diff --git a/doc/semver_status.md b/doc/semver_status.md
index 19b246921..da8e3cab9 100644
--- a/doc/semver_status.md
+++ b/doc/semver_status.md
@@ -47,6 +47,8 @@ arti-client:
   api-break (experimental only): changed circmgr() and dirmgr() to return
   &Arc, not Arc.
 
+  api-break: isolation completely revised
+
 tor-dirmgr:
   new-api: DirMgrConfig object now has accessors.
   DirMgrCfg: totally changed, builder abolished.
@@ -54,6 +56,8 @@ tor-dirmgr:
 tor-circmgr:
   CircMgrCfg: totally changed, builder abolished.
 
+  api-break: isolation completely revised
+
 tor-netdoc:
 
   new-api (experimental only): Can modify the set of relays in an unverified