Was it already reported that mats got reduced to 10xGoldclover(down from 12) 10xAdder's Tongue(down from 12) and 4xTalandra's Rose and 4xEnchanted Vials (removed 4xTiger Lily)?
Re: Northrend Alchemy Research Undocumented Intentional? Change 3.0.8 (newest Build)
cannot remember if there was an anouncement or newspost to what exactly the mats changed to. blizz poster just stated that they were to reduce materials needed.