spree/spree — pull request #5779 by pat (2014-12-15 05:49:03+00:00)
Title: Relaxing acts_as_list dependency.

0.5.0 is currently the latest, and I've run spree_core tests against 0.4.0 and 0.5.0 for both 2-4-stable and master. Figure it's fine to relax this (rather than insisting on a specific version, unless there was a reason for doing that in the first place?).