How to instal OpenFX plugins?

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Hi, does anyone have any successful experience installing OpenFX plugins in Copernicus?

I tried installing several different releases of OpenFX, but I had problems with compilation, or Houdini simply did not respond when I added plugins to the OFX folder.

I am most interested in this plugin library: https://github.com/NatronGitHub/openfx-misc [github.com] Maybe anyone managed to install it?
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Okay, I managed to install the Sapphire plugins from their launcher. During installation, all libraries are immediately placed in C/Program Files/Common/OFX. There are a bunch of cool effects that work in Copernicus.

Now I'm trying to figure out how to connect third-party open source libraries.
Edited by parrtizan - Aug. 23, 2025 11:40:12

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I installed the demo for Sapphire. The plugin shows up in C:\Program Files\Common Files\OFX\Plugins, but nothing is showing up in Houdini Copernicus.

My system environment variables:
OFX_PLUGIN_PATH = "C:\Program Files\Common Files\OFX\Plugins"
HOUDINI_DISABLE_OPENFX_DEFAULT_PATH = 0

Am I missing something?

EDIT: So I fired up Houdini 20.5 and it worked. Still does not work in Houdini 21.
Edited by JustinCrapse - yesterday 21:16:09
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