2018.09.18 not working on youtube

[MartinBarker]

I:>youtube-dl.py --version
2018.09.18

I:>youtube-dl.py --verbose https://www.youtube.com/watch?v=YXjP5Dt8Kso
[debug] System config: []
[debug] User config: []
[debug] Custom config: []
[debug] Command-line args: ['--verbose', 'https://www.youtube.com/watch?v=YXjP5Dt8Kso']
[debug] Encodings: locale cp1252, fs utf-8, out utf-8, pref cp1252
[debug] youtube-dl version 2018.09.18
[debug] Python version 3.6.4 (CPython) - Windows-10-10.0.17134-SP0
[debug] exe versions: ffmpeg N-90721-g783df2eb59, ffprobe N-90721-g783df2eb59
[debug] Proxy map: {}
[youtube] YXjP5Dt8Kso: Downloading webpage
[youtube] YXjP5Dt8Kso: Downloading video info webpage
[youtube] {18} signature length 41.41, html5 player vfls4aurX
[youtube] YXjP5Dt8Kso: Downloading player https://www.youtube.com/yts/jsbin/player-vfls4aurX/en_US/base.js
ERROR: Signature extraction failed: Traceback (most recent call last):
File "I:\youtube-dl.py\youtube_dl\extractor\youtube.py", line 1216, in _decrypt_signature
video_id, player_url, s
File "I:\youtube-dl.py\youtube_dl\extractor\youtube.py", line 1125, in _extract_signature_function
res = self._parse_sig_js(code)
File "I:\youtube-dl.py\youtube_dl\extractor\youtube.py", line 1188, in _parse_sig_js
jscode, 'Initial JS player signature function name', group='sig')
File "I:\youtube-dl.py\youtube_dl\extractor\common.py", line 977, in _search_regex
raise RegexNotFoundError('Unable to extract %s' % _name)
youtube_dl.utils.RegexNotFoundError: Unable to extract Initial JS player signature function name; 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.
(caused by RegexNotFoundError('Unable to extract Initial JS player signature function name; 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.',)); 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.
Traceback (most recent call last):
File "I:\youtube-dl.py\youtube_dl\extractor\youtube.py", line 1216, in _decrypt_signature
video_id, player_url, s
File "I:\youtube-dl.py\youtube_dl\extractor\youtube.py", line 1125, in _extract_signature_function
res = self._parse_sig_js(code)
File "I:\youtube-dl.py\youtube_dl\extractor\youtube.py", line 1188, in _parse_sig_js
jscode, 'Initial JS player signature function name', group='sig')
File "I:\youtube-dl.py\youtube_dl\extractor\common.py", line 977, in _search_regex
raise RegexNotFoundError('Unable to extract %s' % _name)
youtube_dl.utils.RegexNotFoundError: Unable to extract Initial JS player signature function name; 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.
Traceback (most recent call last):
File "I:\youtube-dl.py\youtube_dl\extractor\youtube.py", line 1216, in _decrypt_signature
video_id, player_url, s
File "I:\youtube-dl.py\youtube_dl\extractor\youtube.py", line 1125, in _extract_signature_function
res = self._parse_sig_js(code)
File "I:\youtube-dl.py\youtube_dl\extractor\youtube.py", line 1188, in _parse_sig_js
jscode, 'Initial JS player signature function name', group='sig')
File "I:\youtube-dl.py\youtube_dl\extractor\common.py", line 977, in _search_regex
raise RegexNotFoundError('Unable to extract %s' % _name)
youtube_dl.utils.RegexNotFoundError: Unable to extract Initial JS player signature function name; 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.

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File "I:\youtube-dl.py\youtube_dl\YoutubeDL.py", line 792, in extract_info
ie_result = ie.extract(url)
File "I:\youtube-dl.py\youtube_dl\extractor\common.py", line 507, in extract
ie_result = self._real_extract(url)
File "I:\youtube-dl.py\youtube_dl\extractor\youtube.py", line 1809, in _real_extract
encrypted_sig, video_id, player_url, age_gate)
File "I:\youtube-dl.py\youtube_dl\extractor\youtube.py", line 1226, in _decrypt_signature
'Signature extraction failed: ' + tb, cause=e)
youtube_dl.utils.ExtractorError: Signature extraction failed: Traceback (most recent call last):
File "I:\youtube-dl.py\youtube_dl\extractor\youtube.py", line 1216, in _decrypt_signature
video_id, player_url, s
File "I:\youtube-dl.py\youtube_dl\extractor\youtube.py", line 1125, in _extract_signature_function
res = self._parse_sig_js(code)
File "I:\youtube-dl.py\youtube_dl\extractor\youtube.py", line 1188, in _parse_sig_js
jscode, 'Initial JS player signature function name', group='sig')
File "I:\youtube-dl.py\youtube_dl\extractor\common.py", line 977, in _search_regex
raise RegexNotFoundError('Unable to extract %s' % _name)
youtube_dl.utils.RegexNotFoundError: Unable to extract Initial JS player signature function name; 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.
(caused by RegexNotFoundError('Unable to extract Initial JS player signature function name; 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.',)); 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.

I:>

[Hrxn]

It's not supposed to work...
Outdated version. Please read the issue template.