3 files changed, 9 insertions, 1 deletions
diff --git a/lv2/lv2plug.in/ns/extensions/ui/lv2-ui.doap.ttl b/lv2/lv2plug.in/ns/extensions/ui/lv2-ui.doap.ttl
index 8d5a81d..03070b8 100644
--- a/lv2/lv2plug.in/ns/extensions/ui/lv2-ui.doap.ttl
+++ b/lv2/lv2plug.in/ns/extensions/ui/lv2-ui.doap.ttl
@@ -1,4 +1,4 @@
-@prefix dcs: <http://ontologi.es/doap-changeset#> .
+@prefix dcs:  <http://ontologi.es/doap-changeset#> .
 @prefix doap: <http://usefulinc.com/ns/doap#> .
 @prefix foaf: <http://xmlns.com/foaf/0.1/> .
 @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@@ -18,6 +18,8 @@
 		dcs:changeset [
 			dcs:item [
 				rdfs:label "Add idle interface so native UIs and foreign toolkits can drive their event loops."
+			] , [
+				rdfs:label "Add ui:updateRate property."
 			]
 		]
 	] , [
diff --git a/lv2/lv2plug.in/ns/extensions/ui/ui.h b/lv2/lv2plug.in/ns/extensions/ui/ui.h
index 2a9b28a..3ebddbb 100644
--- a/lv2/lv2plug.in/ns/extensions/ui/ui.h
+++ b/lv2/lv2plug.in/ns/extensions/ui/ui.h
@@ -53,6 +53,7 @@
 #define LV2_UI__resize           LV2_UI_PREFIX "resize"
 #define LV2_UI__touch            LV2_UI_PREFIX "touch"
 #define LV2_UI__ui               LV2_UI_PREFIX "ui"
+#define LV2_UI__updateRate       LV2_UI_PREFIX "updateRate"
 
 /**
    The index returned by LV2_UI_Port_Port::port_index() for unknown ports.
diff --git a/lv2/lv2plug.in/ns/extensions/ui/ui.ttl b/lv2/lv2plug.in/ns/extensions/ui/ui.ttl
index 70cc93f..5423933 100644
--- a/lv2/lv2plug.in/ns/extensions/ui/ui.ttl
+++ b/lv2/lv2plug.in/ns/extensions/ui/ui.ttl
@@ -330,6 +330,11 @@ return a pointer to an LV2_UI_Idle_Interface.</p>
 this URI, with NULL for data.</p>
 """ .
 
+ui:updateRate
+	a rdf:Property ;
+	rdfs:range xsd:float ;
+	rdfs:comment "The target rate, in Hz, to send updates to the UI." .
+
 ui:protocol
 	a rdf:Property ;
 	rdfs:domain ui:PortNotification ;