diff --git a/todo.md b/todo.md
index 9325f578..e91bf5d0 100644
--- a/todo.md
+++ b/todo.md
@@ -1,3 +1,5 @@
+* util
+	* span: fix constness + create from vector
 * geom
 	* Primitives of dynamic runtime size (Eigen-like)
 	* Tests
@@ -6,7 +8,7 @@
 * gfx
 	* add more pixmap fonts
 	* painter should be 2D only, make a separate 3D painter
-	* implement proper .OBJ loader (with materials & vertex sharing)
+	* mesh: cleanup interface (more load_raw; use util::span)
 	* deferred renderer
 		* cascaded shadow maps
 		* CPU frustum culling