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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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The PNG format is made of chunks that have determined roles, and provides provisions for newer "standardized" chunks alongside the custom chunks it had supported until now. It is likely that PNG made with newer software that does not use new features, or uses only additional features, will remain readable by older software to some extent.