--- IO-AIO/Changes	2007/10/04 12:50:35	1.132
+++ IO-AIO/Changes	2007/10/06 14:05:19	1.133
@@ -6,6 +6,14 @@
 TODO: fix setsig
 TODO: splice/tee/vmsplice/sync_file_range? (http://kerneltrap.org/node/6505 http://lwn.net/Articles/178199/)
 
+2.51 Sat Oct  6 16:04:54 CEST 2007
+	- perlio isn't generally threadsafe, so aio_close could not work reliably.
+          aio_close now tries a safe hack that might not be that asynchronous
+          (see the manpage for details).
+        - discard callback return values as to not grow the stack endlessly
+          when poll_cb handles many requests without returning.
+        - minor code cleanups.
+
 2.5  Thu Oct  4 14:49:08 CEST 2007
 	- replaced _fd2fh with faster xs code.
         - aio_close will now try to do "the right thing" and thus might