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1.4.2 - 2026-05-26

Added since 1.4.1

  • Add --jobs flag to avifgainmaputil to use multiple worker threads when reading/writing AVIF files.

Changed since 1.4.1

  • Require C11 for compilation. Public headers will remain C99.
  • Add --jobs flag to avifgainmaputil and enable auto tiling.
  • Use AOM_TUNE_IQ for layered image inter-frame encoding.
  • Update aom.cmd/LocalAom.cmake: v3.14.1
  • Update LocalAvm.cmake: research-v15.0.0
  • Update libjpeg.cmd/LocalJpeg.cmake: 3.1.4.1
  • Update libxml2.cmd/LocalLibXml2.cmake: v2.15.3
  • Update libyuv.cmd/LocalLibyuv.cmake: 644251f25 (1924)
  • Update svt.cmd/svt.sh/LocalSvt.cmake: v4.1.0
  • Update zlibpng.cmd/LocalZlibpng.cmake: libpng 1.6.58
  • Fix memory leak of altICC if avifDecoderFindGainMapItem returns early.
  • Avoid MT loop restoration crash in libaom < 3.13.3
  • Fix decoding layered image with multiple scaled alpha layers
  • Fix NaN bypass of AVIF_CLAMP in gain map tone mapping (use fminf/fmaxf)
  • Fix null pointer dereference in avifImageCopy() when avifImageCreateEmpty() fails to allocate the destination gain map image.
  • avifenc: reject mismatched --depth for Y4M input
  • Use libaom AOMD_SET_FRAME_SIZE_LIMIT if available
  • Fix bug in transfer function 11 (used for gain map creation/tone mapping)
Source: README.md, updated 2026-05-26