9.10

• Add feature to set --audio-bitrate to different value depending on audio channels. ( #743 )

9.09

• Add support for Vapoursynth API V4. ( #747 )

9.08

• Add option to encode only when input audio codec differs from codec specified by --audio-codec. (--audio-encode-other-codec-only, #743)
• Remove restriction on dolby vision output. ( #738 )

9.07

• Fix error when encoding H.264 for RTMP/FLV output.
• Fix mkv output failure when encoding with -c av_libsvtav1. ( #733 )
• Add option to show preset/tune parameters (--check-preset-params). ( #733, #735 )

9.06

• Fix --vpp-resize bilinear,spline*,lanczos* creating artifacts depending on resize ratio. ( #698, #737 )

9.05

• Add option to enable unidirect B frame for lossless encoding (--unidirectb). ( #731 )
• Add tune option. (--tune, #733, #729, #709, #679, #583)
• Change --ref default to 4(H.264)/5(HEVC,AV1).
• Now defaults for options below should differ by --preset and --tune.
  • --weightp
  • -b, --bframes
  • --strict-gop
  • --no-i-adapt
  • --no-b-adapt
  • --aq
  • --aq-temporal
  • --aq-strength
  • --nonrefP
  • --lookahead
  • --lookahead-level
  • --tf-level
  • --temporal-layers
• Add option to fallback to 8bit encoding when 10bit encoding is not supported by the hardware.(--fallback-bitdepth)

9.04

• Improve DX11 device initialization to not detect virtual/remote adaptors. ( #725 )
  • Might improve Failed to init CUDA device 1 from DX11 device. error.
• 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.

9.03

• Fix 9.02 did not incude NVEncNVSDKNGX.dll. ( #724 )

9.02

• Fix error when using both ngx-vsr and ngx-true-hdr together (issue since 9.00). ( #724 )
• Avoid unintended fps values when front of input file is corrupted.

9.01

• Improve handling when input files have negative pts.
• Improve quality of burned in subtitles in --vpp-subburn processing by changing libass initialization method. ( #717 )