Youtube-dl

Extractors
* [youtube] Fix sigfunc name extraction (26134, 26135, 26136, 26137)
* [youtube] Improve description extraction (25937, 25980)
* [wistia] Restrict embed regular expression (25969)
* [youtube] Prevent excess HTTP 301 (25786)
+ [youtube:playlists] Extend URL regular expression (25810)
+ [bellmedia] Add support for cp24.com clip URLs (25764)
* [brightcove] Improve embed detection (25674)

Extractors
* [youtube] Force old layout (25682, 25683, 25680, 25686)
* [youtube] Fix categories and improve tags extraction

Extractors
* [youtube] Fix uploader id and uploader URL extraction
* [youtube] Improve view count extraction
* [youtube] Fix upload date extraction (25677)
* [youtube] Fix thumbnails extraction (25676)
* [youtube] Fix playlist and feed extraction (25675)
+ [facebook] Add support for single-video ID links
+ [youtube] Extract chapters from JSON (24819)
+ [kaltura] Add support for multiple embeds on a webpage (25523)

Extractors
* [tele5] Bypass geo restriction
+ [jwplatform] Add support for bypass geo restriction
* [tele5] Prefer jwplatform over nexx (25533)
* [twitch:stream] Expect 400 and 410 HTTP errors from API
* [twitch:stream] Fix extraction (25528)
* [twitch] Fix thumbnails extraction (25531)
+ [twitch] Pass v5 Accept HTTP header (25531)
* [brightcove] Fix subtitles extraction (25540)
+ [malltv] Add support for sk.mall.tv (25445)
* [periscope] Fix untitled broadcasts (25482)
* [jwplatform] Improve embeds extraction (25467)

Core
* [postprocessor/ffmpeg] Embed series metadata with --add-metadata
* [utils] Fix file permissions in write_json_file (12471, 25122)

Extractors
* [ard:beta] Extend URL regular expression (25405)
+ [youtube] Add support for more invidious instances (25417)
* [giantbomb] Extend URL regular expression (25222)
* [ard] Improve URL regular expression (25134, 25198)
* [redtube] Improve formats extraction and extract m3u8 formats (25311,
25321)
* [indavideo] Switch to HTTPS for API request (25191)
* [redtube] Improve title extraction (25208)
* [vimeo] Improve format extraction and sorting (25285)
* [soundcloud] Reduce API playlist page limit (25274)
+ [youtube] Add support for yewtu.be (25226)
* [mailru] Fix extraction (24530, 25239)
* [bellator] Fix mgid extraction (25195)

Core
* [downloader/http] Request last data block of exact remaining size
* [downloader/http] Finish downloading once received data length matches
expected
* [extractor/common] Use compat_cookiejar_Cookie for _set_cookie to always
ensure cookie name and value are bytestrings on python 2 (23256, 24776)
+ [compat] Introduce compat_cookiejar_Cookie
* [utils] Improve cookie files support
+ Add support for UTF-8 in cookie files
* Skip malformed cookie file entries instead of crashing (invalid entry
length, invalid expires at)

Extractors
* [youtube] Improve signature cipher extraction (25187, 25188)
* [iprima] Improve extraction (25138)
* [uol] Fix extraction (22007)
+ [orf] Add support for more radio stations (24938, 24968)
* [dailymotion] Fix typo
- [puhutv] Remove no longer available HTTP formats (25124)