diff --git a/libs/plugins/a-comp.lv2/a-comp#stereo.ttl.in b/libs/plugins/a-comp.lv2/a-comp#stereo.ttl.in
index 9f0153c596..fc5088d2ec 100644
--- a/libs/plugins/a-comp.lv2/a-comp#stereo.ttl.in
+++ b/libs/plugins/a-comp.lv2/a-comp#stereo.ttl.in
@@ -1,5 +1,6 @@
 @prefix doap: <http://usefulinc.com/ns/doap#> .
 @prefix foaf: <http://xmlns.com/foaf/0.1/> .
+@prefix idpy: <http://harrisonconsoles.com/lv2/inlinedisplay#> .
 @prefix lv2:  <http://lv2plug.in/ns/lv2core#> .
 @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
 @prefix rsz:  <http://lv2plug.in/ns/ext/resize-port#> .
@@ -17,12 +18,15 @@ unit:db-display
 	unit:render "%4.1f" ;
 	unit:symbol "dB" .
 
+idpy:queue_draw a lv2:Feature .
+idpy:in_gui a lv2:Feature .
+idpy:interface a lv2:ExtensionData .
+
 <urn:ardour:a-comp#stereo>
     a lv2:Plugin, doap:Project, lv2:CompressorPlugin ;
 
-    lv2:optionalFeature <http://lv2plug.in/ns/lv2core#hardRTCapable> ;
-    lv2:optionalFeature <http://harrisonconsoles.com/lv2/inlinedisplay#queue_draw> ;
-    lv2:optionalFeature <http://harrisonconsoles.com/lv2/inlinedisplay#in_gui> ;
+		lv2:extensionData idpy:interface ;
+		lv2:optionalFeature lv2:hardRTCapable, idpy:queue_draw, idpy:in_gui;
 
     lv2:port [
         a lv2:InputPort, lv2:ControlPort ;
@@ -181,5 +185,5 @@ A powerful stereo compressor.
     doap:license "GPL v2+" ;
     doap:maintainer <http://ardour.org/credits.html> ;
 
-    lv2:microVersion 0 ;
+    lv2:microVersion 2 ;
     lv2:minorVersion 2 .
diff --git a/libs/plugins/a-comp.lv2/a-comp.ttl.in b/libs/plugins/a-comp.lv2/a-comp.ttl.in
index a323e9f379..8484023653 100644
--- a/libs/plugins/a-comp.lv2/a-comp.ttl.in
+++ b/libs/plugins/a-comp.lv2/a-comp.ttl.in
@@ -1,5 +1,6 @@
 @prefix doap: <http://usefulinc.com/ns/doap#> .
 @prefix foaf: <http://xmlns.com/foaf/0.1/> .
+@prefix idpy: <http://harrisonconsoles.com/lv2/inlinedisplay#> .
 @prefix lv2:  <http://lv2plug.in/ns/lv2core#> .
 @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
 @prefix rsz:  <http://lv2plug.in/ns/ext/resize-port#> .
@@ -17,12 +18,15 @@ unit:db-display
 	unit:render "%4.1f" ;
 	unit:symbol "dB" .
 
+idpy:queue_draw a lv2:Feature .
+idpy:in_gui a lv2:Feature .
+idpy:interface a lv2:ExtensionData .
+
 <urn:ardour:a-comp>
     a lv2:Plugin, doap:Project, lv2:CompressorPlugin ;
 
-    lv2:optionalFeature <http://lv2plug.in/ns/lv2core#hardRTCapable> ;
-    lv2:optionalFeature <http://harrisonconsoles.com/lv2/inlinedisplay#queue_draw> ;
-    lv2:optionalFeature <http://harrisonconsoles.com/lv2/inlinedisplay#in_gui> ;
+		lv2:extensionData idpy:interface ;
+		lv2:optionalFeature lv2:hardRTCapable, idpy:queue_draw, idpy:in_gui;
 
     lv2:port [
         a lv2:InputPort, lv2:ControlPort ;
@@ -169,5 +173,5 @@ A powerful mono compressor.
 		doap:license <http://usefulinc.com/doap/licenses/gpl> ;
     doap:maintainer <http://ardour.org/credits.html> ;
 
-    lv2:microVersion 0 ;
+    lv2:microVersion 2 ;
     lv2:minorVersion 2 .
diff --git a/libs/plugins/a-delay.lv2/a-delay.ttl.in b/libs/plugins/a-delay.lv2/a-delay.ttl.in
index c5601b48a6..5a0ba4a13b 100644
--- a/libs/plugins/a-delay.lv2/a-delay.ttl.in
+++ b/libs/plugins/a-delay.lv2/a-delay.ttl.in
@@ -1,22 +1,26 @@
 @prefix atom: <http://lv2plug.in/ns/ext/atom#> .
 @prefix doap: <http://usefulinc.com/ns/doap#> .
+@prefix idpy: <http://harrisonconsoles.com/lv2/inlinedisplay#> .
 @prefix foaf: <http://xmlns.com/foaf/0.1/> .
 @prefix lv2:  <http://lv2plug.in/ns/lv2core#> .
+@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
 @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
 @prefix rsz:  <http://lv2plug.in/ns/ext/resize-port#> .
 @prefix unit: <http://lv2plug.in/ns/extensions/units#> .
-@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
 
 <http://ardour.org/credits.html>
 	a foaf:Person ;
 	foaf:name "Ardour Community" ;
 	foaf:homepage <http://ardour.org/> .
 
+idpy:queue_draw a lv2:Feature .
+idpy:interface a lv2:ExtensionData .
+
 <urn:ardour:a-delay>
     a lv2:Plugin, doap:Project, lv2:DelayPlugin ;
 
-    lv2:optionalFeature <http://lv2plug.in/ns/lv2core#hardRTCapable> ;
-		lv2:optionalFeature <http://harrisonconsoles.com/lv2/inlinedisplay#queue_draw> ;
+		lv2:extensionData idpy:interface ;
+		lv2:optionalFeature lv2:hardRTCapable, idpy:queue_draw ;
 
     lv2:requiredFeature <http://lv2plug.in/ns/ext/options#options> ,
                         <http://lv2plug.in/ns/ext/urid#map> ;
@@ -179,5 +183,5 @@ A simple delay plugin
     doap:license "GPL v2+" ;
     doap:maintainer <http://ardour.org/credits.html> ;
 
-    lv2:microVersion 0 ;
+    lv2:microVersion 2 ;
     lv2:minorVersion 4 .
diff --git a/libs/plugins/a-eq.lv2/a-eq.ttl.in b/libs/plugins/a-eq.lv2/a-eq.ttl.in
index d9bc37b58e..d2466bc6ed 100644
--- a/libs/plugins/a-eq.lv2/a-eq.ttl.in
+++ b/libs/plugins/a-eq.lv2/a-eq.ttl.in
@@ -1,10 +1,11 @@
 @prefix doap: <http://usefulinc.com/ns/doap#> .
 @prefix foaf: <http://xmlns.com/foaf/0.1/> .
+@prefix idpy: <http://harrisonconsoles.com/lv2/inlinedisplay#> .
 @prefix lv2:  <http://lv2plug.in/ns/lv2core#> .
+@prefix rdf:  <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
 @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
 @prefix rsz:  <http://lv2plug.in/ns/ext/resize-port#> .
 @prefix unit: <http://lv2plug.in/ns/extensions/units#> .
-@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
 
 <http://ardour.org/credits.html>
 	a foaf:Person ;
@@ -28,12 +29,15 @@ unit:db1
 	unit:render "%4.1f dB" ;
 	unit:symbol "dB" .
 
+idpy:queue_draw a lv2:Feature .
+idpy:in_gui a lv2:Feature .
+idpy:interface a lv2:ExtensionData .
+
 <urn:ardour:a-eq>
     a lv2:Plugin, doap:Project, lv2:FilterPlugin ;
 
-    lv2:optionalFeature <http://lv2plug.in/ns/lv2core#hardRTCapable> ;
-    lv2:optionalFeature <http://harrisonconsoles.com/lv2/inlinedisplay#queue_draw> ;
-    lv2:optionalFeature <http://harrisonconsoles.com/lv2/inlinedisplay#in_gui> ;
+		lv2:extensionData idpy:interface ;
+		lv2:optionalFeature lv2:hardRTCapable, idpy:queue_draw, idpy:in_gui;
 
     lv2:requiredFeature <http://lv2plug.in/ns/ext/options#options> ,
                         <http://lv2plug.in/ns/ext/urid#map> ;
@@ -307,5 +311,5 @@ A basic 4 band EQ.
     doap:license "GPL v2+" ;
     doap:maintainer <http://ardour.org/credits.html> ;
 
-    lv2:microVersion 0 ;
+    lv2:microVersion 2 ;
     lv2:minorVersion 2 .
diff --git a/libs/plugins/a-exp.lv2/a-exp#stereo.ttl.in b/libs/plugins/a-exp.lv2/a-exp#stereo.ttl.in
index 45af4a3133..2c46869b14 100644
--- a/libs/plugins/a-exp.lv2/a-exp#stereo.ttl.in
+++ b/libs/plugins/a-exp.lv2/a-exp#stereo.ttl.in
@@ -1,5 +1,6 @@
 @prefix doap: <http://usefulinc.com/ns/doap#> .
 @prefix foaf: <http://xmlns.com/foaf/0.1/> .
+@prefix idpy: <http://harrisonconsoles.com/lv2/inlinedisplay#> .
 @prefix lv2:  <http://lv2plug.in/ns/lv2core#> .
 @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
 @prefix rsz:  <http://lv2plug.in/ns/ext/resize-port#> .
@@ -10,12 +11,15 @@
 	foaf:name "Ardour Community" ;
 	foaf:homepage <http://ardour.org/> .
 
+idpy:queue_draw a lv2:Feature .
+idpy:in_gui a lv2:Feature .
+idpy:interface a lv2:ExtensionData .
+
 <urn:ardour:a-exp#stereo>
     a lv2:Plugin, doap:Project, lv2:ExpanderPlugin ;
 
-    lv2:optionalFeature <http://lv2plug.in/ns/lv2core#hardRTCapable> ;
-    lv2:optionalFeature <http://harrisonconsoles.com/lv2/inlinedisplay#queue_draw> ;
-    lv2:optionalFeature <http://harrisonconsoles.com/lv2/inlinedisplay#in_gui> ;
+		lv2:extensionData idpy:interface ;
+		lv2:optionalFeature lv2:hardRTCapable, idpy:queue_draw, idpy:in_gui;
 
     lv2:port [
         a lv2:InputPort, lv2:ControlPort ;
@@ -174,5 +178,5 @@ A powerful stereo expander
 		doap:license <http://usefulinc.com/doap/licenses/gpl> ;
     doap:maintainer <http://ardour.org/credits.html> ;
 
-    lv2:microVersion 0 ;
+    lv2:microVersion 2 ;
     lv2:minorVersion 2 .
diff --git a/libs/plugins/a-exp.lv2/a-exp.ttl.in b/libs/plugins/a-exp.lv2/a-exp.ttl.in
index 1bccc2a068..479c5493e3 100644
--- a/libs/plugins/a-exp.lv2/a-exp.ttl.in
+++ b/libs/plugins/a-exp.lv2/a-exp.ttl.in
@@ -1,5 +1,6 @@
 @prefix doap: <http://usefulinc.com/ns/doap#> .
 @prefix foaf: <http://xmlns.com/foaf/0.1/> .
+@prefix idpy: <http://harrisonconsoles.com/lv2/inlinedisplay#> .
 @prefix lv2:  <http://lv2plug.in/ns/lv2core#> .
 @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
 @prefix rsz:  <http://lv2plug.in/ns/ext/resize-port#> .
@@ -17,12 +18,15 @@ unit:db-display
 	unit:render "%4.1f" ;
 	unit:symbol "dB" .
 
+idpy:queue_draw a lv2:Feature .
+idpy:in_gui a lv2:Feature .
+idpy:interface a lv2:ExtensionData .
+
 <urn:ardour:a-exp>
     a lv2:Plugin, doap:Project, lv2:ExpanderPlugin ;
 
-    lv2:optionalFeature <http://lv2plug.in/ns/lv2core#hardRTCapable> ;
-    lv2:optionalFeature <http://harrisonconsoles.com/lv2/inlinedisplay#queue_draw> ;
-    lv2:optionalFeature <http://harrisonconsoles.com/lv2/inlinedisplay#in_gui> ;
+		lv2:extensionData idpy:interface ;
+		lv2:optionalFeature lv2:hardRTCapable, idpy:queue_draw, idpy:in_gui;
 
     lv2:port [
         a lv2:InputPort, lv2:ControlPort ;
@@ -169,5 +173,5 @@ A powerful mono expander
 		doap:license <http://usefulinc.com/doap/licenses/gpl> ;
     doap:maintainer <http://ardour.org/credits.html> ;
 
-    lv2:microVersion 0 ;
+    lv2:microVersion 2 ;
     lv2:minorVersion 2 .
diff --git a/libs/plugins/a-reverb.lv2/a-reverb.ttl.in b/libs/plugins/a-reverb.lv2/a-reverb.ttl.in
index 9395d7ea20..d6da5ab81d 100644
--- a/libs/plugins/a-reverb.lv2/a-reverb.ttl.in
+++ b/libs/plugins/a-reverb.lv2/a-reverb.ttl.in
@@ -20,10 +20,9 @@
 	doap:maintainer <http://ardour.org/credits.html> ;
 	doap:license <http://usefulinc.com/doap/licenses/gpl> ;
 
-	lv2:microVersion 2 ;
+	lv2:microVersion 4 ;
 	lv2:minorVersion 2 ;
 	lv2:optionalFeature lv2:hardRTCapable ;
-	lv2:optionalFeature <http://harrisonconsoles.com/lv2/inlinedisplay#queue_draw> ;
 
 	lv2:port
 	[