Log Message:
youtube-dl: Update to 20201231

Changes:
version 2020.12.31

Core
* [utils] Accept only supported protocols in url_or_none
* [YoutubeDL] Allow format filtering using audio language (#16209)

Extractors
+ [redditr] Extract all thumbnails (#27503)
* [vvvvid] Improve info extraction
+ [vvvvid] Add support for playlists (#18130, #27574)
+ [yandexdisk] Extract info from webpage
* [yandexdisk] Fix extraction (#17861, #27131)
* [yandexvideo] Use old API call as fallback
* [yandexvideo] Fix extraction (#25000)
- [nbc] Remove CSNNE extractor
* [nbc] Fix NBCSport VPlayer URL extraction (#16640)
+ [aenetworks] Add support for biography.com (#3863)
* [uktvplay] Match new video URLs (#17909)
* [sevenplay] Detect API errors
* [tenplay] Fix format extraction (#26653)
* [brightcove] Raise error for DRM protected videos (#23467, #27568)

version 2020.12.29

Extractors
* [youtube] Improve yt initial data extraction (#27524)
* [youtube:tab] Improve URL matching #27559)
* [youtube:tab] Restore retry on browse requests (#27313, #27564)
* [aparat] Fix extraction (#22285, #22611, #23348, #24354, #24591, #24904,
  #25418, #26070, #26350, #26738, #27563)
- [brightcove] Remove sonyliv specific code
* [piksel] Improve format extraction
+ [zype] Add support for uplynk videos
+ [toggle] Add support for live.mewatch.sg (#27555)
+ [go] Add support for fxnow.fxnetworks.com (#13972, #22467, #23754, #26826)
* [teachable] Improve embed detection (#26923)
* [mitele] Fix free video extraction (#24624, #25827, #26757)
* [telecinco] Fix extraction
* [youtube] Update invidious.snopyta.org (#22667)
* [amcnetworks] Improve auth only video detection (#27548)
+ [generic] Add support for VHX Embeds (#27546)

version 2020.12.26

Extractors
* [instagram] Fix comment count extraction
+ [instagram] Add support for reel URLs (#26234, #26250)
* [bbc] Switch to media selector v6 (#23232, #23933, #26303, #26432, #26821,
  #27538)
* [instagram] Improve thumbnail extraction
* [instagram] Fix extraction when authenticated (#22880, #26377, #26981,
  #27422)
* [spankbang:playlist] Fix extraction (#24087)
+ [spankbang] Add support for playlist videos
* [pornhub] Improve like and dislike count extraction (#27356)
* [pornhub] Fix lq formats extraction (#27386, #27393)
+ [bongacams] Add support for bongacams.com (#27440)
* [youtube:tab] Extend URL regular expression (#27501)
* [theweatherchannel] Fix extraction (#25930, #26051)
+ [sprout] Add support for Universal Kids (#22518)
* [theplatform] Allow passing geo bypass countries from other extractors
+ [wistia] Add support for playlists (#27533)
+ [ctv] Add support for ctv.ca (#27525)
* [9c9media] Improve info extraction
* [youtube] Fix automatic captions extraction (#27162, #27388)
* [sonyliv] Fix title for movies
* [sonyliv] Fix extraction (#25667)
* [streetvoice] Fix extraction (#27455, #27492)
+ [facebook] Add support for watchparty pages (#27507)
* [cbslocal] Fix video extraction
+ [brightcove] Add another method to extract policyKey
* [mewatch] Relax URL regular expression (#27506)

version 2020.12.22

Core
* [common] Remove unwanted query params from unsigned akamai manifest URLs

Extractors
- [tastytrade] Remove extractor (#25716)
* [niconico] Fix playlist extraction (#27428)
- [everyonesmixtape] Remove extractor
- [kanalplay] Remove extractor
* [arkena] Fix extraction
* [nba] Rewrite extractor
* [turner] Improve info extraction
* [youtube] Improve xsrf token extraction (#27442)
* [generic] Improve RSS age limit extraction
* [generic] Fix RSS itunes thumbnail extraction (#27405)
+ [redditr] Extract duration (#27426)
- [zaq1] Remove extractor
+ [asiancrush] Add support for retrocrush.tv
* [asiancrush] Fix extraction
- [noco] Remove extractor (#10864)
* [nfl] Fix extraction (#22245)
* [skysports] Relax URL regular expression (#27435)
+ [tv5unis] Add support for tv5unis.ca (#22399, #24890)
+ [videomore] Add support for more.tv (#27088)
+ [yandexmusic] Add support for music.yandex.com (#27425)
+ [nhk:program] Add support for audio programs and program clips
+ [nhk] Add support for NHK video programs (#27230)