1. When a friend joins a heist as a spectator it disables the option to restart after a failure.
2. When you buy ammo through the interaction menu during a heist it disappears when you restart after a failure.
3. When you restart after a failure there's a message that the CEO left even though he's still there so you need to restart again.
4. After you finish inviting ppl to a heist and launch it the game tells you that you were kicked out.
5. Very long loading time after you finish a setup or finale.
6. When the group finish a setup and spawn in free roam one of the members is no longer part of the organization.
Edit: also posted on R* support