diff --git a/Makefile b/Makefile
index 33a626739..e762f9327 100644
--- a/Makefile
+++ b/Makefile
@@ -714,19 +714,31 @@ ifeq ($(OS),Windows_NT)
 	@echo 'Vulkan Shaders Rebuilt for Windows...'
 else
 	@echo 'Now rebuilding vulkan shaders for Linux...'
+	@chmod +x vulkan-shaders-gen
 	@echo 'Checking if system glslc-linux binary is usable...'
 	@GLSLC_BIN=$$( \
-		if command -v glslc >/dev/null 2>&1 && glslc --version 2>/dev/null | grep -q "glslang"; then \
-			echo "glslc"; \
-		elif [ -x ./glslc-linux ]; then \
+		if [ -n "$$LLAMA_USE_BUNDLED_GLSLC" ]; then \
 			chmod +x ./glslc-linux; \
-			if ./glslc-linux --version 2>/dev/null | grep -q "glslang"; then \
+			if [ -x ./glslc-linux ] && ./glslc-linux --version 2>/dev/null | grep -q "glslang"; then \
 				echo "./glslc-linux"; \
+			elif command -v glslc >/dev/null 2>&1; then \
+				echo "glslc"; \
 			else \
 				echo ""; \
 			fi; \
 		else \
-			echo ""; \
+			if command -v glslc >/dev/null 2>&1 && glslc --version 2>/dev/null | grep -q "glslang"; then \
+				echo "glslc"; \
+			elif [ -x ./glslc-linux ]; then \
+				chmod +x ./glslc-linux; \
+				if ./glslc-linux --version 2>/dev/null | grep -q "glslang"; then \
+					echo "./glslc-linux"; \
+				else \
+					echo ""; \
+				fi; \
+			else \
+				echo ""; \
+			fi; \
 		fi); \
 	if [ -z "$$GLSLC_BIN" ]; then \
 		echo "Error: No usable glslc found. Vulkan shaders cannot be compiled!"; \
@@ -746,15 +758,32 @@ ifeq ($(OS),Windows_NT)
 	@echo 'Vulkan Shaders (no extensions) Rebuilt for Windows...'
 else
 	@echo 'Now rebuilding vulkan shaders (no extensions) for Linux...'
-	@chmod +x vulkan-shaders-gen-noext glslc-linux
-	@echo 'Checking if bundled glslc-linux binary is usable...'
-	@GLSLC_BIN=$$(if ./glslc-linux --version >/dev/null 2>&1; then \
-		echo "./glslc-linux"; \
-	elif command -v glslc >/dev/null 2>&1; then \
-		echo "glslc"; \
-	else \
-		echo ""; \
-	fi); \
+	@chmod +x vulkan-shaders-gen-noext
+	@echo 'Checking if system glslc-linux binary is usable...'
+	@GLSLC_BIN=$$( \
+		if [ -n "$$LLAMA_USE_BUNDLED_GLSLC" ]; then \
+			chmod +x ./glslc-linux; \
+			if [ -x ./glslc-linux ] && ./glslc-linux --version 2>/dev/null | grep -q "glslang"; then \
+				echo "./glslc-linux"; \
+			elif command -v glslc >/dev/null 2>&1; then \
+				echo "glslc"; \
+			else \
+				echo ""; \
+			fi; \
+		else \
+			if command -v glslc >/dev/null 2>&1 && glslc --version 2>/dev/null | grep -q "glslang"; then \
+				echo "glslc"; \
+			elif [ -x ./glslc-linux ]; then \
+				chmod +x ./glslc-linux; \
+				if ./glslc-linux --version 2>/dev/null | grep -q "glslang"; then \
+					echo "./glslc-linux"; \
+				else \
+					echo ""; \
+				fi; \
+			else \
+				echo ""; \
+			fi; \
+		fi); \
 	if [ -z "$$GLSLC_BIN" ]; then \
 		echo "Error: No usable glslc found. Vulkan shaders (no extensions) cannot be compiled!"; \
 	else \
diff --git a/colab.ipynb b/colab.ipynb
index d56deac47..05d6d1278 100644
--- a/colab.ipynb
+++ b/colab.ipynb
@@ -53,7 +53,7 @@
     "ContextSize = 4096 #@param [4096,8192] {allow-input: true}\n",
     "FlashAttention = True #@param {type:\"boolean\"}\n",
     "Multiplayer = False #@param {type:\"boolean\"}\n",
-    "DeleteExistingModels = False #@param {type:\"boolean\"}\n",
+    "DeleteExistingModels = True #@param {type:\"boolean\"}\n",
     "FACommand = \"\"\n",
     "MPCommand = \"\"\n",
     "#@markdown <hr>\n",
@@ -146,7 +146,7 @@
     "\n",
     "if DeleteExistingModels:\n",
     "  print(\"Deleting all cached models to redownload...\")\n",
-    "  patterns = ['*.gguf', '*.bin']\n",
+    "  patterns = ['*.gguf', '*.bin', '*.ggml']\n",
     "  for pattern in patterns:\n",
     "      for file_path in glob.glob(pattern):\n",
     "          try:\n",
diff --git a/koboldcpp.sh b/koboldcpp.sh
index 8b6144c20..456be4da5 100755
--- a/koboldcpp.sh
+++ b/koboldcpp.sh
@@ -40,9 +40,9 @@ if [ -n "$ARCHES_CU12" ]; then
 fi
 
 if [ "$KCPP_CUDA" = "rocm" ]; then
-	bin/micromamba run -r conda -p conda/envs/linux make -j$(nproc) LLAMA_VULKAN=1 LLAMA_CLBLAST=1 LLAMA_HIPBLAS=1 LLAMA_PORTABLE=1 LLAMA_ADD_CONDA_PATHS=1 $LLAMA_NOAVX2_FLAG $ARCHES_FLAG
+	bin/micromamba run -r conda -p conda/envs/linux make -j$(nproc) LLAMA_VULKAN=1 LLAMA_CLBLAST=1 LLAMA_HIPBLAS=1 LLAMA_PORTABLE=1 LLAMA_USE_BUNDLED_GLSLC=1 LLAMA_ADD_CONDA_PATHS=1 $LLAMA_NOAVX2_FLAG $ARCHES_FLAG
 else
-	bin/micromamba run -r conda -p conda/envs/linux make -j$(nproc) LLAMA_VULKAN=1 LLAMA_CLBLAST=1 LLAMA_CUBLAS=1 LLAMA_PORTABLE=1 LLAMA_ADD_CONDA_PATHS=1 $LLAMA_NOAVX2_FLAG $ARCHES_FLAG
+	bin/micromamba run -r conda -p conda/envs/linux make -j$(nproc) LLAMA_VULKAN=1 LLAMA_CLBLAST=1 LLAMA_CUBLAS=1 LLAMA_PORTABLE=1 LLAMA_USE_BUNDLED_GLSLC=1 LLAMA_ADD_CONDA_PATHS=1 $LLAMA_NOAVX2_FLAG $ARCHES_FLAG
 fi
 
 if [ $? -ne 0 ]; then