diff --git a/core/src/processing/core/PApplet.java b/core/src/processing/core/PApplet.java
index ff45c3c59..2b78cb9fd 100644
--- a/core/src/processing/core/PApplet.java
+++ b/core/src/processing/core/PApplet.java
@@ -1507,8 +1507,9 @@ public class PApplet extends Applet
         // screen and the component is valid. The OpenGL renderer will
         // request focus for its canvas inside beginDraw().
         // http://java.sun.com/j2se/1.4.2/docs/api/java/awt/doc-files/FocusSpec.html
-        //println("requesting focus");
-        requestFocus();
+        // Disabling for 0185, because it causes an assertion failure on OS X
+        // http://code.google.com/p/processing/issues/detail?id=258
+//        requestFocus();
       }
 
       // wait for update & paint to happen before drawing next frame
@@ -7393,8 +7394,10 @@ public class PApplet extends Applet
       }
     }
 
-    applet.requestFocus(); // ask for keydowns
-    //System.out.println("exiting main()");
+    // Disabling for 0185, because it causes an assertion failure on OS X
+    // http://code.google.com/p/processing/issues/detail?id=258
+    // (Although this doesn't seem to be the one that was causing problems.)
+    //applet.requestFocus(); // ask for keydowns
   }
 
 
diff --git a/core/todo.txt b/core/todo.txt
index fa0f6ac8f..58cda6160 100644
--- a/core/todo.txt
+++ b/core/todo.txt
@@ -8,6 +8,9 @@ o svg issue with implicit path command
 o   http://dev.processing.org/bugs/show_bug.cgi?id=1561
 o   http://code.google.com/p/processing/issues/detail?id=257
 X   appears to be faulty code
+X remove call to requestFocus() that broke the ColorSelector (and Editor)
+X   and was also breaking some applets
+X   http://code.google.com/p/processing/issues/detail?id=258
 
 shape/svg work
 X fix for adobe illustrator-mangled svg id names with hex characters