diff --git a/renderdoc/driver/vulkan/vk_core.cpp b/renderdoc/driver/vulkan/vk_core.cpp
index dce138483..36a1aa2bb 100644
--- a/renderdoc/driver/vulkan/vk_core.cpp
+++ b/renderdoc/driver/vulkan/vk_core.cpp
@@ -690,6 +690,10 @@ static const VkExtensionProperties supportedExtensions[] = {
     {
         VK_AMD_GCN_SHADER_EXTENSION_NAME, VK_AMD_GCN_SHADER_SPEC_VERSION,
     },
+    // this extension is 'free' - it just marks SPIR-V extension availability
+    {
+        VK_AMD_GPU_SHADER_HALF_FLOAT_EXTENSION_NAME, VK_AMD_GPU_SHADER_HALF_FLOAT_SPEC_VERSION,
+    },
     {
         VK_AMD_NEGATIVE_VIEWPORT_HEIGHT_EXTENSION_NAME, VK_AMD_NEGATIVE_VIEWPORT_HEIGHT_SPEC_VERSION,
     },
@@ -709,6 +713,20 @@ static const VkExtensionProperties supportedExtensions[] = {
     {
         VK_EXT_DEBUG_REPORT_EXTENSION_NAME, VK_EXT_DEBUG_REPORT_SPEC_VERSION,
     },
+    // this extension is 'free' - it just marks SPIR-V extension availability
+    {
+        VK_EXT_SHADER_SUBGROUP_BALLOT_EXTENSION_NAME, VK_EXT_SHADER_SUBGROUP_BALLOT_SPEC_VERSION,
+    },
+    // this extension is 'free' - it just marks SPIR-V extension availability
+    {
+        VK_EXT_SHADER_SUBGROUP_VOTE_EXTENSION_NAME, VK_EXT_SHADER_SUBGROUP_BALLOT_SPEC_VERSION,
+    },
+    {
+        VK_EXT_SWAPCHAIN_COLOR_SPACE_EXTENSION_NAME, VK_EXT_SWAPCHAIN_COLOR_SPACE_SPEC_VERSION,
+    },
+    {
+        VK_EXT_VALIDATION_FLAGS_EXTENSION_NAME, VK_EXT_VALIDATION_FLAGS_SPEC_VERSION,
+    },
 #ifdef VK_KHR_android_surface
     {
         VK_KHR_ANDROID_SURFACE_EXTENSION_NAME, VK_KHR_ANDROID_SURFACE_SPEC_VERSION,
@@ -731,6 +749,10 @@ static const VkExtensionProperties supportedExtensions[] = {
         VK_KHR_SAMPLER_MIRROR_CLAMP_TO_EDGE_EXTENSION_NAME,
         VK_KHR_SAMPLER_MIRROR_CLAMP_TO_EDGE_SPEC_VERSION,
     },
+    // this extension is 'free' - it just marks SPIR-V extension availability
+    {
+        VK_KHR_SHADER_DRAW_PARAMETERS_EXTENSION_NAME, VK_KHR_SHADER_DRAW_PARAMETERS_SPEC_VERSION,
+    },
     {
         VK_KHR_SURFACE_EXTENSION_NAME, VK_KHR_SURFACE_SPEC_VERSION,
     },