marionettejs/backbone.marionette — pull request #2149 by megawac (2014-12-19 01:46:44+00:00)
Title: Scope LayoutView regions to the view's elements

All right, this is a pretty busy PR and several others have already proposed alternates, however I think this is by far the cleanest way we can solve this issue.

Fixes #1685, closes #2063 and closes #2033

See those issues for more context, this solution was previously discussed in detail https://github.com/marionettejs/backbone.marionette/pull/2063#discussion_r21800528