diff --git a/RELEASENOTES-DEVELOPMENT.md b/RELEASENOTES-DEVELOPMENT.md
index 20d0dbc0..f64e104c 100644
--- a/RELEASENOTES-DEVELOPMENT.md
+++ b/RELEASENOTES-DEVELOPMENT.md
@@ -1,3 +1,11 @@
+Version 4.3.5-dev-6-g597aba0c
+==
+**Bug Chasing**
+* Modify the `sndio` backend (native to OpenBSD, also used in FreeBSD) to try to deal with an intermittent bug. Specifically, use an explicit `is_running` flag to keep track of the playing status of the backend.
+
+**Configuration Comment Update**
+* Update comments in the `sndio` section of the sample configuration file.
+
 Version 4.3.5-dev-3-ge28c566a
 ==
 **Bug Fix**