Update CHANGELOG.md to mention limbo resolution throttling (#2864)

dconeybe · web-flow · commit 5b90965ee9f3 · 2020-04-06T09:18:33.000-04:00
diff --git a/packages/firestore/CHANGELOG.md b/packages/firestore/CHANGELOG.md
@@ -1,4 +1,6 @@
 # Unreleased
+- [changed] Firestore now limits the number of concurrent document lookups it
+  will perform when resolving inconsistencies in the local cache (#2683).
 - [changed] Changed the in-memory representation of Firestore documents to
   reduce memory allocations and improve performance. Calls to 
   `DocumentSnapshot.getData()` and `DocumentSnapshot.toObject()` will see
