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diff --git a/assets/2026-01-30-yt-dlp-deno-requirement.md b/assets/2026-01-30-yt-dlp-deno-requirement.md new file mode 100644 index 0000000..84e11fa --- /dev/null +++ b/assets/2026-01-30-yt-dlp-deno-requirement.md @@ -0,0 +1,24 @@ +# Install deno for yt-dlp JavaScript runtime + +## Problem + +yt-dlp now requires a JavaScript runtime for full YouTube extraction. Without it, you get this warning: + +``` +WARNING: No supported JavaScript runtime could be found. +YouTube extraction without a JS runtime has been deprecated, and some formats may be missing. +``` + +## Solution + +Install deno (the default supported runtime): + +```bash +sudo pacman -S deno +``` + +## Why + +YouTube uses JavaScript for some format extraction. Without a JS runtime, yt-dlp may not be able to access all video formats or could fail on certain videos. + +See: https://github.com/yt-dlp/yt-dlp/wiki/EJS |