CHANGELOG.md in google-cloud-bigquery-1.17.0 vs CHANGELOG.md in google-cloud-bigquery-1.18.0

@@ -1,6 +1,27 @@
 # Release History
 
+### 1.18.0 / 2019-11-06
+
+#### Features
+
+* Add optional query parameter types
+  * Allow query parameters to be nil/NULL when providing an optional
+  * Add types argument to the following methods:
+    * Project#query
+    * Project#query_job
+    * Dataset#query
+    * Dataset#query_job
+* Add param types helper methods
+  * Return the BigQuery field type code, using the same format as the
+  * Add Schema::Field#param_type
+  * Add Schema#param_types
+  * Add Data#param_types
+  * Add Table#param_types
+  * Add External::CvsSource#param_types
+  * Add External::JsonSource#param_types
+* Add support for all_users special role in Dataset access
+
 ### 1.17.0 / 2019-10-29
 
 This release requires Ruby 2.4 or later.
 
 #### Documentation