Looks like there is now a new 747 "sub-route" which will only go to Lionel-Groulx. The previous 747 route is still in effect and stop at Terminus Lionel-Groulx before continuing to downtown and ending at Berri-UQAM but the frequency may not be as often as before.
http://www.stm.info/en/info/networks...-ville-shuttle