Constraints not respecting animations (with ReactionForce)

Bug Reports Engine Bugs
#1

When using constraints to attach a part to an animated model the constraints will fail to wake their part if it stays still long enough to sleep and happens even when reaction forces are enabled. This also happens if I use a BallSocketConstraint instead of an AlignPosition.

https://gfycat.com/SingleBouncyFulmar

AlignWakeBugRepro.rbxl (24.9 KB)

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#2

Thanks for the report, we have filed a ticket.

In the meantime, you should be able to work around this by adjusting some constraint parameter to get the parts to wake up again when the animation ends.

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#3

@kleptonaut related.

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