youtube-dl 2021.02.22

Core

• [postprocessor/embedthumbnail] Recognize atomicparsley binary in lowercase
  (#28112)

Extractors

• [apa] Fix and improve extraction (#27750)

• [youporn] Extract duration (#28019)
• [peertube] Add support for canard.tube (#28190)

• [youtube] Fixup m4a_dash formats (#28165)

• [samplefocus] Add support for samplefocus.com (#27763)
• [vimeo] Add support for unlisted video source format extraction

• [viki] Improve extraction (#26522, #28203)
  • Extract uploader URL and episode number
  • Report login required error
  • Extract 480p formats
  • Fix API v4 calls
• [ninegag] Unescape title (#28201)
• [youtube] Improve URL regular expression (#28193)

• [youtube] Add support for redirect.invidious.io (#28193)
• [dplay] Add support for de.hgtv.com (#28182)
• [dplay] Add support for discoveryplus.com (#24698)
• [simplecast] Add support for simplecast.com (#24107)

• [youtube] Fix uploader extraction in flat playlist mode (#28045)
• [yandexmusic:playlist] Request missing tracks in chunks (#27355, #28184)

• [storyfire] Add support for storyfire.com (#25628, #26349)
• [zhihu] Add support for zhihu.com (#28177)

• [youtube] Fix controversial videos when authenticated with cookies (#28174)
• [ccma] Fix timestamp parsing in python 2

• [videopress] Add support for video.wordpress.com

• [kakao] Improve info extraction and detect geo restriction (#26577)
• [xboxclips] Fix extraction (#27151)
• [ard] Improve formats extraction (#28155)

• [canvas] Add support for dagelijksekost.een.be (#28119)