...
format_info formatn
-Four new fields in reply from PA_COMMAND_GET_SOURCE_OUTPUT_INFO (and thus
+Five new fields in reply from PA_COMMAND_GET_SOURCE_OUTPUT_INFO (and thus
PA_COMMAND_GET_SOURCE_OUTPUT_INFO_LIST)
+ format_info format
volume
bool mute
bool has_volume
bool volume_writable
+
+## v23, implemented by >= 1.0
+
+New field in PA_COMMAND_UNDERFLOW:
+
+ int64_t index
+
+#### If you just changed the protocol, read this
+## module-tunnel depends on the sink/source/sink-input/source-input protocol
+## internals, so if you changed these, you might have broken module-tunnel.
+## Don't forget to test module-tunnel-{source,sink} when pushing protocol
+## changes.