New $() behaviour

New $() behaviour

A recent commit - http://github.com/jquery/jquery/commit/04524287d3e0112deae570ff9247c734833431bb
- changed the behaviour of $() from $(document) to $([]).
This is a change that I can truly jibe with, and I think the behaviour
makes sense. No one likes having to do $([]) to create an empty jQuery
object. Unfortunately, no change for 1.4 has made me think "will
break a lot of people's code" like this one. For some inane reason,
people (and a lot of tutorials) really started using the $() shortcut,
so the change kind of makes me somewhat uneasy.
Would love to hear any other perspectives on this. Should the change
stay in and be loudly shouted as a potential 1.4 transition issue, or
rolled back?
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