diff --git a/Works-in-progress.md b/Works-in-progress.md
index 1d7d2f1..adf4382 100644
--- a/Works-in-progress.md
+++ b/Works-in-progress.md
@@ -41,9 +41,14 @@
     - [ ] `flat_tree`
     - [x] `pair`
     - [x] `vector`
+    - [ ] `abstract_channel`
+    - [ ] `abstract_state_machine`
     - [ ] UTF-8 `string` (See BigJ's string)
         - [ ] UTF-8 range identification function
-    - [ ] CBOR parser and serializer
+    - [x] CBOR parser and serializer
+        - [ ] Indefinite length lists
+        - [ ] Indefinite length associative lists
+        - [ ] Text (UTF-8) strings
     - [ ] `tuple`
     - Filesystems
         - [ ] `generic_filesystem` type erasing wrapper (`gp::function` style?)