On Magento 2.4 i found this class extends (extends \Magento\Framework\App\Action\Action) show deprecated.
Ref : Screenshot at end of the question
But Magento core use this code. I mean in core code they extends this class.
As per knowledge if a code get deprecated then on next release it may get removed, so there must be alternative code for the deprecated code. How can we easily found alternative for list of deprecated code in Magento 2?