yt-dlp Not Working on YouTube? Install Deno 2.3+ (Node Is Ignored by Default)
If yt-dlp prints No supported JavaScript runtime could be found , suddenly lists far fewer formats, or your distro's package broke on YouTube overnight, the fix is usually one install: Deno 2.3 or newer. yt-dlp now hands YouTube's player challenges to a real JavaScript runtime, and Deno is the only one it uses without being told to. If you already have Node 22 installed, yt-dlp ignores it unless…
If yt-dlp prints "No supported JavaScript runtime could be found," you may need to install Deno 2.3 or newer. yt-dlp now relies on a real JavaScript runtime to handle YouTube's player challenges, and Deno is the only one it uses without needing to be explicitly configured. If you already have Node.js installed, yt-dlp will ignore it unless you pass a specific flag.
The short version: if you have the official yt-dlp binary installed, run `deno --version` and ensure it is 2.3.0 or newer. For pip, pipx, and distro installations, an additional step is required. After updating, you'll be able to archive your YouTube playlists before more content becomes unavailable due to technical issues.
Written by urgent.news from Dev.to's reporting — not their text. Machine-written — may contain errors; check the original before relying on it.
