[YouTube] "Unable to extract html5 player" and "Signature extraction failed"

[ILPlais]

Checklist

• I'm reporting a broken site support issue
• I've verified that I'm running youtube-dl version 2020.03.24
• I've checked that all provided URLs are alive and playable in a browser
• I've checked that all URLs and arguments with special characters are properly quoted or escaped
• I've searched the bugtracker for similar bug reports including closed ones
• I've read bugs section in FAQ

Verbose log

$ youtube-dl --add-metadata --all-subs --embed-subs --merge-output-format mkv --verbose https://www.youtube.com/watch?v=3iGA17jWJ_U
[debug] System config: []
[debug] User config: []
[debug] Custom config: []
[debug] Command-line args: [u'--add-metadata', u'--all-subs', u'--embed-subs', u'--merge-output-format', u'mkv', u'--verbose', u'https://www.youtube.com/watch?v=3iGA17jWJ_U']
[debug] Encodings: locale UTF-8, fs UTF-8, out UTF-8, pref UTF-8
[debug] youtube-dl version 2020.01.24
[debug] Python version 2.7.17 (CPython) - Linux-5.3.0-46-generic-i686-with-Ubuntu-18.04-bionic
[debug] exe versions: ffmpeg 3.4.6, ffprobe 3.4.6
[debug] Proxy map: {}
[youtube] 3iGA17jWJ_U: Downloading webpage
[youtube] 3iGA17jWJ_U: Downloading video info webpage
WARNING: unable to extract html5 player; please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; see  https://yt-dl.org/update  on how to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.
[youtube] {18} signature length 110, html5 player None
ERROR: Signature extraction failed: Traceback (most recent call last):
  File "/usr/local/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py", line 1385, in _decrypt_signature
    video_id, player_url, s
  File "/usr/local/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py", line 1262, in _extract_signature_function
    raise ExtractorError('Cannot identify player %r' % player_url)
ExtractorError: Cannot identify player u'https://www.youtube.com/s/player/bfb2a3b4/player_ias.vflset/en_US/base.js'; please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; see  https://yt-dl.org/update  on how to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.
 (caused by ExtractorError(u"Cannot identify player u'https://www.youtube.com/s/player/bfb2a3b4/player_ias.vflset/en_US/base.js'; please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; see  https://yt-dl.org/update  on how to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.",)); please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; see  https://yt-dl.org/update  on how to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.
Traceback (most recent call last):
  File "/usr/local/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py", line 1385, in _decrypt_signature
    video_id, player_url, s
  File "/usr/local/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py", line 1262, in _extract_signature_function
    raise ExtractorError('Cannot identify player %r' % player_url)
ExtractorError: Cannot identify player u'https://www.youtube.com/s/player/bfb2a3b4/player_ias.vflset/en_US/base.js'; please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; see  https://yt-dl.org/update  on how to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.
Traceback (most recent call last):
  File "/usr/local/lib/python2.7/dist-packages/youtube_dl/YoutubeDL.py", line 796, in extract_info
    ie_result = ie.extract(url)
  File "/usr/local/lib/python2.7/dist-packages/youtube_dl/extractor/common.py", line 530, in extract
    ie_result = self._real_extract(url)
  File "/usr/local/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py", line 2048, in _real_extract
    encrypted_sig, video_id, player_url, age_gate)
  File "/usr/local/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py", line 1395, in _decrypt_signature
    'Signature extraction failed: ' + tb, cause=e)
ExtractorError: Signature extraction failed: Traceback (most recent call last):
  File "/usr/local/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py", line 1385, in _decrypt_signature
    video_id, player_url, s
  File "/usr/local/lib/python2.7/dist-packages/youtube_dl/extractor/youtube.py", line 1262, in _extract_signature_function
    raise ExtractorError('Cannot identify player %r' % player_url)
ExtractorError: Cannot identify player u'https://www.youtube.com/s/player/bfb2a3b4/player_ias.vflset/en_US/base.js'; please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; see  https://yt-dl.org/update  on how to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.
 (caused by ExtractorError(u"Cannot identify player u'https://www.youtube.com/s/player/bfb2a3b4/player_ias.vflset/en_US/base.js'; please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; see  https://yt-dl.org/update  on how to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.",)); please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; see  https://yt-dl.org/update  on how to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.

Description

It seem some videos have new security signatures. Maybe you will need to add them in you youtube-dl.
Best regards,

[ILPlais]

I have the same problem with this video: https://www.youtube.com/watch?v=zPWalbj0o2E
And with this playlist: https://www.youtube.com/playlist?list=OLAK5uy_mN_6gfMp1xhg1p6aeWn7kYrV5ovwbXj6w