Index: src/wp-includes/class-wp-oembed.php
===================================================================
--- src/wp-includes/class-wp-oembed.php	(revision 54392)
+++ src/wp-includes/class-wp-oembed.php	(working copy)
@@ -81,6 +81,7 @@
 			'#https?://(www\.|embed\.)?ted\.com/talks/.*#i' => array( 'https://www.ted.com/services/v1/oembed.{format}', true ),
 			'#https?://(www\.)?(animoto|video214)\.com/play/.*#i' => array( 'https://animoto.com/oembeds/create', true ),
 			'#https?://(.+)\.tumblr\.com/post/.*#i'        => array( 'https://www.tumblr.com/oembed/1.0', true ),
+			'#https?://(www\.)?tumblr\.com/blog/view/[^/]+/.*#i' => array( 'https://www.tumblr.com/oembed/1.0', true ),
 			'#https?://(www\.)?kickstarter\.com/projects/.*#i' => array( 'https://www.kickstarter.com/services/oembed', true ),
 			'#https?://kck\.st/.*#i'                       => array( 'https://www.kickstarter.com/services/oembed', true ),
 			'#https?://cloudup\.com/.*#i'                  => array( 'https://cloudup.com/oembed', true ),