rubymotion/BubbleWrap — pull request #324 by hboon (2013-12-14 08:03:29+00:00)
Title: Added BubbleWrap.use_weak_callbacks, default to false.

When set to true, #weak! will be used for UIControlWrapper.

Also: https://github.com/rubymotion/BubbleWrap/issues/322#issuecomment-30558903