diff --git a/plans/sx-improvements.md b/plans/sx-improvements.md
index 87f34738..13e0a194 100644
--- a/plans/sx-improvements.md
+++ b/plans/sx-improvements.md
@@ -237,7 +237,7 @@ these when operands are known numbers/lists.
 | 9 — parser feature registry | [x] | 986d6411 |
 | 10 — compiler + as converter registry | [x] | d22361e4 |
 | 11 — plugin migration + worker | [x] | 6328b810 |
-| 12 — frame records | [x] | — (fib -66%, loop -69%, reduce -86% via prim_call fast path) |
+| 12 — frame records | [x] | a66c0f66 (fib -66%, loop -69%, reduce -86% via prim_call fast path) |
 | 13 — buffer primitive | [ ] | — |
 | 14 — inline primitives JIT | [ ] | — |