diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index db45747..957378e 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -1,7 +1,12 @@
 name: build
 
-on: [push]
-
+on:
+  push:
+    branches:
+      - '*'
+  pull_request:
+    branches:
+      - '*'
 env:
   DEBIAN_FRONTEND: noninteractive
   HOMEBREW_NO_AUTO_UPDATE: 1
diff --git a/dpf/dgl/src/nanovg/nanovg.c b/dpf/dgl/src/nanovg/nanovg.c
index 0c75b17..c92af25 100644
--- a/dpf/dgl/src/nanovg/nanovg.c
+++ b/dpf/dgl/src/nanovg/nanovg.c
@@ -2592,6 +2592,11 @@ float nvgText(NVGcontext* ctx, float x, float y, const char* string, const char*
 		nvgTransformPoint(&c[6],&c[7], state->xform, q.x0*invscale, q.y1*invscale);
 		// Create triangles
 		if (nverts+6 <= cverts) {
+#if NVG_FONT_TEXTURE_FLAGS
+			// align font kerning to integer pixel positions
+			for (int i = 0; i < 8; ++i)
+				c[i] = (int)(c[i] + 0.5f);
+#endif
 			nvg__vset(&verts[nverts], c[0], c[1], q.s0, q.t0); nverts++;
 			nvg__vset(&verts[nverts], c[4], c[5], q.s1, q.t1); nverts++;
 			nvg__vset(&verts[nverts], c[2], c[3], q.s1, q.t0); nverts++;
diff --git a/plugins/3BandEQ/DistrhoPlugin3BandEQ.cpp b/plugins/3BandEQ/DistrhoPlugin3BandEQ.cpp
index 92ce595..579b697 100644
--- a/plugins/3BandEQ/DistrhoPlugin3BandEQ.cpp
+++ b/plugins/3BandEQ/DistrhoPlugin3BandEQ.cpp
@@ -40,6 +40,13 @@ DistrhoPlugin3BandEQ::DistrhoPlugin3BandEQ()
 // -----------------------------------------------------------------------
 // Init
 
+void DistrhoPlugin3BandEQ::initAudioPort(bool input, uint32_t index, AudioPort& port)
+{
+    port.groupId = kPortGroupStereo;
+
+    Plugin::initAudioPort(input, index, port);
+}
+
 void DistrhoPlugin3BandEQ::initParameter(uint32_t index, Parameter& parameter)
 {
     switch (index)
diff --git a/plugins/3BandEQ/DistrhoPlugin3BandEQ.hpp b/plugins/3BandEQ/DistrhoPlugin3BandEQ.hpp
index 9ecda30..d49d4c5 100644
--- a/plugins/3BandEQ/DistrhoPlugin3BandEQ.hpp
+++ b/plugins/3BandEQ/DistrhoPlugin3BandEQ.hpp
@@ -82,6 +82,7 @@ protected:
     // -------------------------------------------------------------------
     // Init
 
+    void initAudioPort(bool input, uint32_t index, AudioPort& port) override;
     void initParameter(uint32_t index, Parameter& parameter) override;
     void initProgramName(uint32_t index, String& programName) override;
 
diff --git a/plugins/MVerb/DistrhoPluginMVerb.cpp b/plugins/MVerb/DistrhoPluginMVerb.cpp
index c6d0f33..85af6e1 100644
--- a/plugins/MVerb/DistrhoPluginMVerb.cpp
+++ b/plugins/MVerb/DistrhoPluginMVerb.cpp
@@ -1,7 +1,7 @@
 /*
  * DISTRHO MVerb, a DPF'ied MVerb.
  * Copyright (c) 2010 Martin Eastwood
- * Copyright (C) 2015 Filipe Coelho <falktx@falktx.com>
+ * Copyright (C) 2015-2022 Filipe Coelho <falktx@falktx.com>
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License as
@@ -34,6 +34,13 @@ DistrhoPluginMVerb::DistrhoPluginMVerb()
 // -----------------------------------------------------------------------
 // Init
 
+void DistrhoPluginMVerb::initAudioPort(bool input, uint32_t index, AudioPort& port)
+{
+    port.groupId = kPortGroupStereo;
+
+    Plugin::initAudioPort(input, index, port);
+}
+
 void DistrhoPluginMVerb::initParameter(uint32_t index, Parameter& parameter)
 {
     parameter.unit       = "%";
diff --git a/plugins/MVerb/DistrhoPluginMVerb.hpp b/plugins/MVerb/DistrhoPluginMVerb.hpp
index e876527..f2966d8 100644
--- a/plugins/MVerb/DistrhoPluginMVerb.hpp
+++ b/plugins/MVerb/DistrhoPluginMVerb.hpp
@@ -1,7 +1,7 @@
 /*
  * DISTRHO MVerb, a DPF'ied MVerb.
  * Copyright (c) 2010 Martin Eastwood
- * Copyright (C) 2015 Filipe Coelho <falktx@falktx.com>
+ * Copyright (C) 2015-2022 Filipe Coelho <falktx@falktx.com>
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License as
@@ -73,6 +73,7 @@ protected:
     // -------------------------------------------------------------------
     // Init
 
+    void initAudioPort(bool input, uint32_t index, AudioPort& port) override;
     void initParameter(uint32_t index, Parameter& parameter) override;
     void initProgramName(uint32_t index, String& programName) override;
 
diff --git a/plugins/PingPongPan/DistrhoPluginPingPongPan.cpp b/plugins/PingPongPan/DistrhoPluginPingPongPan.cpp
index 39f43e1..6c3d1f8 100644
--- a/plugins/PingPongPan/DistrhoPluginPingPongPan.cpp
+++ b/plugins/PingPongPan/DistrhoPluginPingPongPan.cpp
@@ -38,6 +38,13 @@ DistrhoPluginPingPongPan::DistrhoPluginPingPongPan()
 // -----------------------------------------------------------------------
 // Init
 
+void DistrhoPluginPingPongPan::initAudioPort(bool input, uint32_t index, AudioPort& port)
+{
+    port.groupId = kPortGroupStereo;
+
+    Plugin::initAudioPort(input, index, port);
+}
+
 void DistrhoPluginPingPongPan::initParameter(uint32_t index, Parameter& parameter)
 {
     switch (index)
diff --git a/plugins/PingPongPan/DistrhoPluginPingPongPan.hpp b/plugins/PingPongPan/DistrhoPluginPingPongPan.hpp
index 93055e4..fbda80b 100644
--- a/plugins/PingPongPan/DistrhoPluginPingPongPan.hpp
+++ b/plugins/PingPongPan/DistrhoPluginPingPongPan.hpp
@@ -78,6 +78,7 @@ protected:
     // -------------------------------------------------------------------
     // Init
 
+    void initAudioPort(bool input, uint32_t index, AudioPort& port) override;
     void initParameter(uint32_t index, Parameter& parameter) override;
     void initProgramName(uint32_t index, String& programName) override;