```ruby
#Licensed to the Apache Software Foundation (ASF) under one or more
#contributor license agreements.  See the NOTICE file distributed with
#this work for additional information regarding copyright ownership.
#The ASF licenses this file to You under the Apache License, Version 2.0
#(the "License"); you may not use this file except in compliance with
#the License.  You may obtain a copy of the License at
#
#http://www.apache.org/licenses/LICENSE-2.0
#
#Unless required by applicable law or agreed to in writing, software
#distributed under the License is distributed on an "AS IS" BASIS,
#WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
#express or implied. See the License for the specific language governing
#permissions and limitations under the License.

r301 %r{/releases/latest/javadoc/(.*)}, 'http://geode.apache.org/releases/latest/javadoc/$1'
rewrite '/', '/docs/guide/18/about_geode.html'
rewrite '/index.html', '/docs/guide/18/about_geode.html'
```

Update current version to 1.9.0
user
```ruby
#Licensed to the Apache Software Foundation (ASF) under one or more
#contributor license agreements.  See the NOTICE file distributed with
#this work for additional information regarding copyright ownership.
#The ASF licenses this file to You under the Apache License, Version 2.0
#(the "License"); you may not use this file except in compliance with
#the License.  You may obtain a copy of the License at
#
#http://www.apache.org/licenses/LICENSE-2.0
#
#Unless required by applicable law or agreed to in writing, software
#distributed under the License is distributed on an "AS IS" BASIS,
#WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
#express or implied. See the License for the specific language governing
#permissions and limitations under the License.

r301 %r{/releases/latest/javadoc/(.*)}, 'http://geode.apache.org/releases/latest/javadoc/$1'
rewrite '/', '/docs/guide/19/about_geode.html'
rewrite '/index.html', '/docs/guide/19/about_geode.html'
```
assistant