diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 9c4b11c46..b27ee2d8f 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -11,20 +11,20 @@ defaults:
     shell: bash
 
 env:
-  BUILD_TYPE: Release
+  BUILD_TYPE: Debug
 
 jobs:
   build:
     strategy:
       matrix:
         config:
-          - { name: 'Windows MSVC x86', os: windows-latest, compiler: msvc, arch: x86 }
+          #- { name: 'Windows MSVC x86', os: windows-latest, compiler: msvc, arch: x86 }
           - { name: 'Windows MSVC x86_64', os: windows-latest, compiler: msvc, arch: x86_64 }
-          - { name: 'Windows MinGW x86', os: ubuntu-20.04, compiler: mingw, arch: x86 }
-          - { name: 'Windows MinGW x86_64', os: ubuntu-20.04, compiler: mingw, arch: x86_64 }
-          - { name: 'macOS x86_64', os: macos-latest, arch: x86_64 }
-          - { name: 'macOS ARM', os: macos-latest, arch: arm64 }
-          - { name: 'Linux x86_64', os: ubuntu-18.04, arch: x86_64 }
+          #- { name: 'Windows MinGW x86', os: ubuntu-20.04, compiler: mingw, arch: x86 }
+          #- { name: 'Windows MinGW x86_64', os: ubuntu-20.04, compiler: mingw, arch: x86_64 }
+          #- { name: 'macOS x86_64', os: macos-latest, arch: x86_64 }
+          #- { name: 'macOS ARM', os: macos-latest, arch: arm64 }
+          #- { name: 'Linux x86_64', os: ubuntu-18.04, arch: x86_64 }
           #- { name: 'Linux ARM', os: ubuntu-18.04, arch: armhf }
       fail-fast: false
 
diff --git a/extern/nfd-modified/src/nfd_win.cpp b/extern/nfd-modified/src/nfd_win.cpp
index b4fa5a5fa..e4342243c 100644
--- a/extern/nfd-modified/src/nfd_win.cpp
+++ b/extern/nfd-modified/src/nfd_win.cpp
@@ -30,6 +30,9 @@
 // hack I know
 #include "../../../src/utfutils.h"
 
+// hack 2...
+#include "../../../src/ta-log.h"
+
 class NFDWinEvents: public IFileDialogEvents {
   nfdselcallback_t selCallback;
   size_t refCount;
@@ -38,21 +41,21 @@ class NFDWinEvents: public IFileDialogEvents {
   }
   public:
     IFACEMETHODIMP QueryInterface(REFIID riid, void** ppv) {
-      printf("QueryInterface called DAMN IT\n");
+      logV("%p: QueryInterface called DAMN IT",(const void*)this);
       *ppv=NULL;
       return E_NOTIMPL;
     }
 
     IFACEMETHODIMP_(ULONG) AddRef() {
-      printf("AddRef() called\n");
+      logV("%p: AddRef() called",(const void*)this);
       return InterlockedIncrement(&refCount);
     }
 
     IFACEMETHODIMP_(ULONG) Release() {
-      printf("Release() called\n");
+      logV("%p: Release() called",(const void*)this);
       LONG ret=InterlockedDecrement(&refCount);
       if (ret==0) {
-        printf("Destroying the final object.\n");
+        logV("%p: Destroying the final object.",(const void*)this);
         delete this;
       }
       return ret;
@@ -67,30 +70,40 @@ class NFDWinEvents: public IFileDialogEvents {
 
     IFACEMETHODIMP OnSelectionChange(IFileDialog* dialog) {
       // Get the file name
+      logV("%p: OnSelectionChange() called",(const void*)this);
       ::IShellItem *shellItem(NULL);
+      logV("%p: GetCurrentSelection",(const void*)this);
       HRESULT result = dialog->GetCurrentSelection(&shellItem);
       if ( !SUCCEEDED(result) )
       {
-        printf("failure!\n");
+        logV("%p: failure!",(const void*)this);
         return S_OK;
       }
       wchar_t *filePath(NULL);
       result = shellItem->GetDisplayName(::SIGDN_FILESYSPATH, &filePath);
       if ( !SUCCEEDED(result) )
       {
-          printf("GDN failure!\n");
+          logV("%p: GDN failure!",(const void*)this);
           shellItem->Release();
           return S_OK;
       }
       std::string utf8FilePath=utf16To8(filePath);
-      if (selCallback!=NULL) selCallback(utf8FilePath.c_str());
-      printf("I got you for a value of %s\n",utf8FilePath.c_str());
+      if (selCallback!=NULL) {
+        logV("%p: calling back.",(const void*)this);
+        selCallback(utf8FilePath.c_str());
+        logV("%p: end of callback",(const void*)this);
+      } else {
+        logV("%p: no callback.",(const void*)this);
+      }
+      logV("%p: I got you for a value of %s",(const void*)this,utf8FilePath.c_str());
       shellItem->Release();
+      logV("%p: shellItem->Release()",(const void*)this);
       return S_OK;
     }
     NFDWinEvents(nfdselcallback_t callback):
       selCallback(callback),
       refCount(1) {
+        logV("%p: CONSTRUCT!",(const void*)this);
     }
 };
 
diff --git a/src/audio/rtmidi.cpp b/src/audio/rtmidi.cpp
index 258f69292..568ea0614 100644
--- a/src/audio/rtmidi.cpp
+++ b/src/audio/rtmidi.cpp
@@ -58,7 +58,7 @@ bool TAMidiInRtMidi::gather() {
       if (m.type!=TA_MIDI_SYSEX && msg.size()>1) {
         memcpy(m.data,msg.data()+1,MIN(msg.size()-1,7));
       } else if (m.type==TA_MIDI_SYSEX) {
-        m.sysExData.reset(new unsigned char[msg.size()]);
+        m.sysExData=std::shared_ptr<unsigned char>(new unsigned char[msg.size()],std::default_delete<unsigned char[]>());
         m.sysExLen=msg.size();
         logD("got a SysEx of length %ld!",msg.size());
         memcpy(m.sysExData.get(),msg.data(),msg.size());
diff --git a/src/gui/doAction.cpp b/src/gui/doAction.cpp
index 288a5504d..2b3a27497 100644
--- a/src/gui/doAction.cpp
+++ b/src/gui/doAction.cpp
@@ -163,7 +163,7 @@ void FurnaceGUI::doAction(int what) {
     case GUI_ACTION_TX81Z_REQUEST: {
       TAMidiMessage msg;
       msg.type=TA_MIDI_SYSEX;
-      msg.sysExData.reset(new unsigned char[15]);
+      msg.sysExData.reset(new unsigned char[15],std::default_delete<unsigned char[]>());
       msg.sysExLen=15;
       memcpy(msg.sysExData.get(),avRequest,15);
       if (!e->sendMidiMessage(msg)) {