CakePHP 1.2: redirect method

Previously (in CakePHP 1.1) it was best to add an exit or return after you redirect method like:

$this->redirect('controller/action');
exit();

or

$this->redirect('controller/action');
return();

in CakePHP 1.2 this can be shortened to:

$this->redirect('controller/action', null, true);

See cakebaker on this too.