My kdenlive mp4 render settings for YouTube

f=mp4
movflags=+faststart
acodec=aac
ar=48000
ab=384k
vcodec=libx264
progressive=1
preset=fast
threads=0
crf=23
g=15
bf=2
meta.preset.extension=mp4
meta.preset.note=H.264/AAC MP4 for YouTube