@woocommerce/woocommerce-rest-api,woocommerce&per_page=20&sort=published&direction=desc>

## What the scanner looks for

How `harbyn scan` recognises WooCommerce in a repository, on your machine. Nothing leaves it.

- **Packages**: `npm @woocommerce/woocommerce-rest-api`, `pypi woocommerce`

## Upcoming deadlines

| Deadline | Change | Use instead | Details | Source |
| --- | --- | --- | --- | --- |
| Feb 2027 | WooCommerce 11.6 will require PHP 8.1 or newer | - | <https://harbyn.com/changes/woocommerce/2026-09-29-new-requirement-for-woocommerce-11-6-php-8-1.md> | <https://developer.woocommerce.com/feed/> |

## Change history

Newest first, by the date WooCommerce announced it. This is the archive: past changes are not warnings, and changes we recorded after they took effect are marked as such.

### October 2026

- Oct 22, 2026, Feature: [Extensible abilities for extension fields](https://developer.woocommerce.com/2026/10/22/extensible-abilities/)
- Oct 21, 2026, Security: [Update PHP for critical security fixes](https://developer.woocommerce.com/2026/10/21/php-security-release/)
- Oct 21, 2026, Breaking change: [WooCommerce 11.3 removes the legacy MCP endpoint and abilities](https://harbyn.com/changes/woocommerce/2026-10-21-woocommerce-11-3-mcp-adaptor-updates.md)
- Oct 9, 2026, Behavior change: [Classic checkout address handling restored](https://harbyn.com/changes/woocommerce/2026-10-09-woocommerce-11-2-1-release-notes.md)
- Oct 9, 2026, Behavior change: [Checkout block postcode validation fixed](https://harbyn.com/changes/woocommerce/2026-10-09-woocommerce-11-2-1-release-notes-2.md)
- Oct 7, 2026, Security: [Cc and Bcc recipients restricted for specified emails](https://developer.woocommerce.com/2026/10/07/woocommerce-11-2-0-release-notes/)
- Oct 7, 2026, Security: [Download authorization rejects malformed credentials](https://developer.woocommerce.com/2026/10/07/woocommerce-11-2-0-release-notes/)
- Oct 7, 2026, Notice: [PublishPress Future compatibility advisory](https://developer.woocommerce.com/2026/10/07/woocommerce-11-2-0-release-notes/)

### September 2026

- Sep 28, 2026, Breaking change: [Experimental Dual API engine removed from WooCommerce core](https://harbyn.com/changes/woocommerce/2026-09-28-the-experimental-woocommerce-dual-api-is-now-a-plugin.md) (effective Oct 7, 2026; recorded after the fact)
- Sep 28, 2026, Breaking change: [Proof-of-concept product and coupon API removed](https://harbyn.com/changes/woocommerce/2026-09-28-the-experimental-woocommerce-dual-api-is-now-a-plugin-2.md) (effective Oct 7, 2026; recorded after the fact)
- Sep 24, 2026, Feature: [Store API cart item quantity validation filter added](https://developer.woocommerce.com/2026/09/24/new-cart-validation-filter/)
- Sep 21, 2026, Feature: [Date fields supported in the Additional Checkout API](https://developer.woocommerce.com/2026/09/21/woocommerce-11-2-0-pre-release-notes/)
- Sep 21, 2026, Behavior change: [Product CSV importer matching and cleanup changes](https://harbyn.com/changes/woocommerce/2026-09-21-woocommerce-11-2-0-pre-release-notes-4.md) (effective Oct 7, 2026; recorded after the fact)
- Sep 21, 2026, Behavior change: [PhotoSwipe error messages no longer substitute failed image URLs](https://harbyn.com/changes/woocommerce/2026-09-21-woocommerce-11-2-0-pre-release-notes-5.md) (effective Oct 7, 2026; recorded after the fact)
- Sep 18, 2026, Security: [WooCommerce 11.1.1 strengthens API security](https://developer.woocommerce.com/2026/09/18/woocommerce-11-1-1/)
- Sep 8, 2026, Breaking change: [WooCommerce Subscriptions 9.2.0 changes line item removal checks, action links and settings registration](https://harbyn.com/changes/woocommerce/2026-09-08-woocommerce-subscriptions-9-2-0-settings-updates-and-dev-changes.md)