It would seem that things are not so simple. https://en.wikipedia.org/wiki/APNG https://en.wikipedia.org/wiki/APNG It's rather unfortunate that the apng file

It would seem that things are not so simple. https://en.wikipedia.org/wiki/APNG https://en.wikipedia.org/wiki/APNG It's rather unfortunate that the apng file extension wasn't adopted instead.