diff --git a/CMakeLists.txt b/CMakeLists.txt
index 181ae5edb..e07370426 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -18,7 +18,7 @@
 # ~~~
 cmake_minimum_required(VERSION 3.17.2)
 
-project(VULKAN_LOADER VERSION 1.3.299 LANGUAGES C)
+project(VULKAN_LOADER VERSION 1.3.300 LANGUAGES C)
 
 option(CODE_COVERAGE "Enable Code Coverage" OFF)
 if (CODE_COVERAGE)
diff --git a/loader/generated/vk_layer_dispatch_table.h b/loader/generated/vk_layer_dispatch_table.h
index 2ca1e97ac..f96dfc088 100644
--- a/loader/generated/vk_layer_dispatch_table.h
+++ b/loader/generated/vk_layer_dispatch_table.h
@@ -290,6 +290,9 @@ typedef struct VkLayerInstanceDispatchTable_ {
 
     // ---- VK_NV_optical_flow extension commands
     PFN_vkGetPhysicalDeviceOpticalFlowImageFormatsNV GetPhysicalDeviceOpticalFlowImageFormatsNV;
+
+    // ---- VK_NV_cooperative_matrix2 extension commands
+    PFN_vkGetPhysicalDeviceCooperativeMatrixFlexibleDimensionsPropertiesNV GetPhysicalDeviceCooperativeMatrixFlexibleDimensionsPropertiesNV;
 } VkLayerInstanceDispatchTable;
 
 // Device function pointer dispatch table
diff --git a/loader/generated/vk_loader_extensions.c b/loader/generated/vk_loader_extensions.c
index d5d607dd4..393c1becd 100644
--- a/loader/generated/vk_loader_extensions.c
+++ b/loader/generated/vk_loader_extensions.c
@@ -312,6 +312,9 @@ VKAPI_ATTR bool VKAPI_CALL loader_icd_init_entries(struct loader_instance* inst,
     // ---- VK_NV_optical_flow extension commands
     LOOKUP_GIPA(GetPhysicalDeviceOpticalFlowImageFormatsNV);
 
+    // ---- VK_NV_cooperative_matrix2 extension commands
+    LOOKUP_GIPA(GetPhysicalDeviceCooperativeMatrixFlexibleDimensionsPropertiesNV);
+
 #undef LOOKUP_REQUIRED_GIPA
 #undef LOOKUP_GIPA
 
@@ -1479,6 +1482,9 @@ VKAPI_ATTR void VKAPI_CALL loader_init_instance_extension_dispatch_table(VkLayer
 
     // ---- VK_NV_optical_flow extension commands
     table->GetPhysicalDeviceOpticalFlowImageFormatsNV = (PFN_vkGetPhysicalDeviceOpticalFlowImageFormatsNV)gpa(inst, "vkGetPhysicalDeviceOpticalFlowImageFormatsNV");
+
+    // ---- VK_NV_cooperative_matrix2 extension commands
+    table->GetPhysicalDeviceCooperativeMatrixFlexibleDimensionsPropertiesNV = (PFN_vkGetPhysicalDeviceCooperativeMatrixFlexibleDimensionsPropertiesNV)gpa(inst, "vkGetPhysicalDeviceCooperativeMatrixFlexibleDimensionsPropertiesNV");
 }
 
 // Functions that required a terminator need to have a separate dispatch table which contains their corresponding
@@ -3262,6 +3268,9 @@ VKAPI_ATTR void* VKAPI_CALL loader_lookup_instance_dispatch_table(const VkLayerI
     // ---- VK_NV_optical_flow extension commands
     if (!strcmp(name, "GetPhysicalDeviceOpticalFlowImageFormatsNV")) return (void *)table->GetPhysicalDeviceOpticalFlowImageFormatsNV;
 
+    // ---- VK_NV_cooperative_matrix2 extension commands
+    if (!strcmp(name, "GetPhysicalDeviceCooperativeMatrixFlexibleDimensionsPropertiesNV")) return (void *)table->GetPhysicalDeviceCooperativeMatrixFlexibleDimensionsPropertiesNV;
+
     *found_name = false;
     return NULL;
 }
@@ -9682,6 +9691,39 @@ VKAPI_ATTR void VKAPI_CALL UpdateIndirectExecutionSetShaderEXT(
 }
 
 
+// ---- VK_NV_cooperative_matrix2 extension trampoline/terminators
+
+VKAPI_ATTR VkResult VKAPI_CALL GetPhysicalDeviceCooperativeMatrixFlexibleDimensionsPropertiesNV(
+    VkPhysicalDevice                            physicalDevice,
+    uint32_t*                                   pPropertyCount,
+    VkCooperativeMatrixFlexibleDimensionsPropertiesNV* pProperties) {
+    const VkLayerInstanceDispatchTable *disp;
+    VkPhysicalDevice unwrapped_phys_dev = loader_unwrap_physical_device(physicalDevice);
+    if (VK_NULL_HANDLE == unwrapped_phys_dev) {
+        loader_log(NULL, VULKAN_LOADER_FATAL_ERROR_BIT | VULKAN_LOADER_ERROR_BIT | VULKAN_LOADER_VALIDATION_BIT, 0,
+                   "vkGetPhysicalDeviceCooperativeMatrixFlexibleDimensionsPropertiesNV: Invalid physicalDevice "
+                   "[VUID-vkGetPhysicalDeviceCooperativeMatrixFlexibleDimensionsPropertiesNV-physicalDevice-parameter]");
+        abort(); /* Intentionally fail so user can correct issue. */
+    }
+    disp = loader_get_instance_layer_dispatch(physicalDevice);
+    return disp->GetPhysicalDeviceCooperativeMatrixFlexibleDimensionsPropertiesNV(unwrapped_phys_dev, pPropertyCount, pProperties);
+}
+
+VKAPI_ATTR VkResult VKAPI_CALL terminator_GetPhysicalDeviceCooperativeMatrixFlexibleDimensionsPropertiesNV(
+    VkPhysicalDevice                            physicalDevice,
+    uint32_t*                                   pPropertyCount,
+    VkCooperativeMatrixFlexibleDimensionsPropertiesNV* pProperties) {
+    struct loader_physical_device_term *phys_dev_term = (struct loader_physical_device_term *)physicalDevice;
+    struct loader_icd_term *icd_term = phys_dev_term->this_icd_term;
+    if (NULL == icd_term->dispatch.GetPhysicalDeviceCooperativeMatrixFlexibleDimensionsPropertiesNV) {
+        loader_log(icd_term->this_instance, VULKAN_LOADER_FATAL_ERROR_BIT | VULKAN_LOADER_ERROR_BIT, 0,
+                   "ICD associated with VkPhysicalDevice does not support GetPhysicalDeviceCooperativeMatrixFlexibleDimensionsPropertiesNV");
+        abort(); /* Intentionally fail so user can correct issue. */
+    }
+    return icd_term->dispatch.GetPhysicalDeviceCooperativeMatrixFlexibleDimensionsPropertiesNV(phys_dev_term->phys_dev, pPropertyCount, pProperties);
+}
+
+
 // ---- VK_KHR_acceleration_structure extension trampoline/terminators
 
 VKAPI_ATTR VkResult VKAPI_CALL CreateAccelerationStructureKHR(
@@ -12061,6 +12103,12 @@ bool extension_instance_gpa(struct loader_instance *ptr_instance, const char *na
         return true;
     }
 
+    // ---- VK_NV_cooperative_matrix2 extension commands
+    if (!strcmp("vkGetPhysicalDeviceCooperativeMatrixFlexibleDimensionsPropertiesNV", name)) {
+        *addr = (void *)GetPhysicalDeviceCooperativeMatrixFlexibleDimensionsPropertiesNV;
+        return true;
+    }
+
     // ---- VK_KHR_acceleration_structure extension commands
     if (!strcmp("vkCreateAccelerationStructureKHR", name)) {
         *addr = (void *)CreateAccelerationStructureKHR;
@@ -12563,6 +12611,9 @@ const VkLayerInstanceDispatchTable instance_disp = {
 
     // ---- VK_NV_optical_flow extension commands
     .GetPhysicalDeviceOpticalFlowImageFormatsNV = terminator_GetPhysicalDeviceOpticalFlowImageFormatsNV,
+
+    // ---- VK_NV_cooperative_matrix2 extension commands
+    .GetPhysicalDeviceCooperativeMatrixFlexibleDimensionsPropertiesNV = terminator_GetPhysicalDeviceCooperativeMatrixFlexibleDimensionsPropertiesNV,
 };
 
 // A null-terminated list of all of the instance extensions supported by the loader.
diff --git a/loader/generated/vk_loader_extensions.h b/loader/generated/vk_loader_extensions.h
index df59d91b8..689a3ae90 100644
--- a/loader/generated/vk_loader_extensions.h
+++ b/loader/generated/vk_loader_extensions.h
@@ -476,6 +476,9 @@ struct loader_icd_term_dispatch {
 
     // ---- VK_NV_optical_flow extension commands
     PFN_vkGetPhysicalDeviceOpticalFlowImageFormatsNV GetPhysicalDeviceOpticalFlowImageFormatsNV;
+
+    // ---- VK_NV_cooperative_matrix2 extension commands
+    PFN_vkGetPhysicalDeviceCooperativeMatrixFlexibleDimensionsPropertiesNV GetPhysicalDeviceCooperativeMatrixFlexibleDimensionsPropertiesNV;
 };
 
 struct loader_instance_extension_enables {
diff --git a/loader/loader.rc b/loader/loader.rc
index 3fa70867e..7860670f3 100644
--- a/loader/loader.rc
+++ b/loader/loader.rc
@@ -22,8 +22,8 @@
 #include "winres.h"
 
 // All set through CMake
-#define VER_FILE_VERSION 1, 3, 299, 0
-#define VER_FILE_DESCRIPTION_STR "1.3.299.Dev Build"
+#define VER_FILE_VERSION 1, 3, 300, 0
+#define VER_FILE_DESCRIPTION_STR "1.3.300.Dev Build"
 #define VER_FILE_VERSION_STR "Vulkan Loader - Dev Build"
 #define VER_COPYRIGHT_STR "Copyright (C) 2015-2024"
 
diff --git a/scripts/known_good.json b/scripts/known_good.json
index 2c30d5f32..bc7ca396f 100644
--- a/scripts/known_good.json
+++ b/scripts/known_good.json
@@ -7,7 +7,7 @@
             "sub_dir": "Vulkan-Headers",
             "build_dir": "Vulkan-Headers/build",
             "install_dir": "Vulkan-Headers/build/install",
-            "commit": "v1.3.299"
+            "commit": "v1.3.300"
         },
         {
             "name": "googletest",