6. Thieves also gain a second bonus action instead of second-story work, since there is no climbing, cunning action only works for Dash as Hide and disengange are bonus actions for every class, which makes the Rogue weaker in comparison.
Cunning action: Hide specially is one of the most iconic features of the class in the PnP.
You can use the second bonus action for a second off-hand attack, that's not exactly weak.
