diff --git a/README.md b/README.md
--- a/README.md
+++ b/README.md
@@ -19,6 +19,11 @@ ingredient reactions in [A Tale in the D
 * macOS is now a 64-bit app. Windows remains 32-bit due to incompatibilities with the UI library.
 * macOS build does not support Catalina (is not notarized)
 
+### Known issues
+
+* Multiple screen setups requre setting the resolution to the combined resolution of all screens.
+* UI does not lay out properly on high-density screens. Buttons and dropdowns are where they should be, but draw in the wrong place.
+
 ## Tale 8
 
 This application has not yet been tested for Tale 8.  We will be testing it out as soon as we get our hands on a Pigment Lab.  If you find any problems with it, please [open an issue](https://bitbucket.org/Malkyne/desert-paint-lab/issues) or /chat Afrah or Snoerr