diff --git a/renderdoc/driver/vulkan/extension_support.md b/renderdoc/driver/vulkan/extension_support.md
index b15198661..887a41e1f 100644
--- a/renderdoc/driver/vulkan/extension_support.md
+++ b/renderdoc/driver/vulkan/extension_support.md
@@ -63,6 +63,7 @@ Maintainers can update this file by updating vk.xml in this folder and running `
 * `VK_EXT_post_depth_coverage`
 * `VK_EXT_private_data`
 * `VK_EXT_queue_family_foreign`
+* `VK_EXT_rgba10x6_formats`
 * `VK_EXT_robustness2`
 * `VK_EXT_sample_locations`
 * `VK_EXT_sampler_filter_minmax`
@@ -230,7 +231,6 @@ Ray tracing extensions are now standard and will likely be supported at some poi
 * `VK_EXT_physical_device_drm`
 * `VK_EXT_primitive_topology_list_restart`
 * `VK_EXT_provoking_vertex`
-* `VK_EXT_rgba10x6_formats`
 * `VK_EXT_texture_compression_astc_hdr`
 * `VK_EXT_vertex_input_dynamic_state`
 
diff --git a/renderdoc/driver/vulkan/vk_common.h b/renderdoc/driver/vulkan/vk_common.h
index b50a98c1a..8053cf72a 100644
--- a/renderdoc/driver/vulkan/vk_common.h
+++ b/renderdoc/driver/vulkan/vk_common.h
@@ -974,6 +974,7 @@ DECLARE_REFLECTION_STRUCT(VkPhysicalDeviceProperties2);
 DECLARE_REFLECTION_STRUCT(VkPhysicalDeviceProtectedMemoryFeatures);
 DECLARE_REFLECTION_STRUCT(VkPhysicalDeviceProtectedMemoryProperties);
 DECLARE_REFLECTION_STRUCT(VkPhysicalDevicePushDescriptorPropertiesKHR);
+DECLARE_REFLECTION_STRUCT(VkPhysicalDeviceRGBA10X6FormatsFeaturesEXT);
 DECLARE_REFLECTION_STRUCT(VkPhysicalDeviceRobustness2FeaturesEXT);
 DECLARE_REFLECTION_STRUCT(VkPhysicalDeviceRobustness2PropertiesEXT);
 DECLARE_REFLECTION_STRUCT(VkPhysicalDeviceSampleLocationsPropertiesEXT);
@@ -1316,6 +1317,7 @@ DECLARE_DESERIALISE_TYPE(VkPhysicalDeviceProperties2);
 DECLARE_DESERIALISE_TYPE(VkPhysicalDeviceProtectedMemoryFeatures);
 DECLARE_DESERIALISE_TYPE(VkPhysicalDeviceProtectedMemoryProperties);
 DECLARE_DESERIALISE_TYPE(VkPhysicalDevicePushDescriptorPropertiesKHR);
+DECLARE_DESERIALISE_TYPE(VkPhysicalDeviceRGBA10X6FormatsFeaturesEXT);
 DECLARE_DESERIALISE_TYPE(VkPhysicalDeviceRobustness2FeaturesEXT);
 DECLARE_DESERIALISE_TYPE(VkPhysicalDeviceRobustness2PropertiesEXT);
 DECLARE_DESERIALISE_TYPE(VkPhysicalDeviceSampleLocationsPropertiesEXT);
diff --git a/renderdoc/driver/vulkan/vk_core.cpp b/renderdoc/driver/vulkan/vk_core.cpp
index 5b7cf1aae..58659f1a4 100644
--- a/renderdoc/driver/vulkan/vk_core.cpp
+++ b/renderdoc/driver/vulkan/vk_core.cpp
@@ -996,6 +996,9 @@ static const VkExtensionProperties supportedExtensions[] = {
     {
         VK_EXT_QUEUE_FAMILY_FOREIGN_EXTENSION_NAME, VK_EXT_QUEUE_FAMILY_FOREIGN_SPEC_VERSION,
     },
+    {
+        VK_EXT_RGBA10X6_FORMATS_EXTENSION_NAME, VK_EXT_RGBA10X6_FORMATS_SPEC_VERSION,
+    },
     {
         VK_EXT_ROBUSTNESS_2_EXTENSION_NAME, VK_EXT_ROBUSTNESS_2_SPEC_VERSION,
     },
diff --git a/renderdoc/driver/vulkan/vk_next_chains.cpp b/renderdoc/driver/vulkan/vk_next_chains.cpp
index 7f14b2253..fe0c47ce6 100644
--- a/renderdoc/driver/vulkan/vk_next_chains.cpp
+++ b/renderdoc/driver/vulkan/vk_next_chains.cpp
@@ -315,6 +315,8 @@ static void AppendModifiedChainedStruct(byte *&tempMem, VkStruct *outputStruct,
               VkPhysicalDeviceProtectedMemoryProperties);                                            \
   COPY_STRUCT(VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_PUSH_DESCRIPTOR_PROPERTIES_KHR,                      \
               VkPhysicalDevicePushDescriptorPropertiesKHR);                                          \
+  COPY_STRUCT(VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_RGBA10X6_FORMATS_FEATURES_EXT,                       \
+              VkPhysicalDeviceRGBA10X6FormatsFeaturesEXT);                                           \
   COPY_STRUCT(VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_ROBUSTNESS_2_FEATURES_EXT,                           \
               VkPhysicalDeviceRobustness2FeaturesEXT);                                               \
   COPY_STRUCT(VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_ROBUSTNESS_2_PROPERTIES_EXT,                         \
@@ -759,7 +761,6 @@ static void AppendModifiedChainedStruct(byte *&tempMem, VkStruct *outputStruct,
   case VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_RAY_TRACING_PIPELINE_PROPERTIES_KHR:           \
   case VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_RAY_TRACING_PROPERTIES_NV:                     \
   case VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_REPRESENTATIVE_FRAGMENT_TEST_FEATURES_NV:      \
-  case VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_RGBA10X6_FORMATS_FEATURES_EXT:                 \
   case VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_SHADER_CORE_PROPERTIES_2_AMD:                  \
   case VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_SHADER_INTEGER_FUNCTIONS_2_FEATURES_INTEL:     \
   case VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_SHADER_SM_BUILTINS_FEATURES_NV:                \
diff --git a/renderdoc/driver/vulkan/vk_serialise.cpp b/renderdoc/driver/vulkan/vk_serialise.cpp
index 5802dd145..1e24fe5f6 100644
--- a/renderdoc/driver/vulkan/vk_serialise.cpp
+++ b/renderdoc/driver/vulkan/vk_serialise.cpp
@@ -722,6 +722,10 @@ SERIALISE_VK_HANDLES();
                VkDevicePrivateDataCreateInfoEXT)                                                       \
   PNEXT_STRUCT(VK_STRUCTURE_TYPE_PRIVATE_DATA_SLOT_CREATE_INFO_EXT, VkPrivateDataSlotCreateInfoEXT)    \
                                                                                                        \
+  /* VK_EXT_rgba10x6_formats */                                                                        \
+  PNEXT_STRUCT(VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_RGBA10X6_FORMATS_FEATURES_EXT,                        \
+               VkPhysicalDeviceRGBA10X6FormatsFeaturesEXT)                                             \
+                                                                                                       \
   /* VK_EXT_robustness2 */                                                                             \
   PNEXT_STRUCT(VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_ROBUSTNESS_2_FEATURES_EXT,                            \
                VkPhysicalDeviceRobustness2FeaturesEXT)                                                 \
@@ -1296,9 +1300,6 @@ SERIALISE_VK_HANDLES();
   PNEXT_UNSUPPORTED(VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_PROVOKING_VERTEX_STATE_CREATE_INFO_EXT)   \
   PNEXT_UNSUPPORTED(VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_PROVOKING_VERTEX_PROPERTIES_EXT)                 \
                                                                                                        \
-  /* VK_EXT_rgba10x6_formats */                                                                        \
-  PNEXT_UNSUPPORTED(VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_RGBA10X6_FORMATS_FEATURES_EXT)                   \
-                                                                                                       \
   /* VK_EXT_texture_compression_astc_hdr */                                                            \
   PNEXT_UNSUPPORTED(VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_TEXTURE_COMPRESSION_ASTC_HDR_FEATURES_EXT)       \
                                                                                                        \
@@ -6279,6 +6280,22 @@ void Deserialise(const VkPrivateDataSlotCreateInfoEXT &el)
   DeserialiseNext(el.pNext);
 }
 
+template <typename SerialiserType>
+void DoSerialise(SerialiserType &ser, VkPhysicalDeviceRGBA10X6FormatsFeaturesEXT &el)
+{
+  RDCASSERT(ser.IsReading() ||
+            el.sType == VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_RGBA10X6_FORMATS_FEATURES_EXT);
+  SerialiseNext(ser, el.sType, el.pNext);
+
+  SERIALISE_MEMBER(formatRgba10x6WithoutYCbCrSampler);
+}
+
+template <>
+void Deserialise(const VkPhysicalDeviceRGBA10X6FormatsFeaturesEXT &el)
+{
+  DeserialiseNext(el.pNext);
+}
+
 template <typename SerialiserType>
 void DoSerialise(SerialiserType &ser, VkPhysicalDeviceRobustness2FeaturesEXT &el)
 {
@@ -9734,6 +9751,7 @@ INSTANTIATE_SERIALISE_TYPE(VkPhysicalDeviceProperties2);
 INSTANTIATE_SERIALISE_TYPE(VkPhysicalDeviceProtectedMemoryFeatures);
 INSTANTIATE_SERIALISE_TYPE(VkPhysicalDeviceProtectedMemoryProperties);
 INSTANTIATE_SERIALISE_TYPE(VkPhysicalDevicePushDescriptorPropertiesKHR);
+INSTANTIATE_SERIALISE_TYPE(VkPhysicalDeviceRGBA10X6FormatsFeaturesEXT);
 INSTANTIATE_SERIALISE_TYPE(VkPhysicalDeviceRobustness2FeaturesEXT);
 INSTANTIATE_SERIALISE_TYPE(VkPhysicalDeviceRobustness2PropertiesEXT);
 INSTANTIATE_SERIALISE_TYPE(VkPhysicalDeviceSampleLocationsPropertiesEXT);
diff --git a/renderdoc/driver/vulkan/wrappers/vk_device_funcs.cpp b/renderdoc/driver/vulkan/wrappers/vk_device_funcs.cpp
index ac88080f4..2e2f113d6 100644
--- a/renderdoc/driver/vulkan/wrappers/vk_device_funcs.cpp
+++ b/renderdoc/driver/vulkan/wrappers/vk_device_funcs.cpp
@@ -2785,6 +2785,13 @@ bool WrappedVulkan::Serialise_vkCreateDevice(SerialiserType &ser, VkPhysicalDevi
         CHECK_PHYS_EXT_FEATURE(ycbcr2plane444Formats);
       }
       END_PHYS_EXT_CHECK();
+
+      BEGIN_PHYS_EXT_CHECK(VkPhysicalDeviceRGBA10X6FormatsFeaturesEXT,
+                           VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_RGBA10X6_FORMATS_FEATURES_EXT);
+      {
+        CHECK_PHYS_EXT_FEATURE(formatRgba10x6WithoutYCbCrSampler);
+      }
+      END_PHYS_EXT_CHECK();
     }
 
     if(availFeatures.depthClamp)