Sage 3.1.4 Release Tour
Sage 3.1.4 was released on October 20th, 2008. For the official, comprehensive release notes, see the HISTORY.txt file that comes with the release. For the latest changes see sage-3.1.4.txt.
IPython vs. init.sage startup issue
Besides some small fixes the main problem was that due to IPython changes in 3.1.3, Sage no longer started when a user had an init.sage.