diff --git a/core/src/processing/data/FloatDict.java b/core/src/processing/data/FloatDict.java
index 5c01e3d20..81bbd99a6 100644
--- a/core/src/processing/data/FloatDict.java
+++ b/core/src/processing/data/FloatDict.java
@@ -127,6 +127,55 @@ public class FloatDict {
   }
 
 
+  // . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
+
+
+  public class Entry {
+    public String key;
+    public float value;
+
+    Entry(String key, float value) {
+      this.key = key;
+      this.value = value;
+    }
+  }
+
+
+  public Iterable<Entry> entries() {
+    return new Iterable<Entry>() {
+
+      public Iterator<Entry> iterator() {
+        return entryIterator();
+      }
+    };
+  }
+
+
+  public Iterator<Entry> entryIterator() {
+    return new Iterator<Entry>() {
+      int index = -1;
+
+      public void remove() {
+        removeIndex(index);
+        index--;
+      }
+
+      public Entry next() {
+        Entry e = new Entry(keys[index], values[index]);
+        index++;
+        return e;
+      }
+
+      public boolean hasNext() {
+        return index+1 < size();
+      }
+    };
+  }
+
+
+  // . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
+
+
   public String key(int index) {
     return keys[index];
   }
diff --git a/core/src/processing/data/IntDict.java b/core/src/processing/data/IntDict.java
index accdf7393..57d045d4c 100644
--- a/core/src/processing/data/IntDict.java
+++ b/core/src/processing/data/IntDict.java
@@ -128,6 +128,55 @@ public class IntDict {
   }
 
 
+  // . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
+
+
+  public class Entry {
+    public String key;
+    public int value;
+
+    Entry(String key, int value) {
+      this.key = key;
+      this.value = value;
+    }
+  }
+
+
+  public Iterable<Entry> entries() {
+    return new Iterable<Entry>() {
+
+      public Iterator<Entry> iterator() {
+        return entryIterator();
+      }
+    };
+  }
+
+
+  public Iterator<Entry> entryIterator() {
+    return new Iterator<Entry>() {
+      int index = -1;
+
+      public void remove() {
+        removeIndex(index);
+        index--;
+      }
+
+      public Entry next() {
+        Entry e = new Entry(keys[index], values[index]);
+        index++;
+        return e;
+      }
+
+      public boolean hasNext() {
+        return index+1 < size();
+      }
+    };
+  }
+
+
+  // . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
+
+
   public String key(int index) {
     return keys[index];
   }
diff --git a/core/src/processing/data/StringDict.java b/core/src/processing/data/StringDict.java
index 5231c44d4..3768f6953 100644
--- a/core/src/processing/data/StringDict.java
+++ b/core/src/processing/data/StringDict.java
@@ -129,6 +129,55 @@ public class StringDict {
   }
 
 
+  // . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
+
+
+  public class Entry {
+    public String key;
+    public String value;
+
+    Entry(String key, String value) {
+      this.key = key;
+      this.value = value;
+    }
+  }
+
+
+  public Iterable<Entry> entries() {
+    return new Iterable<Entry>() {
+
+      public Iterator<Entry> iterator() {
+        return entryIterator();
+      }
+    };
+  }
+
+
+  public Iterator<Entry> entryIterator() {
+    return new Iterator<Entry>() {
+      int index = -1;
+
+      public void remove() {
+        removeIndex(index);
+        index--;
+      }
+
+      public Entry next() {
+        Entry e = new Entry(keys[index], values[index]);
+        index++;
+        return e;
+      }
+
+      public boolean hasNext() {
+        return index+1 < size();
+      }
+    };
+  }
+
+
+  // . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
+
+
   public String key(int index) {
     return keys[index];
   }
diff --git a/core/todo.txt b/core/todo.txt
index 60f91f817..0f7c8f2e1 100644
--- a/core/todo.txt
+++ b/core/todo.txt
@@ -1,18 +1,19 @@
 0256 (3.2.4 or 3.3)
 X write exec() documentation
 X   https://github.com/processing/processing/issues/4740
+
+api additions
 X add listPaths(), listFiles()
 X   https://github.com/processing/processing/issues/4622
-_   needs documentation
 X add increment() method that takes IntDict to merge another dictionary
 X   Calling this increment() since it doesn't make sense in practice for
 X   the other dictionary types, even though it's technically an add()
+X add Entry class for iterating StringDict, IntDict, FloatDict
 
 contribs
 X Adding missing docs and keywords for TableRow
 X   https://github.com/processing/processing/pull/4333
 
-_ add StringDict.Entry class for iterating
 
 _ TRIANGLE_STRIP not working correctly with createShape() and default renderer
 _   https://github.com/processing/processing/issues/4678
@@ -109,7 +110,6 @@ _   https://www.linkedin.com/pulse/oracle-just-removed-javafx-support-arm-jan-sn
 
 
 opengl questions
-_ hard crash at 1920x1080, mirrored, Casey's GT 650M 1GB
 _ exitCalled() and exitActual made public by Andres, breaks Python
 _   also not API we want to expose, so sort this out
 _   or maybe we're fine b/c now FX2D needs it as well
@@ -191,11 +191,6 @@ _   at least with the Java2D renderer
 _ don't override the window icon w/ p5 logo if already set
 
 
-retina/hidpi
-_ no high-dpi support for core on Windows
-_   https://github.com/processing/processing/issues/2411
-
-
 decisions/misc
 _ Separately, if we wanted, we could add a method that can safely do drawing calls, but that won't be any faster or make use of more processors the way that `thread()` does. 
 _ need reference update for createShape()