Undead and sneak attacks

[FuelDrop]

Back in the day (3.5) undead were immune to sneak attacks and critical hits. however, i can't find that rule listed anywhere in pathfinder. is this one of the differences between the systems, or has my search-fu failed me once again?

[Cheapy]

It is one of the differences. Rogues can sneak attack undead and constructs now.

See the sidebar here.

[Cheapy]

Previous discussion here, with SKR input.

Also Jason B weighing in on it.

[FuelDrop]

thanks