Index: src/wp-includes/class-wp-embed.php
IDEA additional info:
Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
<+>UTF-8
===================================================================
--- src/wp-includes/class-wp-embed.php	(revision 41028)
+++ src/wp-includes/class-wp-embed.php	(revision )
@@ -218,7 +218,7 @@
 
 			$cached_recently = ( time() - $cache_time ) < $ttl;
 
-			if ( $this->usecache || $cached_recently ) {
+			if ( $this->usecache && $cached_recently ) {
 				// Failures are cached. Serve one if we're using the cache.
 				if ( '{{unknown}}' === $cache )
 					return $this->maybe_make_link( $url );