[Announcement] Upcoming new requirements for YouTube downloads · Issue #14404 · yt-dlp/yt-dlp
github.com
Beginning very soon, you'll need to have the JavaScript runtime Deno installed to keep YouTube downloads working as normal. Why? Up until now, yt-dlp has been able to use its built-in JavaScript "i...
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The original was posted on /r/piracy by /u/Littux on 2025-09-24 16:33:56+00:00.

Beginning very soon, you’ll need to have the JavaScript runtime Deno installed to keep YouTube downloads working as normal.

Up until now, yt-dlp has been able to use its built-in JavaScript “interpreter” to solve the JavaScript challenges that are required for YouTube downloads. But due to recent changes on YouTube’s end, the built-in JS interpreter will soon be insufficient for this purpose. The changes are so drastic that yt-dlp will need to leverage a proper JavaScript runtime in order to solve the JS challenges.