youtube - json "chapters" key value is NULL

[someziggyman]

Checklist

• I'm reporting a broken site support
• I've verified that I'm running youtube-dl version 2020.06.16.1
• 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 issues including closed ones

Verbose log

youtube-dl -v --print-json https://www.youtube.com/watch?v=W-VInHvlrZo
[debug] System config: []
[debug] User config: []
[debug] Custom config: []
[debug] Command-line args: [u'-v', u'--print-json', u'https://www.youtube.com/watch?v=W-VInHvlrZo']
[debug] Encodings: locale UTF-8, fs utf-8, out UTF-8, pref UTF-8
[debug] youtube-dl version 2020.06.16.1
[debug] Python version 2.7.16 (CPython) - Darwin-18.7.0-x86_64-i386-64bit
[debug] exe versions: none
[debug] Proxy map: {}
[debug] Default format spec: best/bestvideo+bestaudio
{"upload_date": "20200714", "protocol": "https", "extractor": "youtube", "series": null, "format": "18 - 640x320 (360p)", "format_note": "360p", "chapters": null, "height": 320, "acodec": "mp4a.40.2", "like_count": null, "duration": 1138, "fulltitle": "OnePlus Nord Reveal! ...........

Description

Hello guys.
Looks like extracting timestamps from youtube is broken for some reason... used to work just fine, however chapters in JSON output is currently - EMPTY. Running with Python 2.7.
Links to try:
https://www.youtube.com/watch?v=W-VInHvlrZo
https://www.youtube.com/watch?v=GEZhD3J89ZE

[VolatileCable]

Also happens with latest master a115e07

[trialuser02]

I have same issue.