This is effectively "patching" without the malware risk.
A: No. When the original developer releases a security update, installing it will overwrite the patch and re-lock the features.
Some designers stop supporting their premium templates. Enthusiasts "patch" them to remove the expired license check. Sites like Templateism Archives (now defunct) have been resurrected by collectors.
: A modern template that includes advanced features like dark mode, web components, and Tailwind CSS integration.