diff --git a/RELEASENOTES.md b/RELEASENOTES.md
index 111ed9e68..cadfc1ee7 100644
--- a/RELEASENOTES.md
+++ b/RELEASENOTES.md
@@ -1,10 +1,18 @@
-**New Feature**
 
-* If support for soxr interpolation is included at configuration time, then "soxr" interpolation is made the default at run time.
+Version 3.3rc1
+====
+
+**New Feature**
+* If support for `soxr` interpolation is included at configuration time, then `soxr` interpolation is made the default at run time.
 * If support for the Apple ALAC decoder is included at configuration time, then the Apple ALAC decoder is made the default at run time.
 * If support for metadata is included at configuration, then metadata and cover art are both enabled by default at run time.
 (Metadata is enabled if you configure support for metadata, the dbus interface, the MPRIS interface or the MQTT client.)
 
+**Enhancements**
+* MQTT publishes `active_start` and `active_end` events when the active state is entered and exited.
+* Add correction to fix for tinysvcmdns CVE-2017-12130.
+* Partly update man pages.
+
 Version 3.3rc0
 ====