diff --git a/TODO b/TODO
index 6a8a4e6..c5af319 100644
--- a/TODO
+++ b/TODO
@@ -1,2 +1,4 @@
 - look at test coverage
-- docs
\ No newline at end of file
+- docs
+
+- emit two packages: one for dev, which includes expensive runtime validation checks, and one for release, which disables them
\ No newline at end of file