Is there a bug in the flux convolution code?

Apology because this is a vague question, but: is there something wrong with the convolution code in Flux?

Looking at the results of this example , they just do not “look right”. (I think there is an interactive example of this somewhere on flux pages but cannot find it).

And 1-2 years ago I also vaguely remember some comment I read, maybe on here (Discourse), that suggested that there was a problem in convolutions, but also cannot find that.

Flux does have a number of registered issues related to convolution. I guess you could look there.

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