Core
* [downloader/fragment] Restart download if .nextdl file is corrupt (16312)
+ [extractor/common] Extract interaction statistic
+ [utils] Add merge_dicts
+ [extractor/common] Add _download_json_handle
Extractors
* [kaltura] Improve iframe embeds detection (16337)
+ [udemy] Extract outputs renditions (16289, 16291, 16320, 16321, 16334,
16335)
+ [zattoo] Add support for zattoo.com and mobiltv.quickline.com (14668, 14676)
* [yandexmusic] Convert release_year to int
* [udemy] Override _download_webpage_handle instead of _download_webpage
* [xiami] Override _download_webpage_handle instead of _download_webpage
* [yandexmusic] Override _download_webpage_handle instead of _download_webpage
* [youtube] Correctly disable polymer on all requests (16323, 16326)
* [generic] Prefer enclosures over links in RSS feeds (16189)
+ [redditr] Add support for old.reddit.com URLs (16274)
* [nrktv] Update API host (16324)
+ [imdb] Extract all formats (16249)
+ [vimeo] Extract JSON-LD (16295)
* [funk:channel] Improve extraction (16285)