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PNG has been updated for the first time in 22 years — new spec supports HDR and animation
(www.tomshardware.com)
This is a most excellent place for technology news and articles.
Animated PNG has been trying to be an extension to the PNG spec for 20+ years.
https://en.wikipedia.org/wiki/APNG
Right there's actually like a select few applications that support it which is cool, but so many get confused when they see an apng file with frames.