1 files changed, 6 insertions, 0 deletions
diff --git a/PROTOCOL b/PROTOCOL
index 92cc2832..883b8bb6 100644
--- a/PROTOCOL
+++ b/PROTOCOL
@@ -188,3 +188,9 @@ new messages:
 
   PA_COMMAND_SET_SINK_PORT
   PA_COMMAND_SET_SOURCE_PORT
+
+## v17, implemented by >= 0.9.20
+
+new flag at end of CREATE_PLAYBACK_STREAM:
+
+    bool relative_volume