Preload Scala cache with Play 2.4.3
Change effective on 21 September 2015
Heroku’s Scala support now preloads an application’s SBT cache with Play 2.4.3 artifacts in order to reduce the build time of newly deployed applications.
For more information on Play 2.4.3, see the Play Framework documentation. For more on Heroku’s Scala support, see the Dev Center guide to Deploying Scala Applications.