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PNG has been updated for the first time in 22 years — new spec supports HDR and animation
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this post was submitted on 03 Jul 2025
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I could have sworn animated pngs were a thing in the Macromedia Fireworks days. Really dating myself with that ref.
There were two different animated PNG extensions, MNG and APNG. Neither of them ever really caught on. I guess they're hoping to do better by baking it into the core spec.
APNG is what they're using in v3, so all many libraries need to do* is update that code for HDR.
* surely that's easy, right?
I mean, on a Linux system that's not riddled with flatpak / snap / ... You'd basically only need to update libpng and you'd be good.
Yes. But if you live in the future, you have to wait for dozens of dozens of intermediate to do so! Great!