Prepare the CHANGELOG for 1.3.0.
@@ -3,6 +3,8 @@ CHANGELOG
## HEAD (Unreleased)
+## 1.3.0 (2019-10-09)
+
- Propagate resource inputs to resource state during preview, including first-class unknown values. This allows the
preview to better estimate the state of a resource after an update, including property values that were populated
using defaults calculated by the provider.
