Add changelog entry

Author: simolus3

CHANGELOG.md

@@ -2,7 +2,11 @@
 
 ## unreleased
 
-- Add sync progress information through `SyncStatusData.downloadProgress`.
+* Add sync progress information through `SyncStatusData.downloadProgress`.
+* Add `trackPreviousValues` option on `Table` which sets `CrudEntry.previousValues` to previous values on updates.
+* Add `trackMetadata` option on `Table` which adds a `_metadata` column that can be used for updates.
+  The configured metadata is available through `CrudEntry.metadata`.
+* Add `ignoreEmptyUpdates` option which skips creating CRUD entries for updates that don't change any values.
 
 # 1.0.0