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More information on new Breguet escapement
I was able to get confirmation from Breguet that in a quest to continue innovating and following in the footsteps of Abraham Louis Breguet, the company is indeed experimenting with a new escapement.
This will be a detent escapement (?chappement ? d?tente), which is quite interesting because, although this is an escapement which has been well known for some time (it was invented in the late 1700s, and was since systematically used in marine chronometers), it is very difficult to implement in wrist watches (or pocket watches, for that matter).
Those of you who own a marine chronometer will know quite well how, after having wound up the clock from a full stop, you have to give it a quick twist to actually get it started. This is because the detent escapement inherently has a "dead" position, where the forces are in equilibrium and the escapement will not move. Apparently, detent escapements are quite sensitive to external disturbances, and can wind up in this "dead" position by themselves if jarred just at the right time, even though the manispring is still wound. Imagine looking down at your wrist after hailing a cab and finding that your watch has stopped while you were clapping at the end of the concert... 
So the real feat here is, in my opinion, that Breguet must have obviously found a way to work around this issue, and come up with a detent escapement which does not suffer from this problem! I do not know how they did this, but I am definitely looking forward to finding it out!!!
As an aside, however, no plans whatsoever have been made thus far in terms of where this escapement will be used. So the rumor that this may end up in a new version of the Tradition are just that: a rumor, and apparently a false one at that.
