The upcoming platform update is scheduled for Tuesday, January 20th, 2015.
Chromedriver is updated to version 2.13.
Elasticsearch is now on version 1.3.7.
MongoDB gets an update with version 2.4.12.
RethinkDB is updated to 1.15.3.
Trying the new platform
By selecting Ubuntu 14.04 LTS v1501 (release candidate) in Project Settings > Platform, you can try out this platform update right away. To avoid any problems during the final release next Tuesday, we encourage you to try out this release candidate so we can make the necessary fixes if needed.
A full list of changes is available in the platform changelog.