So, starting now, Google started mandating full JS for YT, effectively breaking all third-party clients and locking the site to their official client.
This reeks of DRM.
UPDATE: Installing Deno and installing yt-dlp through PyPi fixes yt-dlp but the very idea that Google is mandating JS to lock down YT in an attempt at pseudo-DRM is still crappy.
UPDATE #2: inv.nadeko.net is working again for now.
I’m relieved because I saw this post and assumed it meant in a more serious way than normal.