Bug: MeshOutline now stopped working entirely

in v7 make a cube, call MeshOutline - works.
in v8 and v9 not anymore.

i remember starting to have some issue with it some time ago but now it does not create anything at all anymore, it just quits silently with nothing done.

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I found that it works fine in Rhino 8.19 on my MBP 2019.

I confirm it doesn’t work anymore : Version 8 SR20
(8.20.25133.14001, 2025-05-13)

Thankfully, I can still use the Grasshopper “Mesh Shadow” component.

I never made a meshoutline in Rhino before, but did as you said.

made a cube
called meshoutline.
Enter, it seems nothing happened , but then I saw this.

Is this would it should be?

Ho Eef, what build of Rhino are you using ?
This issue seems related to the latest version.

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Rhino 8, 8.19.25127.17002

I will update to 8.20 in a minute and let you know.

PS: Updated to 8.20.25133.14002, 2025-05-13
And can confirm that nothing happened after MeshOutline.

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in that case it indeed stopped working in 8.20 and the recent v9

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@Gijs could you maybe have a look if you manage to produce it with the recent release? there are 3 people in here experiencing this issue

yes, definitely busted in 8.20

RH-87452 MeshOutline is broken in 8.20

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RH-87452 is fixed in Rhino 8 Service Release 20