Magento 2.4.3 version is released on August 10, 2021, which offers platform enhancements with security and performance improvements.

Release Notes:

1. Magento 2.4.3 Open Source Release Notes
2. Magento 2.4.3 Commerce Release Notes

Other Useful Links:

https://devdocs.magento.com/guides/v2.4/release-notes/2-4-2-p2.html

https://devdocs.magento.com/guides/v2.3/release-notes/2-3-7-p1.html

Key Highlights of Magento 2.4.3 Release Notes:

• Page Builder for Open Source
• Security with reCAPTCHA coverage
• GraphQL coverage for shared routes
• Updated Vendor Developed Extensions
• Introduced B2B v1.3.2 for Adobe Commerce

Read the detailed release notes at https://meetanshi.com/blog/magento-2-4-3-release/