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Keep animation properties when saving JPEG XL - #4632
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Allows animated JXL output (loop/delay) now that libvips supports it (8.15+ with libjxl).
janaz
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Oct 12, 2026
| inputGifGreyPlusAlpha: getPath('grey-plus-alpha.gif'), // http://i.imgur.com/gZ5jlmE.gif | ||
| inputGifAnimated: getPath('rotating-squares.gif'), // CC0 https://loading.io/spinner/blocks/-rotating-squares-preloader-gif | ||
| inputGifAnimatedLoop3: getPath('animated-loop-3.gif'), // CC-BY-SA-4.0 Petrus3743 https://commons.wikimedia.org/wiki/File:01-Goldener_Schnitt_Formel-Animation.gif | ||
| inputJxlAnimated: getPath('rotating-squares.jxl'), // CC0 https://loading.io/spinner/blocks/-rotating-squares-preloader-gif |
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I converted rotating-squares.gif using sharp with this change
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Thank you Tomasz |
lovell
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Oct 12, 2026
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This PR enables generating animated JPEG XL images. The current
sharpversion depends onlibvipswhich has support for animated JPEG XL (since v8.15), but thedelayandloopproperties are still being dropped when writing JXL output. This PR stops dropping them.