WooCommerce 10.3 Update Preview: Feature Highlights, Performance Optimizations and Release Confirmation

September 29, 2025WooCommerce The team has officially entered the Feature Freeze phaseThis means that the new features have been finalized and the focus of the development work has shifted to testing and optimization.WooCommerce 10.3 It is planned that the October 21, 2025 Official Release.
This update focuses on costing, checkout process, performance improvements and development interface optimizations. Below is a summary of the main content.

I. Core functionality update

1. Costing (COGS) functionality added to the core#60847

The biggest changes in WooCommerce 10.3 are COGS (Cost of Goods Sold) function Become a central part.
This feature helps merchants:

• Calculate the actual cost of each item
• Analyzing the profitability of orders
• Tracking overall financial performance

In the past this feature relied on a plugin, but is now built in by default. This is a useful upgrade for stores that analyze operational data and profit structure.

2. New address auto-completion function on the checkout page.#60891 #60840

WooCommerce has added the checkout process to the address auto-completionIt will reduce the number of filling in errors.
Key changes include:

• Support for address search services in the form of plug-ins
• utilization WooPayments merchants can enable predictive address search in the backend (path: WooCommerce → Settings → General)
• Official development documentation is provided for technicians to configure customized address searches

This improvement makes checkout more efficient and more accurately filled out.

3. Product Collection Editor performance optimization#60828 #60863

Product Collection Block has been improved:

• Reduce duplicate product data requests
• Still loads smoothly when displaying more products
• Fixed the problem that the editor mistakenly said "need to save".

Overall lighter operation and shorter loading time.

4. PayPal API Upgrade and Fast Payment Button#60578 #61034

PayPal Integration upgrades to PayPal Orders v2 API, replacing the old standard interface (WPS).
New interface features:

• Faster checkout
• More stable and secure transactions
• additional Express Checkout Express Checkout button(supports PayPal, Venmo, Pay Later, etc.)

The upgraded system makes it easier for merchants to access PayPal's latest payment features.

II. Experimental and Test Functions

1. Add to Cart + Options block (beta version)

When a customer selects a different product variant, the relevant product information on the page is automatically updated.
Example:

• The image will automatically scroll to the corresponding variant
• If the variant is sold only as a single unit, the system automatically hides the quantity entry box

This change makes product display smarter and operation more intuitive.

2. WooCommerce MCP (AI interface)#60901

WooCommerce New MCP (Model Context Protocol) InterfaceAI tools (such as Claude, Cursor, VS Code, etc.) can interact directly with WooCommerce.
It is achievable:

• Automated store management
• Development process assistance
• More efficient workflow

The feature is still in beta, suitable for developers to research and validate in advance.

3. Mechanism for clearing empty sessions#60855

additional Clear Customer Sessions When Empty feature that will automatically delete invalid visitor sessions.
Benefits include:

• Improve cache hit rate
• Reducing Unwanted Cookies
• Improved page load speed

III. Changes to be noted by developers

1. Decimal format return logic adjustment

function (math.) wc_format_decimal As of WooCommerce 10.3, the empty string is returned in some cases to ensure consistent formatting.
Plugin developers should check their code before the 10.4 release to avoid compatibility issues.

// Always pass a number instead of a string.
$number = $value === '' ? 0 : $value;
wc_format_decimal( $value, 0 );

// Check the result for an empty string.
$result = wc_format_decimal( '', 0 ); wc_format_decimal( $value, 0 ); // Check the result for an empty string.
if ( $result === '' ) {
  // Do something if an empty string was used.
}

2. Coupon discount logic adjustment

The previous fix that caused double-counting during order editing was rolled back in 10.3 and reverted to stable logic.

IV. Release time and changelog

WooCommerce 10.3 is scheduled to be released on the October 21, 2025 Official Release.
The development team will continue to update the test results and feature documentation prior to release, and developers can check the official blog or GitHub for the latest progress.

Full changelog included:

• New and Adjusted Features
• Bug Fixes
• API and compatibility changes

V. Summary

WooCommerce 10.3 is an update that focuses on performance, efficiency and intelligence.

• Merchants can more visually see the cost of goods and profits
• Smoother checkout process
• New APIs and MCP interfaces bring more room for expansion

It is recommended to test compatibility well in advance of the official release and to keep an eye on subsequent developments.
WooCommerce 10.3 is not just a routine update, but marks a key step in the direction of smart e-commerce for the platform.

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