Prevent `api.wordpress.org` requests timeouts: "Warning: An unexpected error occurred. Something may be wrong with WordPress.org or this server's configuration. If you continue to have problems, please try the support forums. (WordPress could not establish a secure connection to WordPress.org.)"

wp-api-timeouts.php

<?php

// increase `timeout` for `api.wordpress.org` requests
add_filter( 'http_request_args', function( $request, $url ) {

	if ( strpos( $url, '://api.wordpress.org/' ) !== false ) {
		$request[ 'timeout' ] = 15;
	}

	return $request;

}, 10, 2 );