diff --git a/java/src/processing/mode/java/ExportPrompt.java b/java/src/processing/mode/java/ExportPrompt.java
index e479098ae..a5d5e2490 100644
--- a/java/src/processing/mode/java/ExportPrompt.java
+++ b/java/src/processing/mode/java/ExportPrompt.java
@@ -78,6 +78,7 @@ public class ExportPrompt {
     String pref = Preferences.get(EXPORT_VARIANTS);
     if (pref == null) {
       pref = Platform.getVariant();  // just add myself
+      Preferences.set(EXPORT_VARIANTS, pref);
     }
     StringList selectedVariants = new StringList(pref.split(","));
 
diff --git a/todo.txt b/todo.txt
index 7287b1226..4e9cf2ce3 100755
--- a/todo.txt
+++ b/todo.txt
@@ -3,6 +3,8 @@ X update to Java 17.0.2+8
 X move "Add Examples" to bottom of the Examples window
 X remove anachronistic Preferences.save() that happens after opening a sketch
 X change cmd-click in window title to point to sketch folder
+X prevent NullPointerException on first use of Export to Application
+X   only showed up if no checkboxes were clicked
 
 change detector
 X text in second line of custom dialogs was showing too large
@@ -21,6 +23,11 @@ X   https://github.com/processing/processing4/issues/398
 X   https://github.com/processing/processing4/pull/400
 
 
+_ interface zoom now conflicting with the Java 9+ defaults
+_   things look terrible (tiny fonts) on Windows, adjusting has weird effects
+_   resolve in DefaultPlatform and Toolkit, disable ui in PreferencesFrame
+
+
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .