Youtube-dl

Core
+ [common] Add ability to customize akamai manifest host
+ [utils] Add more date formats

Extractors
- [mtv] Eliminate _transform_rtmp_url
* [mtv] Generalize triforce mgid extraction
+ [cmt] Add support for full episodes and video clips (11623)
+ [mitele] Extract DASH formats
+ [ooyala] Add support for videos with embedToken (11684)
* [mixcloud] Fix extraction (11674)
* [openload] Fix extraction (10408)
* [tv4] Improve extraction (11698)
* [freesound] Fix and improve extraction (11602)
+ [nick] Add support for beta.nick.com (11655)
* [mtv,cc] Use HLS by default with native HLS downloader (11641)
* [mtv] Fix non-HLS extraction

Extractors
* [youtube] Fix extraction (11663, 11664)
+ [inc] Add support for inc.com (11277, 11647)
+ [youtube] Add itag 212 (11575)
+ [egghead:course] Add support for egghead.io courses

Core
* Fix "invalid escape sequence" errors under Python 3.6 (11581)

Extractors
+ [hitrecord] Add support for hitrecord.org (10867, 11626)
- [videott] Remove extractor
* [swrmediathek] Improve extraction
- [sharesix] Remove extractor
- [aol:features] Remove extractor
* [sendtonews] Improve info extraction
* [3sat,phoenix] Fix extraction (11619)
* [comedycentral/mtv] Add support for HLS videos (11600)
* [discoverygo] Fix JSON data parsing (11219, 11522)

Extractors
+ [zdf] Fix extraction (11055, 11063)
* [pornhub:playlist] Improve extraction (11594)
+ [cctv] Add support for ncpa-classic.com (11591)
+ [tunein] Add support for embeds (11579)

Extractors
* [cctv] Improve extraction (879, 6753, 8541)
+ [nrktv:episodes] Add support for episodes (11571)
+ [arkena] Add support for video.arkena.com (11568)

Core
+ Introduce --config-location option for custom configuration files (6745,
10648)

Extractors
+ [twitch] Add support for player.twitch.tv (11535, 11537)
+ [videa] Add support for videa.hu (8181, 11133)
* [vk] Fix postlive videos extraction
* [vk] Extract from playerParams (11555)
- [freevideo] Remove extractor (11515)
+ [showroomlive] Add support for showroom-live.com (11458)
* [xhamster] Fix duration extraction (11549)
* [rtve:live] Fix extraction (11529)
* [brightcove:legacy] Improve embeds detection (11523)
+ [twitch] Add support for rechat messages (11524)
* [acast] Fix audio and timestamp extraction (11521)