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Fusion Viewers not working in v20 b3

PostPosted: Sun May 11, 2025 9:38 pm
by dahya.mistry
Since v20 beta 2, any Fusion work that I had already done now doesn't show in the viewers. It doesn't matter which nodes I attempt to preview, media in, media out, anything in between, they don't show in the preview windows (Clean feed and normal preview window).

However, anything that doesn't have any fusion composition shows.

Would anyone have any ideas what's wrong ? It used to work prior to v20 beta 2.

Re: Fusion Viewers not working in v20 b3

PostPosted: Mon May 12, 2025 12:01 am
by RCModelReviews
Could it be a video driver issue?

You don't state your hardware but if you're running an NVIDIA GPU then it's worth nothing that sometimes the latest driver isn't necessarily the best driver. If you've updated drivers recently try rolling back and if you haven't updated, check to see if there's a later one available.

Re: Fusion Viewers not working in v20 b3

PostPosted: Mon May 12, 2025 6:53 am
by dahya.mistry
RCModelReviews wrote:Could it be a video driver issue?

You don't state your hardware but if you're running an NVIDIA GPU then it's worth nothing that sometimes the latest driver isn't necessarily the best driver. If you've updated drivers recently try rolling back and if you haven't updated, check to see if there's a later one available.


That's what I initially thought, so I actually updated my driver which seemed to help for a while, but then the issue still persisted ! Here are my specs:

AMD Ryzen 9 3900X 12 -core processor
NVIDIA GeForce RTX 3070 with the Studio driver (latest version)
32GB RAM
SSDs x 2

I may try downgrading the graphics driver, but I'm not sure if I should.

Re: Fusion Viewers not working in v20 b3

PostPosted: Tue May 13, 2025 4:51 pm
by Jim Simon
Can you share a one clip Archive that shows the issue, D?

(I'm not seeing any problem with a lowly 8 GB GTX 1070 in Studio 20b3 for Windows.)