[Bug] Constraint broken in 4.8?

[anonymous_user_01dd28a6]

I made the default first person shooter project.
Made a DoorTest blueprint
Made the SM_DoorFrame be the root.
Made the SM_Door as a child in the door frame.
Added a Constraint.

Tried every combo of checkboxes, physics etc.

The door is never constrained.

It flies off into the distance when touched.

I tried running into it slowly, and it flies off slowly.

If I set the SM_Door to constrain physics motion to all but Z axis rotation, then is swings like a door
but is still never constrained at all.

The editor shows the constraint red and blue lines so I know the Constraint has the correct child names.

Any ideas???

Ill try to attache a stripped down project in a zip file.

[anonymous_user_01dd28a6]

Can only zip 5 MB. So instead is uploaded to here…

Dropbox - Error

[anonymous_user_583527e9]

On PhysicsConstraintComponent, you only need to specify Component Name 1 as SM_Door. All the other settings are fine.

All the components constrained by PhysicsConstraintComponent should simulate physics. In your case, you only need to simulate the door but not the frame. Therefore, you don’t need to constrain the frame at all.