Constraints not replicated when connected to a BasePart attached to an animated Bone

Bug Reports Engine Bugs
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1

Constraints not replicated when connected to a BasePart attached to an animated Bone, on Client side the Constraint then works fine but not replicated to the Server.

Started happening around March 2025.

Example:

  • CharacterModel
    • HumanoidRootPart
    • RootPart
      • RootBone (not animated)
        • SpineBone (descendants and this animated)
          • CollarBone
            • HandBone
    • BasePart
      • Attachment_1
      • Attachment_2
      • RigidConstraint:
        Attachment0 = Attachment_1,
        Attachment1 = HandBone
    • AnotherPart
      • Attachment_3
      • AnyMovingConstraint (mainly want the RopeConstraint to work, but none worked):
        Attachment0 = Attachment_3,
        Attachment1 = Attachment_2
2

Can you explain in more detail what you’re seeing and what you expect? If you have a place file that reproduces the issue that would also help. (You can post or send a message.) Thanks