--- Coro/Changes	2012/12/21 04:48:16	1.611
+++ Coro/Changes	2013/02/08 22:29:18	1.612
@@ -11,6 +11,7 @@
           providing proper compile time symbols to test for it. as a result,
           this detection cannot work reliably.
         - valgrind stack registering was broken.
+        - do not rely on Time::HiRes anymore in Coro::Debug.
 
 6.23 Fri Dec  7 23:36:37 CET 2012
         - use experimental fiber implementation on native windows