Greetings to you!
If you are looking for the best and most advanced feature then Magento 2.4.4 will be a great choice.
One of the biggest introductions of Magento 2.4. 4 is support for PHP 8.1 which means all project libraries, dependencies, core composer dependencies, and third-party libraries are now updated to the latest version that's compatible with PHP 8.1.
You can check the official release note Magento 2.4.4 by Adobe.
Hope this will help you better.
If you still have any doubts or facing any issues regarding the upgrade, feel free to contact us.
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