--- libev/Changes	2019/11/19 13:09:00	1.344
+++ libev/Changes	2019/11/22 14:32:13	1.345
@@ -4,6 +4,11 @@
 TODO: maybe use timerfd to detect time jumps on linux
 TODO: document EV_TSTAMP_T
 
+4.29
+	- (libev) add io uring autoconf and non-autoconf detection,
+          the latter of which should disable io_uring compilation
+          on old systems.
+
 4.28 (EV only)
 	- linuxaio backend resulted in random memory corruption
           when loop is forked.