We've just updated Chat+ with the latest version of Rocket.Chat v.0.19.0
You can download it here - http://ci.boonex.com/chat/latest.php
I would recommend the following command line script to download new version with the correct name:
wget --content-disposition http://ci.boonex.com/chat/latest.php
To update you current Chat+ server:
- stop old version
- download & unpack new version
- run script from example-init.sh script
- run new server by renaming & modifying example-start.sh script
It should retain old chat data.