Yes, I just noticed this this morning:
Video Link: 뭐야 요즘 일본애들 겁나 한국어 잘해… - YouTube
[This was the same video I went to last night when Alexander_Cabanillas posted, and it was fine with the machine translations. It was fine, and now it’s not.)
At first, I was on Netflix watching with no problem (still no problem there—at least for me and with a TL of Korean (to English translation). For example:
Show Link: [Not Sure How to send a link of an episode of a Netflix show, but it’s episode 15.]: https://www.netflix.com/title/70213130
But I went to Netflix and noticed the above [first screenshot of the YouTube video].
And if I go to this video with Human Translations on Youtube, it appears to be fine for both human and machine translations:
Video Link: Run BTS! EP. 1: [Open] - YouTube
I hope this helps the devs narrow down the issues or something.
Similar bug reports (ongoing list):