update preview version
@@ -25,7 +25,7 @@ pulsar_repo: https://github.com/apache/incubator-pulsar/tree/master
baseurl: /
destination: ../generated-site/content
-preview_version_id: 20180330.125917-6
+preview_version_id: 20180426.125800-32
current_version: 1.22.0-incubating
archived_releases:
- 1.21.0-incubating
