diff --git a/src/VkBootstrap.cpp b/src/VkBootstrap.cpp
index 60c1bfc..ba40d9a 100644
--- a/src/VkBootstrap.cpp
+++ b/src/VkBootstrap.cpp
@@ -31,6 +31,7 @@
 #include <dlfcn.h>
 #endif
 
+#include <cstdio>
 #include <mutex>
 
 namespace vkb {
@@ -1264,6 +1265,10 @@ PhysicalDeviceSelector& PhysicalDeviceSelector::set_desired_version(uint32_t maj
 	criteria.desired_version = VK_MAKE_VERSION(major, minor, 0);
 	return *this;
 }
+PhysicalDeviceSelector& PhysicalDeviceSelector::set_required_features(VkPhysicalDeviceFeatures const& features) {
+    criteria.required_features = features;
+    return *this;
+}
 #if defined(VK_API_VERSION_1_2)
 // Just calls add_required_features
 PhysicalDeviceSelector& PhysicalDeviceSelector::set_required_features_11(
@@ -1435,6 +1440,8 @@ detail::Result<Device> DeviceBuilder::build() const {
 				final_pnext_chain.push_back(reinterpret_cast<VkBaseOutStructure*>(&features_node));
 			}
 		}
+	} else {
+        printf("User provided VkPhysicalDeviceFeatures2 instance found in pNext chain. All requirements added via 'add_required_extension_features' will be ignored.");
 	}
 
 	if(!user_defined_phys_dev_features_2 && !has_phys_dev_features_2) {
@@ -1458,10 +1465,6 @@ detail::Result<Device> DeviceBuilder::build() const {
 	device_create_info.enabledExtensionCount = static_cast<uint32_t>(extensions.size());
 	device_create_info.ppEnabledExtensionNames = extensions.data();
 
-	if(!final_pnext_chain.empty()) {
-        device_create_info.pNext = final_pnext_chain.front();
-	}
-
 	Device device;
 
 	VkResult res = detail::vulkan_functions().fp_vkCreateDevice(
diff --git a/src/VkBootstrap.h b/src/VkBootstrap.h
index f9f2630..dacd29b 100644
--- a/src/VkBootstrap.h
+++ b/src/VkBootstrap.h
@@ -459,10 +459,8 @@ class PhysicalDeviceSelector {
         return *this;
     }
 #endif
-    PhysicalDeviceSelector& set_required_features(VkPhysicalDeviceFeatures const& features) {
-        criteria.required_features = features;
-        return *this;
-    }
+    // Require a physical device which supports the features in VkPhysicalDeviceFeatures.
+    PhysicalDeviceSelector& set_required_features(VkPhysicalDeviceFeatures const& features);
 #if defined(VK_API_VERSION_1_2)
     // Require a physical device which supports the features in VkPhysicalDeviceVulkan11Features.
     // Must have vulkan version 1.2 - This is due to the VkPhysicalDeviceVulkan11Features struct being added in 1.2, not 1.1