[Bug]: "Error: [UNPLAYABLE] This content isn't available.: undefined in {song title}" when downloading

[pxldsilz]

Preflight Checklist

• I use the latest version of YouTube Music (Application).
• I have searched the issue tracker for a bug report that matches the one I want to file, without success.
• I understand that th-ch/youtube-music has NO affiliation with Google or YouTube

YouTube Music (Application) Version

3.8.0

Checklists

• I use the portable version of the YouTube Music Application.
• I can reproduce this issue in the official version of (WEB) YTM.

What operating system are you using?

Other Linux

Operating System Version

Fedora core 41 amd64

What CPU architecture are you using?

x64

Last Known Working YouTube Music (Application) version

3.8.0

Reproduction steps

1. Open YouTube Music client
2. Click 3 dots next to song
3. Click download at top of drop down menu.

Expected Behavior

File download/conversion progress followed by the files being dropped in a specified directory.

Actual Behavior

Enabled plugins

1. Downloader
2. Ad blocker, any other program defaults

Additional Information

I suspect this is a widespread outage, it was working perfectly last night.

I tried over VPN, same error. I tried on different hardware, same error. I ran the windows version under wine, slightly different error, non 2xx or whatever. I've uninstalled and reinstalled the rpm, i've tried the flatpak, i've tried the standalone executable and app image.

It's unclear if the plugin is also maintained by people here so if I should put this somewhere else let me know.

edit: it does happen when signed in, if that's significant info.