Correction, it was MNG support that wasn't added because it would have added 100k to the executable, so Mozilla created APNG instead. https://bugzilla.mozilla.

Correction, it was MNG support that wasn't added because it would have added 100k to the executable, so Mozilla created APNG instead. https://bugzilla.mozilla.org/show_bug.cgi?id=257197 https://bugzilla.mozilla.org/show_bug.cgi?id=257197 https://www.reddit.com/r/ProgrammerTIL/comments/6xpm0l/other_there_are_animated_pngs_and_they_work_in/ https://www.reddit.com/r/ProgrammerTIL/comments/6xpm0l/other... https://en.wikipedia.org/wiki/APNG https://en.wikipedia.org/wiki/APNG MNG never took off, today WebP covers both still and moving images.