diff --git a/demos/arcade/Tubelectric_Fictional_Arcade.fur b/demos/arcade/Tubelectric_Fictional_Arcade.fur
index 147c2ed31..08929eddf 100644
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diff --git a/demos/arcade/UT99_Run_TaitoArcade.fur b/demos/arcade/UT99_Run_TaitoArcade.fur
index 2bdf02421..bc46eb3aa 100644
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diff --git a/demos/genesis/Fancy_Promenard.fur b/demos/genesis/Fancy_Promenard.fur
new file mode 100644
index 000000000..f0ec68a97
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diff --git a/demos/genesis/Stereotactics_Rewritten.fur b/demos/genesis/Stereotactics_Rewritten.fur
index 6e0787241..f2190c8c6 100644
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diff --git a/demos/multichip/Jet_Pack_Adventure_GBAesque.fur b/demos/multichip/Jet_Pack_Adventure_GBAesque.fur
index 928c4bd68..8f4308135 100644
Binary files a/demos/multichip/Jet_Pack_Adventure_GBAesque.fur and b/demos/multichip/Jet_Pack_Adventure_GBAesque.fur differ
diff --git a/demos/opl/Sliding_on_a_Rainbow.fur b/demos/opl/Sliding_on_a_Rainbow.fur
new file mode 100644
index 000000000..934fda703
Binary files /dev/null and b/demos/opl/Sliding_on_a_Rainbow.fur differ
diff --git a/demos/snes/MM8_Frost_Man.fur b/demos/snes/MM8_Frost_Man.fur
index bad1ceeef..f49221ee9 100644
Binary files a/demos/snes/MM8_Frost_Man.fur and b/demos/snes/MM8_Frost_Man.fur differ
diff --git a/src/gui/about.cpp b/src/gui/about.cpp
index fa020b98a..449a2714e 100644
--- a/src/gui/about.cpp
+++ b/src/gui/about.cpp
@@ -85,6 +85,7 @@ const char* aboutLine[]={
   "Fragmare",
   "freq-mod",
   "gtr3qq",
+  "Hortus",
   "iyatemu",
   "JayBOB18",
   "Jimmy-DS",
@@ -102,6 +103,7 @@ const char* aboutLine[]={
   "MelonadeM",
   "Miker",
   "nicco1690",
+  "niffuM",
   "<nk>",
   "NyaongI",
   "potatoTeto",
diff --git a/src/gui/gui.cpp b/src/gui/gui.cpp
index a6fab88fc..f1238834d 100644
--- a/src/gui/gui.cpp
+++ b/src/gui/gui.cpp
@@ -6016,7 +6016,14 @@ bool FurnaceGUI::init() {
 #endif
 
   // initialize SDL
-  SDL_Init(SDL_INIT_VIDEO|SDL_INIT_HAPTIC);
+  if (SDL_Init(SDL_INIT_VIDEO)!=0) {
+    logE("could not initialize video! %s",SDL_GetError());
+    return false;
+  }
+
+  if (SDL_Init(SDL_INIT_HAPTIC)!=0) {
+    logW("could not initialize haptic! %s",SDL_GetError());
+  }
 
   const char* videoBackend=SDL_GetCurrentVideoDriver();
   if (videoBackend!=NULL) {
@@ -6229,7 +6236,12 @@ bool FurnaceGUI::init() {
   // special consideration for Wayland
   if (settings.dpiScale<0.5f) {
     if (strcmp(videoBackend,"wayland")==0) {
-      dpiScale=(double)canvasW/(double)scrW;
+      if (scrW<1) {
+        logW("screen width is zero!\n");
+        dpiScale=1.0;
+      } else {
+        dpiScale=(double)canvasW/(double)scrW;
+      }
     }
   }