manual update can be found here: http://msystem.waw.pl/x265/

HLG10:
-x265-params pic-struct=0:colorprim=bt2020:colormatrix=bt2020nc:transfer=bt2020-10:atc-sei=18

ffprobe -read_intervals "%+#2" -show_frames -show_entries side_data "video.mkv"