• Add support for VapourSynth API V4.
• Add option to encode only when input audio codec differs from codec specified by --audio-codec. (--audio-encode-other-codec-only)

• Fix --qp-offset not working for AV1. ( #273 )
• Fix error when encoding H.264 to RTMP/FLV output.
• Fix mkv not created when encoding with -c av_libsvtav1.
• Work around OpenCL driver issue on Linux Intel iGPU where read_imageui caused "undefined reference to __spirv_ImageSampleExplicitLod_Ruint4".
• Fix build error on Arch Linux. ( #276 )

• Add option to fallback to 8bit encoding when 10bit encoding is not supported by the hardware.(--fallback-bitdepth)

• Avoid unintended fps values when front of input file is corrupted.
• Improve handling when input files have negative pts.
• Improve quality of burned in subtitles in --vpp-subburn processing by changing libass initialization method.
• Improve progress indicator when using --parallel.
  • Previously was only showing the speed of first thread, now will show speed of all threads.
• Add support for using --parallel with multiple pipes.
• Update libass.dll
  • libass 0.9.0 -> 0.17.4 (x64), 0.14.0 (x86)
  • harfbuzz 11.4.4 (new)
  • libunibreak 6.1 (new)
• Update rpm build environment to fedora41. ( #269 )

• Update libvpl to 2.15.
  • Add options for mfx_ai_superres in --vpp-resize. (superres-mode, superres-algo)
    Note: superres-mode does not seem to work at least at 6913 driver.
• Add QSVEnc.auo2 as new native AviUtl2 plugin.
• Add feature to use filters with avcodec encoders (mainly for my test purpose).
  • Available with -c av_xxx, with option to set encoder options (--avcodec-prms).
    Example: -c av_libsvtav1 --avcodec-prms preset=6,crf=30,svtav1-params=enable-variance-boost=1:variance-boost-strength=2"
    Other codec options include av_libvvenc, av_libvpx-vp9, etc.
• Update ffmpeg libraries. (Windows)
  • ffmpeg 7.1+ (20240822) -> 8.0
  • libpng 1.6.44 -> 1.6.50
  • expat 2.6.2 -> 2.7.1
  • fribidi 1.0.11 -> 1.0.16
  • libogg 1.3.5 -> 1.3.6
  • libxml2 2.12.6 -> 2.14.5
  • libvpl 2.13.0 -> 2.15.0
  • libvpx 1.14.1 -> 1.15.2
  • dav1d 1.4.3 -> 1.5.1
  • libxxhash 0.8.2 -> 0.8.3
  • glslang 15.0.0 -> 15.4.0
  • dovi_tool 2.1.2 -> 2.3.1
  • libjpeg-turbo 2.1.0 -> 3.1.1
  • lcms2 2.16 -> 2.17
  • zimg 3.0.5 -> 3.0.6
  • libplacebo 7.349.0 -> 7.351.0
  • libsvtav1 3.1.0 (new!) x64 only
  • libvvenc 1.13.1 (new!) x64 only
  • Remove mmt/tlv patch

• Fix framerate not set properly with --avhw/--avsw when reading mpeg2 ts files.

[QSVEnc.auo]

• Add installer for AviUtl2.
• Add support for YUV444/10bit output for AviUtl2.

[QSVEncC]

• Adjust default maximum GOP length for AV1 to be a multiple of gop-ref-dist.
• Change several options to let the driver handle by default.

[QSVEnc.auo]

• Add support for AviUtl ExEdit2.

• Fix 10-bit processing in --vpp-afs.
• Improve precision of --vpp-afs for both 8bit and 10bit.
• Add option to explicitly specify field pattern in --vpp-deinterlace.
• Fix incorrect frame rate when outputting in y4m format with raw output.
• Fix processing sometimes stopping during raw output.
• Add support for --option-file on Linux.
• Fix handling when "end" is omitted in --dynamic-rc. ( #259 )

• Add support for combining --output-format with -c raw. ( #257 )
  Now supports cases like -c raw --output-format nut.
• Fix black/white processing in 10-bit depth for --vpp-edgelevel.
• Improve interlace detection when using --avsw.