Dont

Do I need to escape get_the_post_thumbnail function?

Do I need to escape get_the_post_thumbnail function?

No, you don't have to escape the data. And it doesn't need to be escaped. Please take a look at the_post_thumbnail() function, it didn't do any escaping.

Categories Categories and posts structure
Categories and posts structure
What are post categories? What is the difference between tags and categories? How many categories should a blog post have? How many types of categorie...
Rest Is it good practice to use REST API in wp-admin plugin page? [closed]
Is it good practice to use REST API in wp-admin plugin page? [closed]
Should I disable REST API? Should I disable WordPress REST API? Should I disable WP JSON? What is WordPress REST API used for? How do I block REST API...
Transients Is it safe to delete unnecessary user metadata?
Is it safe to delete unnecessary user metadata?
Expired transients are transients that are expired and still exist in the database. These ones can be safely cleaned. Transients housekeeping is now p...