diff --git a/assets/gui.frag.spv b/assets/gui.frag.spv
index 642d426..fc0c95d 100644
Binary files a/assets/gui.frag.spv and b/assets/gui.frag.spv differ
diff --git a/assets/gui.vert.spv b/assets/gui.vert.spv
index 7565cdd..72d0979 100644
Binary files a/assets/gui.vert.spv and b/assets/gui.vert.spv differ
diff --git a/build.sh b/build.sh
index 3bfa50a..2878705 100755
--- a/build.sh
+++ b/build.sh
@@ -4,7 +4,7 @@ set -eu
 # SHADERS
 
 shader_compiler="glslc"
-shader_flags="--target-spv=spv1.5 -std=460 --target-env=vulkan1.2"
+shader_flags="-std=460 -O --target-env=vulkan1.2"
 shader_out="-oassets/"
 
 mkdir -p build
diff --git a/dub.json b/dub.json
index ee30fc8..b449e9e 100644
--- a/dub.json
+++ b/dub.json
@@ -13,10 +13,10 @@
 			"sourcePaths": ["src/editor", "src/dlib", "src/dlib/external/xxhash", "src/VulkanRenderer"],
 			"libs-linux": ["xcb", "X11", "X11-xcb", "vulkan", "stdc++", "xcb-xfixes", "freetype"],
 			"libs-windows": [],
-			"versions": [],
+			"versions": ["VULKAN_DEBUG"],
 			"preGenerateCommands-linux": ["./build.sh"],
 			"preGenerateCommands-windows": [],
-			"dflags": ["-Xcc=-mno-sse", "-P-I/usr/include/freetype2", "-Jbuild", "-Jassets"],
+			"dflags": ["-Xcc=-mno-sse", "-P-I/usr/include/freetype2", "-Jbuild", "-Jassets", "-g"],
 			"dflags-dmd": ["-P=-DSTBI_NO_SIMD"]
 		},
 	]
diff --git a/src/VulkanRenderer b/src/VulkanRenderer
index 7a77505..fa33e37 160000
--- a/src/VulkanRenderer
+++ b/src/VulkanRenderer
@@ -1 +1 @@
-Subproject commit 7a77505fc100da21a5bf804e415be8eb1f36ba19
+Subproject commit fa33e37c002b4ef98ab9d4d88f551c440be4436f
diff --git a/src/editor/editor.d b/src/editor/editor.d
index ae6c80e..e0516de 100644
--- a/src/editor/editor.d
+++ b/src/editor/editor.d
@@ -285,10 +285,13 @@ AddEditor(EditorCtx* ctx, UIPanel* target, Axis2D axis)
 
 		SetFocusedPanel(second);
 
-		panels[panel_count+0] = first;
-		panels[panel_count+1] = second;
+		debug
+		{
+			panels[panel_count+0] = first;
+			panels[panel_count+1] = second;
 
-		panel_count += 2;
+			panel_count += 2;
+		}
 	}
 	else if(target.parent.axis == axis)
 	{
@@ -316,7 +319,7 @@ AddEditor(EditorCtx* ctx, UIPanel* target, Axis2D axis)
 		}
 	}
 
-	for(u64 i = 0; i < panel_count; i += 1)
+	debug for(u64 i = 0; i < panel_count; i += 1)
 	{
 		bool root_found = false;
 		for(UIPanel* p = panels[i]; !Nil(p); p = p.parent)