diff --git a/CMakeLists.txt b/CMakeLists.txt
index 00795f2d4..2c56ffbad 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -18,7 +18,7 @@
 # ~~~
 cmake_minimum_required(VERSION 3.22.1)
 
-project(VULKAN_LOADER VERSION 1.4.358 LANGUAGES C)
+project(VULKAN_LOADER VERSION 1.4.359 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 85fb71843..15f851ec7 100644
--- a/loader/generated/vk_layer_dispatch_table.h
+++ b/loader/generated/vk_layer_dispatch_table.h
@@ -322,6 +322,9 @@ typedef struct VkLayerInstanceDispatchTable_ {
     // ---- VK_ARM_data_graph_optical_flow extension commands
     PFN_vkGetPhysicalDeviceQueueFamilyDataGraphOpticalFlowImageFormatsARM GetPhysicalDeviceQueueFamilyDataGraphOpticalFlowImageFormatsARM;
 
+    // ---- VK_EXT_cooperative_matrix_maintenance1 extension commands
+    PFN_vkGetPhysicalDeviceCooperativeMatrixProperties2EXT GetPhysicalDeviceCooperativeMatrixProperties2EXT;
+
     // ---- VK_SEC_ubm_surface extension commands
 #if defined(VK_USE_PLATFORM_UBM_SEC)
     PFN_vkCreateUbmSurfaceSEC CreateUbmSurfaceSEC;
diff --git a/loader/generated/vk_loader_extensions.c b/loader/generated/vk_loader_extensions.c
index e6c4fc5b1..1d259be17 100644
--- a/loader/generated/vk_loader_extensions.c
+++ b/loader/generated/vk_loader_extensions.c
@@ -346,6 +346,9 @@ VKAPI_ATTR bool VKAPI_CALL loader_icd_init_entries(struct loader_instance* inst,
     // ---- VK_ARM_data_graph_optical_flow extension commands
     LOOKUP_GIPA(GetPhysicalDeviceQueueFamilyDataGraphOpticalFlowImageFormatsARM);
 
+    // ---- VK_EXT_cooperative_matrix_maintenance1 extension commands
+    LOOKUP_GIPA(GetPhysicalDeviceCooperativeMatrixProperties2EXT);
+
     // ---- VK_SEC_ubm_surface extension commands
 #if defined(VK_USE_PLATFORM_UBM_SEC)
     LOOKUP_GIPA(CreateUbmSurfaceSEC);
@@ -1769,6 +1772,9 @@ VKAPI_ATTR void VKAPI_CALL loader_init_instance_extension_dispatch_table(VkLayer
     // ---- VK_ARM_data_graph_optical_flow extension commands
     table->GetPhysicalDeviceQueueFamilyDataGraphOpticalFlowImageFormatsARM = (PFN_vkGetPhysicalDeviceQueueFamilyDataGraphOpticalFlowImageFormatsARM)gpa(inst, "vkGetPhysicalDeviceQueueFamilyDataGraphOpticalFlowImageFormatsARM");
 
+    // ---- VK_EXT_cooperative_matrix_maintenance1 extension commands
+    table->GetPhysicalDeviceCooperativeMatrixProperties2EXT = (PFN_vkGetPhysicalDeviceCooperativeMatrixProperties2EXT)gpa(inst, "vkGetPhysicalDeviceCooperativeMatrixProperties2EXT");
+
     // ---- VK_SEC_ubm_surface extension commands
 #if defined(VK_USE_PLATFORM_UBM_SEC)
     table->CreateUbmSurfaceSEC = (PFN_vkCreateUbmSurfaceSEC)gpa(inst, "vkCreateUbmSurfaceSEC");
@@ -3870,6 +3876,9 @@ VKAPI_ATTR void* VKAPI_CALL loader_lookup_instance_dispatch_table(const VkLayerI
     // ---- VK_ARM_data_graph_optical_flow extension commands
     if (!strcmp(name, "GetPhysicalDeviceQueueFamilyDataGraphOpticalFlowImageFormatsARM")) return (void *)table->GetPhysicalDeviceQueueFamilyDataGraphOpticalFlowImageFormatsARM;
 
+    // ---- VK_EXT_cooperative_matrix_maintenance1 extension commands
+    if (!strcmp(name, "GetPhysicalDeviceCooperativeMatrixProperties2EXT")) return (void *)table->GetPhysicalDeviceCooperativeMatrixProperties2EXT;
+
     // ---- VK_SEC_ubm_surface extension commands
 #if defined(VK_USE_PLATFORM_UBM_SEC)
     if (!strcmp(name, "CreateUbmSurfaceSEC")) return (void *)table->CreateUbmSurfaceSEC;
@@ -12322,6 +12331,41 @@ VKAPI_ATTR void VKAPI_CALL CmdSetComputeOccupancyPriorityNV(
 }
 
 
+// ---- VK_EXT_cooperative_matrix_maintenance1 extension trampoline/terminators
+
+VKAPI_ATTR VkResult VKAPI_CALL GetPhysicalDeviceCooperativeMatrixProperties2EXT(
+    VkPhysicalDevice                            physicalDevice,
+    const VkPhysicalDeviceCooperativeMatrixInfo2EXT* pCooperativeMatrixInfo,
+    uint32_t*                                   pPropertyCount,
+    VkCooperativeMatrixProperties2EXT*          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,
+                   "vkGetPhysicalDeviceCooperativeMatrixProperties2EXT: Invalid physicalDevice "
+                   "[VUID-vkGetPhysicalDeviceCooperativeMatrixProperties2EXT-physicalDevice-parameter]");
+        abort(); /* Intentionally fail so user can correct issue. */
+    }
+    disp = loader_get_instance_layer_dispatch(physicalDevice);
+    return disp->GetPhysicalDeviceCooperativeMatrixProperties2EXT(unwrapped_phys_dev, pCooperativeMatrixInfo, pPropertyCount, pProperties);
+}
+
+VKAPI_ATTR VkResult VKAPI_CALL terminator_GetPhysicalDeviceCooperativeMatrixProperties2EXT(
+    VkPhysicalDevice                            physicalDevice,
+    const VkPhysicalDeviceCooperativeMatrixInfo2EXT* pCooperativeMatrixInfo,
+    uint32_t*                                   pPropertyCount,
+    VkCooperativeMatrixProperties2EXT*          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.GetPhysicalDeviceCooperativeMatrixProperties2EXT) {
+        loader_log(icd_term->this_instance, VULKAN_LOADER_FATAL_ERROR_BIT | VULKAN_LOADER_ERROR_BIT, 0,
+                   "ICD associated with VkPhysicalDevice does not support GetPhysicalDeviceCooperativeMatrixProperties2EXT");
+        abort(); /* Intentionally fail so user can correct issue. */
+    }
+    return icd_term->dispatch.GetPhysicalDeviceCooperativeMatrixProperties2EXT(phys_dev_term->phys_dev, pCooperativeMatrixInfo, pPropertyCount, pProperties);
+}
+
+
 // ---- VK_SEC_ubm_surface extension trampoline/terminators
 
 #if defined(VK_USE_PLATFORM_UBM_SEC)
@@ -15369,6 +15413,12 @@ bool extension_instance_gpa(struct loader_instance *ptr_instance, const char *na
         return true;
     }
 
+    // ---- VK_EXT_cooperative_matrix_maintenance1 extension commands
+    if (!strcmp("vkGetPhysicalDeviceCooperativeMatrixProperties2EXT", name)) {
+        *addr = (void *)GetPhysicalDeviceCooperativeMatrixProperties2EXT;
+        return true;
+    }
+
     // ---- VK_SEC_ubm_surface extension commands
 #if defined(VK_USE_PLATFORM_UBM_SEC)
     if (!strcmp("vkCreateUbmSurfaceSEC", name)) {
@@ -16043,6 +16093,9 @@ const VkLayerInstanceDispatchTable instance_disp = {
     // ---- VK_ARM_data_graph_optical_flow extension commands
     .GetPhysicalDeviceQueueFamilyDataGraphOpticalFlowImageFormatsARM = terminator_GetPhysicalDeviceQueueFamilyDataGraphOpticalFlowImageFormatsARM,
 
+    // ---- VK_EXT_cooperative_matrix_maintenance1 extension commands
+    .GetPhysicalDeviceCooperativeMatrixProperties2EXT = terminator_GetPhysicalDeviceCooperativeMatrixProperties2EXT,
+
     // ---- VK_SEC_ubm_surface extension commands
 #if defined(VK_USE_PLATFORM_UBM_SEC)
     .CreateUbmSurfaceSEC = terminator_CreateUbmSurfaceSEC,
diff --git a/loader/generated/vk_loader_extensions.h b/loader/generated/vk_loader_extensions.h
index 472e852e9..509266895 100644
--- a/loader/generated/vk_loader_extensions.h
+++ b/loader/generated/vk_loader_extensions.h
@@ -513,6 +513,9 @@ struct loader_icd_term_dispatch {
     // ---- VK_ARM_data_graph_optical_flow extension commands
     PFN_vkGetPhysicalDeviceQueueFamilyDataGraphOpticalFlowImageFormatsARM GetPhysicalDeviceQueueFamilyDataGraphOpticalFlowImageFormatsARM;
 
+    // ---- VK_EXT_cooperative_matrix_maintenance1 extension commands
+    PFN_vkGetPhysicalDeviceCooperativeMatrixProperties2EXT GetPhysicalDeviceCooperativeMatrixProperties2EXT;
+
     // ---- VK_SEC_ubm_surface extension commands
 #if defined(VK_USE_PLATFORM_UBM_SEC)
     PFN_vkCreateUbmSurfaceSEC CreateUbmSurfaceSEC;
diff --git a/loader/loader.rc b/loader/loader.rc
index 472fbaab9..397505823 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, 4, 358, 0
-#define VER_FILE_DESCRIPTION_STR "1.4.358.Dev Build"
+#define VER_FILE_VERSION 1, 4, 359, 0
+#define VER_FILE_DESCRIPTION_STR "1.4.359.Dev Build"
 #define VER_FILE_VERSION_STR "Vulkan Loader - Dev Build"
 #define VER_COPYRIGHT_STR "Copyright (C) 2015-2026"
 
diff --git a/scripts/known_good.json b/scripts/known_good.json
index c674c2023..268e661bf 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": "v1.4.358"
+            "commit": "v1.4.359"
         },
         {
             "name": "googletest",
diff --git a/tests/framework/layer/generated/vk_dispatch_table_helper.h b/tests/framework/layer/generated/vk_dispatch_table_helper.h
index fef3738cb..9d87f78ce 100644
--- a/tests/framework/layer/generated/vk_dispatch_table_helper.h
+++ b/tests/framework/layer/generated/vk_dispatch_table_helper.h
@@ -1013,6 +1013,7 @@ static inline void layer_init_instance_dispatch_table(VkInstance instance, VkLay
     table->EnumeratePhysicalDeviceQueueFamilyPerformanceCountersByRegionARM = (PFN_vkEnumeratePhysicalDeviceQueueFamilyPerformanceCountersByRegionARM)gpa(instance, "vkEnumeratePhysicalDeviceQueueFamilyPerformanceCountersByRegionARM");
     table->EnumeratePhysicalDeviceShaderInstrumentationMetricsARM = (PFN_vkEnumeratePhysicalDeviceShaderInstrumentationMetricsARM)gpa(instance, "vkEnumeratePhysicalDeviceShaderInstrumentationMetricsARM");
     table->GetPhysicalDeviceQueueFamilyDataGraphOpticalFlowImageFormatsARM = (PFN_vkGetPhysicalDeviceQueueFamilyDataGraphOpticalFlowImageFormatsARM)gpa(instance, "vkGetPhysicalDeviceQueueFamilyDataGraphOpticalFlowImageFormatsARM");
+    table->GetPhysicalDeviceCooperativeMatrixProperties2EXT = (PFN_vkGetPhysicalDeviceCooperativeMatrixProperties2EXT)gpa(instance, "vkGetPhysicalDeviceCooperativeMatrixProperties2EXT");
 #if defined(VK_USE_PLATFORM_UBM_SEC)
     table->CreateUbmSurfaceSEC = (PFN_vkCreateUbmSurfaceSEC)gpa(instance, "vkCreateUbmSurfaceSEC");
 #endif  // VK_USE_PLATFORM_UBM_SEC