this post was submitted on 29 Jun 2025
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[โ€“] TootSweet@lemmy.world 12 points 1 month ago (1 children)

There were two separate attempts at creating an animated PNG format back when. "APNG" and "MNG". I Firefox even supports APNG. I guess that was never part of the PNG spec, though. Just a separate image format that was loosely inspired by PNG and also supported animation, I guess.

[โ€“] The_Decryptor@aussie.zone 4 points 1 month ago

MNG tried to do everything (iirc it could even embed links, did play/pause, and seeking, like a static version of Flash), not surprising it didn't catch on. APNG was a simple enough extension that everybody just ended up using that instead (The only browser that doesn't support it being IE and IE-era Edge). Now the W3C is handling PNG, they just accepted that reality and added it to the official spec now.