diff --git a/src/win32_init.c b/src/win32_init.c
index c39c67c1..60110a8c 100644
--- a/src/win32_init.c
+++ b/src/win32_init.c
@@ -380,6 +380,9 @@ const char* _glfwPlatformGetVersionString(void)
 #elif defined(_MSC_VER)
         " VisualC"
 #endif
+#if defined(_GLFW_USE_HYBRID_HPG) || defined(_GLFW_USE_OPTIMUS_HPG)
+        " hybrid-GPU"
+#endif
 #if defined(_GLFW_BUILD_DLL)
         " DLL"
 #endif
diff --git a/src/x11_init.c b/src/x11_init.c
index 90101ef4..c62a142f 100644
--- a/src/x11_init.c
+++ b/src/x11_init.c
@@ -814,6 +814,12 @@ const char* _glfwPlatformGetVersionString(void)
 #if defined(__linux__)
         " /dev/js"
 #endif
+#if defined(_GLFW_HAS_XINPUT)
+        " XI"
+#endif
+#if defined(_GLFW_HAS_XF86VM)
+        " Xf86vm"
+#endif
 #if defined(_GLFW_BUILD_DLL)
         " shared"
 #endif