transparent gif in Natron

hello, I try to do a gif, but I need the background to be transparent. I explore for a long time on the internet and the software Natron, but I don’t found.

Is posible to make a transparent gif in Natron?

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I’m up against the same problem and sadly I don’t think it is possible. I’ve attached my .ntp file. transparent_gif.zip (1.3 MB)

If I change the output file to a png it outputs with an alpha channel but when changed back to .gif it has a black background. Not sure what could be causing it. Could be ffmpeg or maybe there’s a combination of settings that aren’t correct.

In the end I had to use imagemagick to remove the black background

mogrify -fuzz 1% -transparent black input.gif

However, this also all black pixels, which isn’t always ideal.