Engineering Journal
Engineering Knowledge, Documented.
Technical articles from real WordPress and WooCommerce engineering work — written by the people who did the work, not a content team.
WooCommerce Checkout Broke After an Update? How to Find What Changed
Checkout failed after an update? How to confirm it is really broken, find what changed, isolate the cause,…
WooCommerce 11.6 Requires PHP 8.1: How to Check Your Store
WooCommerce 11.6, planned for February 2027, requires PHP 8.1 or newer. What was announced, how to check your…
WooCommerce Checkout Stuck Loading? How to Find What Is Blocking It
A checkout that sits on a spinner, "Processing" or "Update totals" is waiting for a request that never…
How to Test WooCommerce Checkout After an Update (10-Minute Checklist)
A WooCommerce update can break one path through checkout while the site looks normal. A 10-minute test to…
“Payment Nonce Is Missing” in WooCommerce: What It Means and How to Fix It
The "payment nonce is missing" error means the payment form did not hand a token to your checkout.…
Why WooCommerce Payment Buttons Disappear
PayPal, card fields, Apple Pay or Google Pay missing at checkout? Here are the usual reasons and how…
WooCommerce Orders Suddenly Dropping? 10 Things to Check
A sudden fall in orders is either fewer visitors or fewer visitors completing checkout. Here is how to…
How to Detect WooCommerce Plugin Conflicts
A practical way to find which plugin is breaking your WooCommerce store, narrow it down quickly, and spot…
WooCommerce Payment Gateway Not Working: A Troubleshooting Guide
Payment option missing, payment failing, or paid orders stuck on pending? Work out which problem you have and…
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