youtube-dl 2.04版でニコニコにログインできず
[niconico] Logging in
ERROR: Unable to log in: HTTP Error 503: Service Unavailable (caused by HTTPError()); please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; type youtube-dl -U to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.

2.10版にしてログインは成功するもJsonメタデータで失敗
[niconico] Logging in
[niconico] so3xxxxxxx: Downloading webpage
[niconico] so3xxxxxxx: Downloading JSON metadata for h264_720p-aac_192kbps
ERROR: Unable to download JSON metadata: HTTP Error 403: Forbidden (caused by HTTPError()); please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; type youtube-dl -U to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.

一応ニコニコが上手く行かんって報告
これはおまかん? 誰か落とせてる人おる?