diff --git a/Makefile b/Makefile
index 88108cf..f652f4d 100644
--- a/Makefile
+++ b/Makefile
@@ -86,6 +86,7 @@ BOOTSTRAP_FILES  = $(PAWPAW_PREFIX)/bin/cxfreeze-quickstart
 endif
 BOOTSTRAP_FILES += $(PAWPAW_PREFIX)/bin/jackd$(APP_EXT)
 BOOTSTRAP_FILES += $(PAWPAW_PREFIX)/include/armadillo
+BOOTSTRAP_FILES += $(PAWPAW_PREFIX)/lib/jack/jack_mod-desktop$(SO_EXT)
 
 # ---------------------------------------------------------------------------------------------------------------------
 # List of files for mod-desktop packaging, often symlinks to the real files
@@ -299,6 +300,9 @@ clean:
 	rm -rf build-pedalboard
 	rm -rf build-ui
 
+jack:
+	./utils/run.sh $(PAWPAW_TARGET) $(MAKE) HAVE_OPENGL=true NOOPT=true -C src/plugin jack
+
 src/DPF/utils/lv2_ttl_generator$(APP_EXT):
 	./utils/run.sh $(PAWPAW_TARGET) $(MAKE) NOOPT=true -C src/DPF/utils/lv2-ttl-generator
 
diff --git a/src/mod-ui b/src/mod-ui
index a1e043c..5d52614 160000
--- a/src/mod-ui
+++ b/src/mod-ui
@@ -1 +1 @@
-Subproject commit a1e043cb5886fb61d193fd97ec49b280e63f1a5e
+Subproject commit 5d52614d634a31cf7409ba537160b9baf21cfe6e
diff --git a/src/plugin/DesktopPlugin.cpp b/src/plugin/DesktopPlugin.cpp
index a66ff4e..47284aa 100644
--- a/src/plugin/DesktopPlugin.cpp
+++ b/src/plugin/DesktopPlugin.cpp
@@ -11,6 +11,8 @@
 #include "utils.hpp"
 #include "zita-resampler/resampler.h"
 
+#include <atomic>
+
 START_NAMESPACE_DISTRHO
 
 // -----------------------------------------------------------------------------------------------------------
@@ -24,7 +26,7 @@ class DesktopPlugin : public Plugin,
     String currentPedalboard;
     bool startingJackd = false;
     bool startingModUI = false;
-    bool processing = false;
+    std::atomic<bool> processing { false };
     bool shouldStartRunner = true;
     float parameters[kParameterCount] = {};
     float* tempBuffers[2] = {};
@@ -384,10 +386,6 @@ class DesktopPlugin : public Plugin,
             if (portBaseNum > 0 && run())
                 startRunner(500);
         }
-        else
-        {
-            shm.reset();
-        }
 
         // make sure we have enough space to cover everything
         const double sampleRate = getSampleRate();
@@ -407,7 +405,7 @@ class DesktopPlugin : public Plugin,
         std::memset(tempBuffers[1], 0, sizeof(float) * numSamplesInTempBuffers);
 
         numSamplesUntilProcessing = d_isNotEqual(sampleRate, 48000.0)
-                                  ? d_nextPowerOf2(128.0 * (sampleRate / 48000.0))
+                                  ? d_roundToUnsignedInt(128.0 * (sampleRate / 48000.0))
                                   : 128;
 
         setLatency(numSamplesUntilProcessing);
@@ -459,6 +457,9 @@ class DesktopPlugin : public Plugin,
 
             audioBufferIn.read(shmbuffers, 128);
 
+            // TODO bring back midi
+            shm.data->midiEventCount = 0;
+
             if (! shm.process())
             {
                 d_stdout("shm processing failed");
diff --git a/src/plugin/SharedMemory.hpp b/src/plugin/SharedMemory.hpp
index 3e28b81..ac582b5 100644
--- a/src/plugin/SharedMemory.hpp
+++ b/src/plugin/SharedMemory.hpp
@@ -326,21 +326,14 @@ class SharedMemory
 
     // ----------------------------------------------------------------------------------------------------------------
 
-    void reset()
+    bool sync()
     {
         if (data == nullptr)
-            return;
+            return false;
 
         data->midiEventCount = 0;
         std::memset(data->audio, 0, sizeof(float) * 128 * 2);
-    }
 
-    bool sync()
-    {
-        if (data == nullptr)
-            return false;
-
-        reset();
         post();
         return wait();
     }
@@ -351,9 +344,12 @@ class SharedMemory
             return;
 
         data->magic = 7331;
+        data->midiEventCount = 0;
+        std::memset(data->audio, 0, sizeof(float) * 128 * 2);
+
         post();
-        wait();
-        data->magic = 1337;
+        if (wait())
+            data->magic = 1337;
     }
 
     bool process()
@@ -365,8 +361,6 @@ class SharedMemory
         return wait();
     }
 
-    // ----------------------------------------------------------------------------------------------------------------
-
 private:
     // ----------------------------------------------------------------------------------------------------------------
     // shared memory details
diff --git a/src/plugin/WebView.mm b/src/plugin/WebView.mm
index 1b7bb2f..e1ab108 100644
--- a/src/plugin/WebView.mm
+++ b/src/plugin/WebView.mm
@@ -29,8 +29,8 @@
                                    DISTRHO_UI_DEFAULT_WIDTH,
                                    DISTRHO_UI_DEFAULT_HEIGHT - kVerticalOffset);
 
-    WKWebView* const webview = [[WKWebView alloc] initWithFrame: rect];
-    [[[webview configuration] preferences] setValue: @(true) forKey: @"developerExtrasEnabled"];
+    WKWebView* const webview = [[WKWebView alloc] initWithFrame:rect];
+    [[[webview configuration] preferences] setValue:@(true) forKey:@"developerExtrasEnabled"];
     [view addSubview:webview];
 
     char url[32];
@@ -42,7 +42,7 @@
     NSURLRequest* const urlreq = [[NSURLRequest alloc] initWithURL: [NSURL URLWithString: nsurl]];
     [nsurl release];
 
-    [webview loadRequest: urlreq];
+    [webview loadRequest:urlreq];
     [webview setHidden:NO];
 
     return new WebViewImpl{view, webview, urlreq};
@@ -63,7 +63,7 @@ void reloadWebView(void* const webview, uint)
 {
     WebViewImpl* const impl = static_cast<WebViewImpl*>(webview);
 
-    [impl->webview loadRequest: impl->urlreq];
+    [impl->webview loadRequest:impl->urlreq];
 }
 
 void resizeWebView(void* const webview, const uint offset, const uint width, const uint height)