diff --git a/core/todo.txt b/core/todo.txt
index 0fcf902e5..0da0bfb70 100644
--- a/core/todo.txt
+++ b/core/todo.txt
@@ -6,6 +6,8 @@ X   add sumDouble() to FloatList, FloatDict (to handle outside float range)
 X   throw exception when using sum() with numbers that are too large or small
 X createInput() and createOutput() now both use buffered streams by default
 X   createInputRaw() does not, however
+X don't derive the font again if the size is unchanged
+X   part of https://github.com/processing/processing/issues/4956
 
 
 gohai