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I don't believe you, frankly. I don't believe that Google makes breaking changes to existing image formats often.

• astrange 3y ago
  They already did - WebP added a lossless mode and VP8 was updated to VP9. Though the same may happen to JPEG; it always had 10-bit and 12-bit modes but most decoders don't support them. (Not sure if they can decode it as 8-bit or not.)
  • insanitybit 3y ago
    Are those breaking changes? I'd assume that a decoder would continue to work, just would not support the lossless mode/ VP9.
    • astrange 3y ago
      It will work on old files (since they've already been encoded) but not on new files with the same file extension, and not on, say, YouTube.
      • insanitybit 3y ago
        Interesting, thanks.