* '''Iteration 40.2:''' Tuesday April 21 - Monday May 4
* '''Iteration 40.3:''' Tuesday May 5 - Monday May 18
<p> </p>
'''Firefox 41 Release'''
* '''Iteration 41.1:''' Tuesday May 19 - Monday June 1
* '''Iteration 41.2:''' Tuesday June 2 - Monday June 15
* '''Iteration 41.3:''' Tuesday June 16 - Monday June 29
<p> </p>