WordPress 6.9 “Gene” Issues With Updates

WordPress 6.9 “Gene” Issues With Updates

If you haven’t updated yet, please review my notes on the update issues below.

WordPress 6.9 landed on December 2nd.

Almost immediately: broken checkouts, weird layouts, and “why is my site suddenly haunted?” messages started rolling in.

Here’s what’s breaking for a lot of folks right now:

• WooCommerce – checkout / cart acting weird, lost sales
• Yoast SEO – fatal errors with Site Kit, conflicts with Elementor
• Elementor – looks fine in the editor, broken on the live site, CSS not loading
• WPML – wrong language pages being served
• Storefront – product pagination broken

Common symptoms on WordPress 6.9:

• Blocks and layouts are out of alignment
• Background images are randomly breaking
• Fatal PHP errors in your logs
• Admin area is painfully slow
• CSS doesn’t load

And no, you’re not imagining it.

If you have NOT updated yet:

• Don’t update a live site to 6.9 yet
• Use a staging site to test first
• Update key plugins (WooCommerce, Yoast, Elementor, WPML, cache plugins) before touching WordPress core

If you already updated and things broke:

1. Update key plugins right away
   • WooCommerce
   • Yoast SEO (26.4 or 26.5)
   • Elementor
   • WPML (4.8.6 or later)
2. Is there a fix for Elementor? Yes.
   In Elementor settings, set CSS print method to “Internal Embedding” and save.
3. Purge all the caches
   • Your WordPress cache plugin
   • Server cache (LiteSpeed, NGINX, etc.)
   • CDN cache (Cloudflare, etc.)
4. Still a mess? Roll back!
   Go back to WordPress 6.8 using a rollback plugin or restore from a backup. The Core Rollback plugin is a working option.
   If it’s holiday season and your store can’t take orders, rolling back is usually kinder than “waiting for the next patch.”

All this trouble is mostly from a deep cache change in WP_Query. It didn’t get enough real‑world testing, so:

• Plugins reading the old cache keys now get bad data
• Caching layers serve the wrong content
• Multilingual and e‑commerce sites get hit the hardest

The shiny new Abilities API and AI hooks are cool…
But broken WooCommerce checkouts in December are not.

If your site is still on 6.8.3 and making money, you are not behind.
You are stable.

Has your site gone sideways on 6.9?

Which plugins are giving you grief: WooCommerce, Elementor, WPML, Yoast, something else?