Nothing new here. Airbus AND Boeing worked together and came up with a new "Stall recovery" checklist that placed emphasis on lowering the nose to reduce the AOA BEFORE adding thrust. This checklist was placed in our QRH's DEC 2010.
But that is for "stall recovery", not "approach to stall".
CulturAiles - human factors - B737-800 stall during approach
I suspect that the notice clarifying (or changing) stall recovery procedures is in response to one of the recommendations made in the NTSB report of the Colgan Dash 8 accident near Buffalo, NY.
I'm thinking it was more this;
TK1951
CulturAiles - human factors - B737-800 stall during approach