you do get a extra bonus actions... called cunning action, in 5e its limited how you can use this bonus action...
-"Starting at 3rd level, you can use the bonus action granted by your Cunning Action to make a Dexterity (Sleight of Hand) check, use your thieves' tools to disarm a trap or open a lock, or take the Use an Object action."
So you could toss alchemy fire, grease bottles, if i recall my 5e rules...as those are a object action... we have to ask anyone that played a rogue in the latest play test, how larian handles cunning action... hope that helps...
