diff --git a/TODO.md b/TODO.md
index c470d46..164cbf3 100644
--- a/TODO.md
+++ b/TODO.md
@@ -1,5 +1,8 @@
 # TODO:
 
+- fold_slice: load diffractions / hdf5 files; change only param per job
+    - restructure `FoldSlicePtychoEngine.__init__()` to load data but not params
+        - write new `prepare_data.m`
 - unify `BOEngine.__init__()`
 - BO train_x/y transfer between engines for single job
 - multi-GPU dispatcher
@@ -12,10 +15,10 @@
 - separate `config` into `bo_config` and `ptycho_config`; let `BOEngine` have no knowledge of ptychography and vice versa.
 - add GPU version of ExamplePtychoEngine
 - change `PtychoEngine.metric()` to accept list of names and return dict
+- custom sequence for BO
+    - design yaml first
+
 
 
 # TODAY:
-
-- fold_slice: load diffractions / hdf5 files; change only param per job
-    - restructure `FoldSlicePtychoEngine.__init__()` to load data but not params
-        - write new `prepare_data.m`
+- `UniformBOEngine`