Warning from YouTube: "Your videos will process faster if you encode into a streamable file format."


In Shotcut I see that YouTube preset already has in Other tab:


But looks like YouTube firstly takes my video and only after that process it. Can I fix this on my end?

I don’t get his message when using the YouTube preset to upload to YouTube.
Is there something else you haven’t mentioned?

You could also try using MKV instead.