New source found from dndbeyond.com

ddb_main/hooks/useAbilities.ts

@@ -1,9 +1,6 @@
 import { useContext, useEffect, useState } from "react";
 
-import {
-  AbilityManager,
-  FeaturesManager,
-} from "@dndbeyond/character-rules-engine/es";
+import { AbilityManager } from "@dndbeyond/character-rules-engine/es";
 
 import { AttributesManagerContext } from "~/tools/js/Shared/managers/AttributesManagerContext";
 
@@ -18,7 +15,7 @@ export function useAbilities() {
 
       setAbilities(abilities);
     }
-    return FeaturesManager.subscribeToUpdates({ onUpdate });
+    return AbilityManager.subscribeToUpdates({ onUpdate });
   }, [attributesManager, setAbilities]);
 
   return abilities;