[New Release] OneStepCheckout v.1.2.051 supports Magento 2.4.3

OneStepCheckout supports Magento 2.4.3

Our new version, which includes Magento 2.4.3 support, is available on our channels and as well as Magento Marketplace.


  • refactoring: magento-coding-standards verified
  • refactoring: better fallback to phpserialize (zend, laminas) from Magento framework serializer
  • fix: additional validation for shipping address extension_attributes
  • fix: empty localization in admin template causes errors for m2 locale generation
  • fix: core issue in 2.4.3 #33741 reCaptcha(s) disabled but still including resources on frontend
  • fix: core issue in m2.4.3 #33826 stops (default) checkout from rendering
  • fix: corrupted template for qty buttons missing essential markup

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Thien-Lan WeberAbout Thien-Lan Weber

Thien-Lan is the Chief Marketing Officer at OneStepCheckout. She's a Marketing expert with 20 years experience across Europe and Asia Pacific including Accenture, Clarins, Johnson & Johnson, eBay and PayPal.

Thien-Lan loves connecting people and helping retailers get the most out of eCommerce. As such, she recently joined the board of ExtDN (Extension Developer Network).

She grew up in Paris, holds a Master of Science in Management from HEC Paris and is back to France after 16 years living in different parts of the worlds, the latest destination being Oslo where she joined OneStepCheckout.