The topic was already tackled by many here and there, but I couldn't find a comprehensive treatise about that in these forums.
My question is: which weapons that attack in a AoE or proc an AoE on crit translate the ability effects to all its AoE hits? I did some testing myself and recollected some infos scattered around. And also... what about weapons that do attacks that "bounce"? Does the second attack transfer ability effects? Is there a logic or a general rule behind the translation of ability effects?
Edit: here's what the common knowledge is (patch 1.2):
Normal weapons
WotEP AoE: it does transfer ability effects (Crippling Strike, Blinding Strike, Stunning Blows, etc.); it does NOT work with Swift Flurry and Heartbeat Drumming.
Whahai Poraga AoE: it does transfer ability effects and it does proc Swift Flurry and Heartbeat Drumming.
Hand Mortar/Fire in the Hole AoE: it does transfer ability effects (Dorftek made a build around this feature).
Frostseeker AoE on crit: it does NOT translate any ability effect.
Watershaper's Focus* bounce attack: it does apply ability effects.
Rods' modal AoE: it does apply ability effects. *Watershaper's Focus, being also a rod, can then achieve two AoE jumps (=three AoE attacks) with Driving Flight firing just once (as pointed out by Boeroer).
Summoned weapons
Kalakoth's Minor Blights: it transfers rogue ability effects (Crippling Strike, Blinding Strike, etc.) and Stunning Blow.
Citzal's Spirit Lance: it transfers ability effects and it procs Swift Flurry and Heartbeat Drumming (tested by Boeroer).
P.S.: I'll keep updating the list if somebody has new infos or any suggestion.