diff --git a/plans/sx-improvements.md b/plans/sx-improvements.md
index 4e02418a..b500bc38 100644
--- a/plans/sx-improvements.md
+++ b/plans/sx-improvements.md
@@ -216,7 +216,7 @@ these when operands are known numbers/lists.
 | 7 — nested patterns | [x] | 0679edf5 |
 | 8 — exhaustiveness warnings | [x] | 6d391119 |
 | 9 — parser feature registry | [x] | 986d6411 |
-| 10 — compiler + as converter registry | [ ] | — |
+| 10 — compiler + as converter registry | [x] | d22361e4 |
 | 11 — plugin migration + worker | [ ] | — |
 | 12 — frame records | [ ] | — |
 | 13 — buffer primitive | [ ] | — |