diff --git a/doc/todo/faster_incremental_update_of_view_branch_by_git-annex_sync.mdwn b/doc/todo/faster_incremental_update_of_view_branch_by_git-annex_sync.mdwn
index 7b2ebe9775..7745bb7af3 100644
--- a/doc/todo/faster_incremental_update_of_view_branch_by_git-annex_sync.mdwn
+++ b/doc/todo/faster_incremental_update_of_view_branch_by_git-annex_sync.mdwn
@@ -21,3 +21,7 @@ sped up some commands around 2x before IIRC.
 > catObjectStream of metadata logs sped view constriction up by ~50%.
 > More streaming should speed it up more; it still uses
 > lookupKey/catKey once per file. --[[Joey]]
+
+> Seems like this was implemented in
+> [[!commit 5f9bf51438a16b73d6fcf30f3ca43fbb894ea5df]]
+> ... so [[done]]! --[[Joey]]