Issue Description

In WordPress 6.2, the parameter search_columns was added to WP_Query, which allows the query to specify the columns to search. This parameter is not mentioned in documentation, but it should be.

URL of the Page with the Issue

https://developer.wordpress.org/reference/classes/wp_query/#search-parameters

Section of Page with the issue

Parameters > Search Parameters

Why is this a problem?

Documentation should be thorough and helpful: wanting to specify columns to search is a common request.

Ex: https://wordpress.stackexchange.com/questions/417138/how-to-use-wp-query-to-search-for-posts-where-post-content-or-post-title-or-post/417139

Suggested Fix

Add documentation for the search_columns parameter to the Search Parameters section of WP_Query class.