diff --git a/README.md b/README.md
index 1a67c4d76..5d63a1722 100644
--- a/README.md
+++ b/README.md
@@ -44,8 +44,12 @@
 - [ ] firmware consolidation
 - [ ] Nozzle - Rotary
   - [ ] Inserts
-- [ ] SJ25 extensions (mixer, valve, ...)
-- [ ] Motor cooling / sensors
+- [ ] SJ25/30/35 extensions (mixer, valve, ...)
+  - [ ] Hopper
+    - [x] Dual Feed - Screws (nema23)
+    - [ ] Dual Feed - Fluid (valves)
+    - [ ] Quick release
+- [-] Motor cooling / sensors
 
 ## Injection