File yt-dlp/config artifact 67660c4ff1 part of check-in 7820311ba1
# 315 2160p[56]0 vp9 # 308 1440p[56]0 vp9 # 271 1440p30 vp9 # 303 1080p60 vp9 # 264 1440p avc1 # 299 1080p[56]0 avc1 # 137 1080p avc1 -f 308+251/271+251/303+251/264+140/299+140/137+140/best --merge-output-format mkv