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Fixed in 2021.2.X

Fixed in 2020.3.X, 2021.1.X



Found in


Issue ID




ArticulationBody anchors are repositioned even when any unrelated property is changed in the inspector



1) Open the attached project.
2) Hit Play
3) Notice that the sphere is attached to a static cube by a spring, and the system ends up in equilibrium
4) Click on the sphere and change the value any of the drive's properties.

Expected: If you increase stiffness, the sphere should lift up (because the spring becomes stronger)
Actual: No matter what you change, the sphere will only move down

This happens because when anything is changed in the inspector, we reposition the anchors relative to the current position of the connected bodies

  1. Resolution Note (fix version 2021.2):

    Fixed in 2021.2.0a9

  2. Resolution Note (fix version 2021.1):

    Fixed in 2021.1.6f1

  3. Resolution Note (fix version 2020.3):

    Fixed in 2020.3.8f1

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