URGENT BUG - Effects on 3D shape layers don't show at all - 2020 17.0.2
This is a crucial bug that needs to be fixed IMMEDIATELY!
Any shape layer that's 3D doesn't show any effects. If 3D is disabled on the layer, the effects show.
This is a crippling bug introduced in the latest update and it needs to be fixed ASAP!!!!

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Neil commented
Oh thank you! That fixed it. You just saved me from redoing 6k's worth of work.
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Hi Neil,
This sounds like the behavior when the Cinema 4D renderer is enabled in the current comp. In the Composition Settings, go to the 3D Renderer tab; the current renderer for that comp will be visible in the Renderer dropdown menu. If you aren't using the features of the Cinema 4D renderer like shape extrusion or curved footage, switch to the Classic 3D renderer will bring back the effects on 3D layers.
Please let us know if this is helpful, happy to help troubleshoot further.
Cheers,
- John, After Effects Quality Engineering