comfy/comfortable-mexican-sofa — pull request #504 by arBmind (2014-08-11 09:30:00+00:00)
Title: Prevents caching session cookies with assets_controller

Cookies & public caching is harmful!
Clients will get wrong session cookies from caches and Rails will generate new sessions for each request.

Using the NullSession is an easy way to prevent Rails from sending session cookies or consuming flash messages.