Since it is an important part of your website, the incorrect use of the .htaccess file within WordPress can cause access problems to your website, so you must pay attention to the edition, applying copies of the file before modifying it, and reviewing the applied changes well before saving and putting it into production.
This is one of the reasons why the .htaccess file is usually hidden, to prevent it from being manipulated due to ignorance or error.
Not having the .htaccess in the WordPress root folder is a security risk! In addition, it is most likely that your site will stop working without it.
Take care of it and keep it up to date with directives, redirections and other functionalities that you add to it.
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