v1.4.2

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)