- 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)