diff --git a/CMakeLists.txt b/CMakeLists.txt
index 70a8fca34..0a429ef11 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -517,7 +517,7 @@ endif()
 set(USED_SOURCES ${ENGINE_SOURCES} ${AUDIO_SOURCES} src/main.cpp)
 
 if (USE_BACKWARD)
-  list(APPEND DEPENDENCIES_DEFINES HAVE_BACKWARD)
+  list(APPEND USED_SOURCES src/backtrace.cpp)
   if (WIN32 AND CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
     list(APPEND DEPENDENCIES_LIBRARIES dbghelp psapi)
   endif()
diff --git a/TODO.md b/TODO.md
index 44ea3cd0f..fe7aa13f7 100644
--- a/TODO.md
+++ b/TODO.md
@@ -12,12 +12,9 @@
 - the last three compat flags
 - add OPL drum instrument type
 - Game Boy envelope macro/sequence
-- sample editor preview in selection
 - rewrite the system name detection function anyway
-- unified data view
 - volume commands should work on Game Boy
 - add another FM editor layout
-- try to find out why does VSlider not accept keyboard input
 - if macros have release, note off should release them
 - add ability to select a column by double clicking
 - add ability to move selection by dragging
diff --git a/extern/backward/backward.hpp b/extern/backward/backward.hpp
index e778d58f3..5edda65ad 100644
--- a/extern/backward/backward.hpp
+++ b/extern/backward/backward.hpp
@@ -4490,6 +4490,38 @@ private:
 
     printer.address = true;
     printer.print(st, std::cerr);
+
+#ifdef _WIN32
+    MessageBox(NULL,"Furnace has crashed! please report this to the issue tracker immediately:\r\nhttps://github.com/tildearrow/furnace/issues/new\r\n\r\na file called furnace_crash.txt will be created in your user directory.\r\nthis will be important for locating the origin of the crash.","Error",MB_OK|MB_ICONERROR);
+    std::string crashLocation;
+    char* userProfile=getenv("USERPROFILE");
+    if (userProfile==NULL) {
+      crashLocation="furnace_crash.txt";
+    } else {
+      crashLocation=userProfile;
+      crashLocation+="\\furnace_crash.txt";
+    }
+    FILE* crashDump=fopen(crashLocation.c_str(),"w");
+#else
+    FILE* crashDump=fopen("/tmp/furnace_crash.txt","w");
+#endif
+
+    if (crashDump!=NULL) {
+      Printer printer;
+      printer.address = true;
+      printer.print(st, crashDump);
+      fclose(crashDump);
+    } else {
+#ifdef _WIN32
+      std::string str;
+      //Printer failedPrinter;
+      //failedPrinter.address = true;
+      //failedPrinter.print(st, str);
+      str+="\r\ncould not open furnace_crash.txt!\r\nplease take a screenshot of this error message box!";
+      fprintf(stderr,"NOTICE: could not open furnace_crash.txt!\n");
+      MessageBox(NULL,str.c_str(),"Error",MB_OK|MB_ICONERROR);
+#endif
+    }
   }
 };
 
diff --git a/src/backtrace.cpp b/src/backtrace.cpp
index 402cb647b..68a648ff9 100644
--- a/src/backtrace.cpp
+++ b/src/backtrace.cpp
@@ -39,12 +39,4 @@ namespace backward {
 
 backward::SignalHandling sh;
 
-void checkInitialized() {
-  if (!sh.loaded()) {
-#ifdef _WIN32
-    MessageBox(NULL,"Warning","crash backtrace not available!",MB_OK|MB_ICONWARNING);
-#endif
-  }
-}
-
 } // namespace backward
diff --git a/src/engine/engine.cpp b/src/engine/engine.cpp
index f481d67c9..ea87e901e 100644
--- a/src/engine/engine.cpp
+++ b/src/engine/engine.cpp
@@ -1477,8 +1477,10 @@ int DivEngine::getEffectiveSampleRate(int rate) {
   return rate;
 }
 
-void DivEngine::previewSample(int sample, int note) {
+void DivEngine::previewSample(int sample, int note, int pStart, int pEnd) {
   BUSY_BEGIN;
+  sPreview.pBegin=pStart;
+  sPreview.pEnd=pEnd;
   if (sample<0 || sample>=(int)song.sample.size()) {
     sPreview.sample=-1;
     sPreview.pos=0;
@@ -1495,7 +1497,7 @@ void DivEngine::previewSample(int sample, int note) {
   if (rate<100) rate=100;
   blip_set_rates(samp_bb,rate,got.rate);
   samp_prevSample=0;
-  sPreview.pos=0;
+  sPreview.pos=(sPreview.pBegin>=0)?sPreview.pBegin:0;
   sPreview.sample=sample;
   sPreview.wave=-1;
   sPreview.dir=false;
diff --git a/src/engine/engine.h b/src/engine/engine.h
index 22466d00b..5c95f39fe 100644
--- a/src/engine/engine.h
+++ b/src/engine/engine.h
@@ -340,11 +340,14 @@ class DivEngine {
     int wave;
     unsigned int pos;
     bool dir;
+    int pBegin, pEnd;
     SamplePreview():
       sample(-1),
       wave(-1),
       pos(0),
-      dir(false) {}
+      dir(false),
+      pBegin(-1),
+      pEnd(-1) {}
   } sPreview;
 
   short vibTable[64];
@@ -527,7 +530,7 @@ class DivEngine {
     void syncReset();
 
     // trigger sample preview
-    void previewSample(int sample, int note=-1);
+    void previewSample(int sample, int note=-1, int pStart=-1, int pEnd=-1);
     void stopSamplePreview();
 
     // trigger wave preview
diff --git a/src/engine/playback.cpp b/src/engine/playback.cpp
index d9911bb65..9555c5507 100644
--- a/src/engine/playback.cpp
+++ b/src/engine/playback.cpp
@@ -1173,8 +1173,12 @@ void DivEngine::nextBuf(float** in, float** out, int inChans, int outChans, unsi
     if (sPreview.sample>=0 && sPreview.sample<(int)song.sample.size()) {
       DivSample* s=song.sample[sPreview.sample];
 
+      const bool pBeginVaild=sPreview.pBegin>=0 && sPreview.pBegin<s->samples;
+      const bool pEndVaild=sPreview.pEnd>=0 && sPreview.pEnd<s->samples;
+      const int loopStart=pBeginVaild?sPreview.pBegin:s->loopStart;
+      const int loopEnd=pEndVaild?sPreview.pEnd:(int)s->loopEnd;
       for (size_t i=0; i<prevtotal; i++) {
-        if (sPreview.pos>=s->samples) {
+        if (sPreview.pos>=s->samples || (sPreview.pEnd>=0 && (int)sPreview.pos>=sPreview.pEnd)) {
           samp_temp=0;
         } else {
           samp_temp=s->data16[sPreview.pos];
@@ -1188,19 +1192,19 @@ void DivEngine::nextBuf(float** in, float** out, int inChans, int outChans, unsi
         samp_prevSample=samp_temp;
 
         if (sPreview.dir) {
-          if (s->isLoopable() && ((int)sPreview.pos)<s->loopStart) {
+          if ((s->isLoopable() && sPreview.pos<s->loopEnd) && ((int)sPreview.pos)<loopStart) {
             switch (s->loopMode) {
               case DIV_SAMPLE_LOOPMODE_FORWARD:
                 sPreview.dir=false;
-                sPreview.pos=s->loopStart+1;
+                sPreview.pos=loopStart+1;
                 break;
               case DIV_SAMPLE_LOOPMODE_BACKWARD:
                 sPreview.dir=true;
-                sPreview.pos=s->loopEnd-1;
+                sPreview.pos=loopEnd-1;
                 break;
               case DIV_SAMPLE_LOOPMODE_PINGPONG:
                 sPreview.dir=false;
-                sPreview.pos=s->loopStart+1;
+                sPreview.pos=loopStart+1;
                 break;
               case DIV_SAMPLE_LOOPMODE_ONESHOT:
               default:
@@ -1208,19 +1212,19 @@ void DivEngine::nextBuf(float** in, float** out, int inChans, int outChans, unsi
             }
           }
         } else {
-          if (s->isLoopable() && sPreview.pos>=s->loopEnd) {
+          if ((s->isLoopable() && (int)sPreview.pos>=s->loopStart) && ((int)sPreview.pos)>=loopEnd) {
             switch (s->loopMode) {
               case DIV_SAMPLE_LOOPMODE_FORWARD:
                 sPreview.dir=false;
-                sPreview.pos=s->loopStart;
+                sPreview.pos=loopStart;
                 break;
               case DIV_SAMPLE_LOOPMODE_BACKWARD:
                 sPreview.dir=true;
-                sPreview.pos=s->loopEnd-1;
+                sPreview.pos=loopEnd-1;
                 break;
               case DIV_SAMPLE_LOOPMODE_PINGPONG:
                 sPreview.dir=true;
-                sPreview.pos=s->loopEnd-1;
+                sPreview.pos=loopEnd-1;
                 break;
               case DIV_SAMPLE_LOOPMODE_ONESHOT:
               default:
@@ -1231,19 +1235,19 @@ void DivEngine::nextBuf(float** in, float** out, int inChans, int outChans, unsi
       }
 
       if (sPreview.dir) {
-        if (s->isLoopable() && ((int)sPreview.pos)<s->loopStart) {
+        if ((s->isLoopable() && sPreview.pos<s->loopEnd) && ((int)sPreview.pos)<loopStart) {
           switch (s->loopMode) {
             case DIV_SAMPLE_LOOPMODE_FORWARD:
               sPreview.dir=false;
-              sPreview.pos=s->loopStart+1;
+              sPreview.pos=loopStart+1;
               break;
             case DIV_SAMPLE_LOOPMODE_BACKWARD:
               sPreview.dir=true;
-              sPreview.pos=s->loopEnd-1;
+              sPreview.pos=loopEnd-1;
               break;
             case DIV_SAMPLE_LOOPMODE_PINGPONG:
               sPreview.dir=false;
-              sPreview.pos=s->loopStart+1;
+              sPreview.pos=loopStart+1;
               break;
             case DIV_SAMPLE_LOOPMODE_ONESHOT:
             default:
@@ -1256,19 +1260,19 @@ void DivEngine::nextBuf(float** in, float** out, int inChans, int outChans, unsi
           sPreview.sample=-1;
         }
       } else {
-        if (s->isLoopable() && sPreview.pos>=s->loopEnd) {
+        if ((s->isLoopable() && (int)sPreview.pos>=s->loopStart) && ((int)sPreview.pos)>=loopEnd) {
           switch (s->loopMode) {
             case DIV_SAMPLE_LOOPMODE_FORWARD:
               sPreview.dir=false;
-              sPreview.pos=s->loopStart;
+              sPreview.pos=loopStart;
               break;
             case DIV_SAMPLE_LOOPMODE_BACKWARD:
               sPreview.dir=true;
-              sPreview.pos=s->loopEnd-1;
+              sPreview.pos=loopEnd-1;
               break;
             case DIV_SAMPLE_LOOPMODE_PINGPONG:
               sPreview.dir=true;
-              sPreview.pos=s->loopEnd-1;
+              sPreview.pos=loopEnd-1;
               break;
             case DIV_SAMPLE_LOOPMODE_ONESHOT:
             default:
diff --git a/src/engine/sample.cpp b/src/engine/sample.cpp
index a3d8247ff..514c9cf3b 100644
--- a/src/engine/sample.cpp
+++ b/src/engine/sample.cpp
@@ -727,7 +727,7 @@ void DivSample::render() {
     }
   }
   if (depth!=DIV_SAMPLE_DEPTH_YMZ_ADPCM) { // YMZ ADPCM
-    if (!initInternal(3,samples)) return;
+    if (!initInternal(DIV_SAMPLE_DEPTH_YMZ_ADPCM,samples)) return;
     ymz_encode(data16,dataZ,(samples+7)&(~0x7));
   }
   if (depth!=DIV_SAMPLE_DEPTH_QSOUND_ADPCM) { // QSound ADPCM
@@ -744,7 +744,7 @@ void DivSample::render() {
     ymb_encode(data16,dataB,(samples+511)&(~0x1ff));
   }
   if (depth!=DIV_SAMPLE_DEPTH_8BIT) { // 8-bit PCM
-    if (!initInternal(8,samples)) return;
+    if (!initInternal(DIV_SAMPLE_DEPTH_8BIT,samples)) return;
     for (unsigned int i=0; i<samples; i++) {
       data8[i]=data16[i]>>8;
     }
diff --git a/src/gui/dataList.cpp b/src/gui/dataList.cpp
index 0c0457ea3..4e0979972 100644
--- a/src/gui/dataList.cpp
+++ b/src/gui/dataList.cpp
@@ -39,44 +39,124 @@ void FurnaceGUI::drawInsList() {
   if (ImGui::Begin("Instruments",&insListOpen,globalWinFlags)) {
     if (settings.unifiedDataView) settings.horizontalDataView=0;
     if (ImGui::Button(ICON_FA_PLUS "##InsAdd")) {
-      doAction(GUI_ACTION_INS_LIST_ADD);
+      if (!settings.unifiedDataView) doAction(GUI_ACTION_INS_LIST_ADD);
+    }
+    if (settings.unifiedDataView) {
+      if (ImGui::BeginPopupContextItem("UnifiedAdd",ImGuiMouseButton_Left)) {
+        if (ImGui::MenuItem("instrument")) {
+          doAction(GUI_ACTION_INS_LIST_ADD);
+        }
+        if (ImGui::MenuItem("wavetable")) {
+          doAction(GUI_ACTION_WAVE_LIST_ADD);
+        }
+        if (ImGui::MenuItem("sample (create)")) {
+          doAction(GUI_ACTION_SAMPLE_LIST_ADD);
+        }
+        ImGui::EndPopup();
+      }
     }
     ImGui::SameLine();
     if (ImGui::Button(ICON_FA_FILES_O "##InsClone")) {
-      doAction(GUI_ACTION_INS_LIST_DUPLICATE);
+      if (!settings.unifiedDataView) doAction(GUI_ACTION_INS_LIST_DUPLICATE);
+    }
+    if (settings.unifiedDataView) {
+      if (ImGui::BeginPopupContextItem("UnifiedClone",ImGuiMouseButton_Left)) {
+        if (ImGui::MenuItem("instrument")) {
+          doAction(GUI_ACTION_INS_LIST_DUPLICATE);
+        }
+        if (ImGui::MenuItem("wavetable")) {
+          doAction(GUI_ACTION_WAVE_LIST_DUPLICATE);
+        }
+        if (ImGui::MenuItem("sample")) {
+          doAction(GUI_ACTION_SAMPLE_LIST_DUPLICATE);
+        }
+        ImGui::EndPopup();
+      }
     }
     ImGui::SameLine();
     if (ImGui::Button(ICON_FA_FOLDER_OPEN "##InsLoad")) {
-      doAction(GUI_ACTION_INS_LIST_OPEN);
+      if (!settings.unifiedDataView) doAction(GUI_ACTION_INS_LIST_OPEN);
     }
-    if (ImGui::BeginPopupContextItem("InsOpenOpt")) {
-      if (ImGui::MenuItem("replace...")) {
-        doAction((curIns>=0 && curIns<(int)e->song.ins.size())?GUI_ACTION_INS_LIST_OPEN_REPLACE:GUI_ACTION_INS_LIST_OPEN);
+    if (settings.unifiedDataView) {
+      if (ImGui::BeginPopupContextItem("UnifiedLoad",ImGuiMouseButton_Left)) {
+        if (ImGui::MenuItem("instrument")) {
+          doAction(GUI_ACTION_INS_LIST_OPEN);
+        }
+        if (ImGui::MenuItem("instrument (replace...)")) {
+          doAction((curIns>=0 && curIns<(int)e->song.ins.size())?GUI_ACTION_INS_LIST_OPEN_REPLACE:GUI_ACTION_INS_LIST_OPEN);
+        }
+        if (ImGui::MenuItem("wavetable")) {
+          doAction(GUI_ACTION_WAVE_LIST_OPEN);
+        }
+        if (ImGui::MenuItem("sample")) {
+          doAction(GUI_ACTION_SAMPLE_LIST_OPEN);
+        }
+        ImGui::Separator();
+        if (ImGui::MenuItem("instrument from TX81Z")) {
+          doAction(GUI_ACTION_TX81Z_REQUEST);
+        }
+        ImGui::EndPopup();
       }
-      ImGui::Separator();
-      if (ImGui::MenuItem("load from TX81Z")) {
-        doAction(GUI_ACTION_TX81Z_REQUEST);
+    } else {
+      if (ImGui::BeginPopupContextItem("InsOpenOpt")) {
+        if (ImGui::MenuItem("replace...")) {
+          doAction((curIns>=0 && curIns<(int)e->song.ins.size())?GUI_ACTION_INS_LIST_OPEN_REPLACE:GUI_ACTION_INS_LIST_OPEN);
+        }
+        ImGui::Separator();
+        if (ImGui::MenuItem("load from TX81Z")) {
+          doAction(GUI_ACTION_TX81Z_REQUEST);
+        }
+        ImGui::EndPopup();
+      }
+      if (ImGui::IsItemHovered()) {
+        ImGui::SetTooltip("Open (insert; right-click to replace)");
       }
-      ImGui::EndPopup();
-    }
-    if (ImGui::IsItemHovered()) {
-      ImGui::SetTooltip("Open (insert; right-click to replace)");
     }
     ImGui::SameLine();
     if (ImGui::Button(ICON_FA_FLOPPY_O "##InsSave")) {
-      doAction(GUI_ACTION_INS_LIST_SAVE);
+      if (!settings.unifiedDataView) doAction(GUI_ACTION_INS_LIST_SAVE);
     }
-    ImGui::SameLine();
-    if (ImGui::ArrowButton("InsUp",ImGuiDir_Up)) {
-      doAction(GUI_ACTION_INS_LIST_MOVE_UP);
+    if (settings.unifiedDataView) {
+      if (ImGui::BeginPopupContextItem("UnifiedSave",ImGuiMouseButton_Left)) {
+        if (ImGui::MenuItem("instrument")) {
+          doAction(GUI_ACTION_INS_LIST_SAVE);
+        }
+        if (ImGui::MenuItem("wavetable")) {
+          doAction(GUI_ACTION_WAVE_LIST_SAVE);
+        }
+        if (ImGui::MenuItem("sample")) {
+          doAction(GUI_ACTION_SAMPLE_LIST_SAVE);
+        }
+        ImGui::EndPopup();
+      }
     }
-    ImGui::SameLine();
-    if (ImGui::ArrowButton("InsDown",ImGuiDir_Down)) {
-      doAction(GUI_ACTION_INS_LIST_MOVE_DOWN);
+    if (!settings.unifiedDataView) {
+      ImGui::SameLine();
+      if (ImGui::ArrowButton("InsUp",ImGuiDir_Up)) {
+        doAction(GUI_ACTION_INS_LIST_MOVE_UP);
+      }
+      ImGui::SameLine();
+      if (ImGui::ArrowButton("InsDown",ImGuiDir_Down)) {
+        doAction(GUI_ACTION_INS_LIST_MOVE_DOWN);
+      }
     }
     ImGui::SameLine();
     if (ImGui::Button(ICON_FA_TIMES "##InsDelete")) {
-      doAction(GUI_ACTION_INS_LIST_DELETE);
+      if (!settings.unifiedDataView) doAction(GUI_ACTION_INS_LIST_DELETE);
+    }
+    if (settings.unifiedDataView) {
+      if (ImGui::BeginPopupContextItem("UnifiedDelete",ImGuiMouseButton_Left)) {
+        if (ImGui::MenuItem("instrument")) {
+          doAction(GUI_ACTION_INS_LIST_DELETE);
+        }
+        if (ImGui::MenuItem("wavetable")) {
+          doAction(GUI_ACTION_WAVE_LIST_DELETE);
+        }
+        if (ImGui::MenuItem("sample")) {
+          doAction(GUI_ACTION_SAMPLE_LIST_DELETE);
+        }
+        ImGui::EndPopup();
+      }
     }
     ImGui::Separator();
     int availableRows=ImGui::GetContentRegionAvail().y/ImGui::GetFrameHeight();
@@ -98,6 +178,7 @@ void FurnaceGUI::drawInsList() {
 
       int curRow=0;
       for (int i=-1; i<(int)e->song.ins.size(); i++) {
+        ImGui::PushID(i);
         String name=ICON_FA_CIRCLE_O " - None -";
         const char* insType="Bug!";
         if (i>=0) {
@@ -250,13 +331,13 @@ void FurnaceGUI::drawInsList() {
           curIns=i;
           wavePreviewInit=true;
         }
+        ImGui::PopStyleColor();
         if (wantScrollList && curIns==i) ImGui::SetScrollHereY();
         if (settings.insFocusesPattern && patternOpen && ImGui::IsItemActivated()) {
           nextWindow=GUI_WINDOW_PATTERN;
           curIns=i;
           wavePreviewInit=true;
         }
-        ImGui::PopStyleColor();
         if (ImGui::IsItemHovered() && i>=0) {
           ImGui::SetTooltip("%s",insType);
           if (ImGui::IsMouseDoubleClicked(ImGuiMouseButton_Left)) {
@@ -264,9 +345,25 @@ void FurnaceGUI::drawInsList() {
             nextWindow=GUI_WINDOW_INS_EDIT;
           }
         }
+        if (i>=0) {
+          if (ImGui::BeginPopupContextItem("InsRightMenu")) {
+            curIns=i;
+            if (ImGui::MenuItem("replace...")) {
+              doAction((curIns>=0 && curIns<(int)e->song.ins.size())?GUI_ACTION_INS_LIST_OPEN_REPLACE:GUI_ACTION_INS_LIST_OPEN);
+            }
+            if (ImGui::MenuItem("save")) {
+              doAction(GUI_ACTION_INS_LIST_SAVE);
+            }
+            if (ImGui::MenuItem("delete")) {
+              doAction(GUI_ACTION_INS_LIST_DELETE);
+            }
+            ImGui::EndPopup();
+          }
+        }
         if (settings.horizontalDataView) {
           if (++curRow>=availableRows) curRow=0;
         }
+        ImGui::PopID();
       }
 
       if (settings.unifiedDataView) {
@@ -297,9 +394,14 @@ void FurnaceGUI::drawInsList() {
 void FurnaceGUI::drawWaveList() {
   if (nextWindow==GUI_WINDOW_WAVE_LIST) {
     waveListOpen=true;
-    ImGui::SetNextWindowFocus();
+    if (settings.unifiedDataView) {
+      ImGui::SetWindowFocus("Instruments");
+    } else {
+      ImGui::SetNextWindowFocus();
+    }
     nextWindow=GUI_WINDOW_NOTHING;
   }
+  if (settings.unifiedDataView) return;
   if (!waveListOpen) return;
   if (ImGui::Begin("Wavetables",&waveListOpen,globalWinFlags)) {
     if (ImGui::Button(ICON_FA_PLUS "##WaveAdd")) {
@@ -342,9 +444,14 @@ void FurnaceGUI::drawWaveList() {
 void FurnaceGUI::drawSampleList() {
   if (nextWindow==GUI_WINDOW_SAMPLE_LIST) {
     sampleListOpen=true;
-    ImGui::SetNextWindowFocus();
+    if (settings.unifiedDataView) {
+      ImGui::SetWindowFocus("Instruments");
+    } else {
+      ImGui::SetNextWindowFocus();
+    }
     nextWindow=GUI_WINDOW_NOTHING;
   }
+  if (settings.unifiedDataView) return;
   if (!sampleListOpen) return;
   if (ImGui::Begin("Samples",&sampleListOpen,globalWinFlags)) {
     if (ImGui::Button(ICON_FA_FILE "##SampleAdd")) {
diff --git a/src/gui/gui.cpp b/src/gui/gui.cpp
index 2bf6888fa..40f00e91e 100644
--- a/src/gui/gui.cpp
+++ b/src/gui/gui.cpp
@@ -2243,7 +2243,20 @@ int FurnaceGUI::processEvent(SDL_Event* ev) {
             int key=noteKeys.at(ev->key.keysym.scancode);
             int num=12*curOctave+key;
             if (key!=100 && key!=101 && key!=102) {
-              e->previewSample(curSample,num);
+              int pStart=-1;
+              int pEnd=-1;
+              if (curWindow==GUI_WINDOW_SAMPLE_EDIT) {
+                if (sampleSelStart!=sampleSelEnd) {
+                  pStart=sampleSelStart;
+                  pEnd=sampleSelEnd;
+                  if (pStart>pEnd) {
+                    pStart^=pEnd;
+                    pEnd^=pStart;
+                    pStart^=pEnd;
+                  }
+                }
+              }
+              e->previewSample(curSample,num,pStart,pEnd);
               samplePreviewOn=true;
               samplePreviewKey=ev->key.keysym.scancode;
               samplePreviewNote=num;
@@ -2947,9 +2960,13 @@ bool FurnaceGUI::loop() {
       if (ImGui::BeginMenu("window")) {
         if (ImGui::MenuItem("song information",BIND_FOR(GUI_ACTION_WINDOW_SONG_INFO),songInfoOpen)) songInfoOpen=!songInfoOpen;
         if (ImGui::MenuItem("subsongs",BIND_FOR(GUI_ACTION_WINDOW_SUBSONGS),subSongsOpen)) subSongsOpen=!subSongsOpen;
-        if (ImGui::MenuItem("instruments",BIND_FOR(GUI_ACTION_WINDOW_INS_LIST),insListOpen)) insListOpen=!insListOpen;
-        if (ImGui::MenuItem("wavetables",BIND_FOR(GUI_ACTION_WINDOW_WAVE_LIST),waveListOpen)) waveListOpen=!waveListOpen;
-        if (ImGui::MenuItem("samples",BIND_FOR(GUI_ACTION_WINDOW_SAMPLE_LIST),sampleListOpen)) sampleListOpen=!sampleListOpen;
+        if (settings.unifiedDataView) {
+          if (ImGui::MenuItem("assets",BIND_FOR(GUI_ACTION_WINDOW_INS_LIST),insListOpen)) insListOpen=!insListOpen;
+        } else {
+          if (ImGui::MenuItem("instruments",BIND_FOR(GUI_ACTION_WINDOW_INS_LIST),insListOpen)) insListOpen=!insListOpen;
+          if (ImGui::MenuItem("wavetables",BIND_FOR(GUI_ACTION_WINDOW_WAVE_LIST),waveListOpen)) waveListOpen=!waveListOpen;
+          if (ImGui::MenuItem("samples",BIND_FOR(GUI_ACTION_WINDOW_SAMPLE_LIST),sampleListOpen)) sampleListOpen=!sampleListOpen;
+        }
         if (ImGui::MenuItem("orders",BIND_FOR(GUI_ACTION_WINDOW_ORDERS),ordersOpen)) ordersOpen=!ordersOpen;
         if (ImGui::MenuItem("pattern",BIND_FOR(GUI_ACTION_WINDOW_PATTERN),patternOpen)) patternOpen=!patternOpen;
         if (ImGui::MenuItem("mixer",BIND_FOR(GUI_ACTION_WINDOW_MIXER),mixerOpen)) mixerOpen=!mixerOpen;
diff --git a/src/main.cpp b/src/main.cpp
index 995fa6f04..079058528 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -39,10 +39,6 @@
 #include "gui/gui.h"
 #endif
 
-#ifdef HAVE_BACKWARD
-#include "../extern/backward/backward.hpp"
-#endif
-
 DivEngine e;
 
 #ifdef HAVE_GUI
@@ -246,7 +242,6 @@ void initParams() {
 // TODO: CoInitializeEx on Windows?
 // TODO: add crash log
 int main(int argc, char** argv) {
-  backward::SignalHandling sh;
   initLog();
 #if !(defined(__APPLE__) || defined(_WIN32) || defined(ANDROID))
   // workaround for Wayland HiDPI issue
@@ -306,12 +301,6 @@ int main(int argc, char** argv) {
     }
   }
 
-  if (!sh.loaded()) {
-#ifdef _WIN32
-    MessageBox(NULL,"Warning","crash backtrace not available!",MB_OK|MB_ICONWARNING);
-#endif
-  }
-
   e.setConsoleMode(consoleMode);
 
 #ifdef _WIN32