Index: wp-admin.css
===================================================================
--- wp-admin.css	(revision 23258)
+++ wp-admin.css	(working copy)
@@ -5831,7 +5831,7 @@
 }
 
 .row-actions {
-	visibility: hidden;
+	opacity: .5;
 	padding: 2px 0 0;
 }
 
@@ -5841,7 +5841,7 @@
 
 tr:hover .row-actions,
 div.comment-item:hover .row-actions {
-	visibility: visible;
+    opacity: 1;
 }
 
 .row-actions-visible {