Backport changelog fixups from b/267167412
# Unreleased
-- [changed] Transactions now perform exponential backoff before retrying.
- This means transactions on highly contended documents are more likely to
- succeed.
+
+# 21.1.0
- [feature] Added a `terminate()` method to `FirebaseFirestore` which
- terminates the instance, releasing any held resources. Once it completes,
- you can optionally call `clearPersistence()` to wipe persisted Firestore
- data from disk.
+ terminates the instance, releasing any held resources. Once it completes, you
+ can optionally call `clearPersistence()` to wipe persisted Firestore data from
+ disk.
- [feature] Added a `waitForPendingWrites()` method to `FirebaseFirestore`
- class which allows users to wait on a promise that resolves when all
- pending writes are acknowledged by the Firestore backend.
+ which allows users to wait on a promise that resolves when all pending writes
+ are acknowledged by the Firestore backend.
+- [changed] Transactions now perform exponential backoff before retrying. This
+ means transactions on highly contended documents are more likely to succeed.
# 21.0.0
- [changed] Transactions are now more flexible. Some sequences of operations
