Season 5 saw a slight evolution in the show's cinematography. While not as visually dark as some prestige dramas, the nighttime patrols and action sequences featured film grain and noise. Efficient encoding of noise is the Achilles' heel of compression.
AV1 is the spiritual successor to libvpx (also developed by the Alliance for Open Media, including Google). It offers even better compression than VP9 and HEVC. Looking back, Season 5 serves as a historical marker: the rookie s05 libvpx
is a free software video codec library developed by Google. It serves as the reference implementation for the VP9 video coding format. Season 5 saw a slight evolution in the show's cinematography