diff --git a/core/src/processing/data/JSONArray.java b/core/src/processing/data/JSONArray.java
index d1d0b50d6..58a2a4fd7 100644
--- a/core/src/processing/data/JSONArray.java
+++ b/core/src/processing/data/JSONArray.java
@@ -1099,7 +1099,10 @@ public class JSONArray {
 
 
   public boolean save(File file, String options) {
-    return write(PApplet.createWriter(file), options);
+    PrintWriter writer = PApplet.createWriter(file);
+    boolean success = write(writer, options);
+    writer.close();
+    return success;
   }
 
 
diff --git a/core/src/processing/data/JSONObject.java b/core/src/processing/data/JSONObject.java
index 8f1c8c3d4..d98030650 100644
--- a/core/src/processing/data/JSONObject.java
+++ b/core/src/processing/data/JSONObject.java
@@ -1554,7 +1554,10 @@ public class JSONObject {
 
 
   public boolean save(File file, String options) {
-    return write(PApplet.createWriter(file), options);
+    PrintWriter writer = PApplet.createWriter(file);
+    boolean success = write(writer, options);
+    writer.close();
+    return success;
   }
 
 
diff --git a/core/todo.txt b/core/todo.txt
index 9654ac4d8..7438c94ab 100644
--- a/core/todo.txt
+++ b/core/todo.txt
@@ -5,6 +5,8 @@ X Wrong positioning of circles in SVG shapes (regression from 2)
 X   https://github.com/processing/processing/issues/3685
 X setFill() on PShape in Java2D throws ArrayIndexOutOfBoundsException
 X   https://github.com/processing/processing/issues/3677
+X saveJSONObject() doesn't close the file
+X   https://github.com/processing/processing/issues/3705
 
 jakub
 X keyTyped() not firing with P2D and P3D
@@ -30,6 +32,10 @@ X   https://github.com/processing/processing/issues/3621
 X "Internal graphics not initialized yet"
 X   https://github.com/processing/processing/issues/3690
 X   https://github.com/processing/processing/pull/3692
+X Remove support for fixed-function pipeline
+X   https://github.com/processing/processing/issues/3505
+_ NullPointerException in Demos > Graphics > Planets
+_   https://github.com/processing/processing/issues/3551
 
 cleaning
 X How do images behave when pixelDensity(2) is set?
diff --git a/todo.txt b/todo.txt
index 64beab228..cd4ba1a98 100644
--- a/todo.txt
+++ b/todo.txt
@@ -13,6 +13,11 @@ X   no special case added for 10.8, but it's on the way out
 X move processing.mode.java.pdex.XQErrorTable to processing.ui.ErrorTable
 X   need to make the list abstract, also "scroll to line" feature
 X fix red in sidebar, the squiggly line beneath code
+_ ast generator complains about F instead of f after floats
+_   https://github.com/processing/processing/issues/3707
+o 3.0b4 demos fail to create PDF files
+_   https://github.com/processing/processing/issues/3708
+
 
 contribs
 X Undo does not move to the correct location in the editor window