diff --git a/pd/nw/todo.txt b/pd/nw/todo.txt
index 5d14825334ea0a542d50d345f77af1834e0eb9c3..3f5c87611cc68fd48ce7fcdd88afd27032c3ef0a 100644
--- a/pd/nw/todo.txt
+++ b/pd/nw/todo.txt
@@ -280,6 +280,9 @@ Everything else: (A [x] means we've fixed it)
 [ ] same for all commits up to Jul 31, 2015
 [ ] address double-free when closing a canvas that is a canvas field
     of a scalar
+[ ] current try/catch parser in the socket receiver is too slow. For lots of
+    data it can end up freezing the GUI. (Test if requestAnimationFrame makes
+    any difference...)
 
 Crashers
 --------