diff --git a/README.md b/README.md
index c326126..41dc87c 100644
--- a/README.md
+++ b/README.md
@@ -65,6 +65,7 @@ There is a known issue with the Lab Renderer adaptive quality and Unity 5.6. If
 
 ## KNOWN ISSUES
 * OpenGL applications are currently too slow to use interactively; only the Vulkan Submit path is optimal. See: https://github.com/ValveSoftware/openvr/wiki/Vulkan
+* Even with Vulkan applications, performance issues are still being worked on on both the runtime and the game engine side
 * Desktop view in the dashboard currently doesn't work
 * Power management of base stations is not currently implemented
 * Headset audio device switching is not currently implemented