Pragy-dl

* **Native SponsorBlock** implementation by [nihil-admirari](https://github.com/nihil-admirari), [pukkandan](https://github.com/pukkandan)
* `--sponsorblock-remove CATS` removes specified chapters from file
* `--sponsorblock-mark CATS` marks the specified sponsor sections as chapters
* `--sponsorblock-chapter-title TMPL` to specify sponsor chapter template
* `--sponsorblock-api URL` to use a different API
* No re-encoding is done unless `--force-keyframes-at-cuts` is used
* The fetched sponsor sections are written to the infojson
* Deprecates: `--sponskrub`, `--no-sponskrub`, `--sponskrub-cut`, `--no-sponskrub-cut`, `--sponskrub-force`, `--no-sponskrub-force`, `--sponskrub-location`, `--sponskrub-args`
* Split `--embed-chapters` from `--embed-metadata` (it still implies the former by default)
* Add option `--remove-chapters` to remove arbitrary chapters by [nihil-admirari](https://github.com/nihil-admirari), [pukkandan](https://github.com/pukkandan)
* Add option `--force-keyframes-at-cuts` for more accurate cuts when removing and splitting chapters by [nihil-admirari](https://github.com/nihil-admirari)
* Let `--match-filter` reject entries early
* Makes redundant: `--match-title`, `--reject-title`, `--min-views`, `--max-views`
* [lazy_extractor] Improvements (It now passes all tests)
* Bugfix for when plugin directory doesn't exist by [kidonng](https://github.com/kidonng)
* Create instance only after pre-checking archive
* Import actual class if an attribute is accessed
* Fix `suitable` and add flake8 test
* [downloader/ffmpeg] Experimental support for DASH manifests (including live)
* Your ffmpeg must have [this patch](https://github.com/FFmpeg/FFmpeg/commit/3249c757aed678780e22e99a1a49f4672851bca9) applied for YouTube DASH to work
* [downloader/ffmpeg] Allow passing custom arguments before `-i`
* [BannedVideo] Add extractor by [smege1001](https://github.com/smege1001), [blackjack4494](https://github.com/blackjack4494), [pukkandan](https://github.com/pukkandan)
* [bilibili] Add category extractor by [animelover1984](https://github.com/animelover1984)
* [Epicon] Add extractors by [Ashish0804](https://github.com/Ashish0804)
* [filmmodu] Add extractor by [mzbaulhaque](https://github.com/mzbaulhaque)
* [GabTV] Add extractor by [Ashish0804](https://github.com/Ashish0804)
* [Hungama] Fix `HungamaSongIE` and add `HungamaAlbumPlaylistIE` by [Ashish0804](https://github.com/Ashish0804)
* [ManotoTV] Add new extractors by [tandy1000](https://github.com/tandy1000)
* [Niconico] Add Search extractors by [animelover1984](https://github.com/animelover1984), [pukkandan](https://github.com/pukkandan)
* [Patreon] Add `PatreonUserIE` by [zenerdi0de](https://github.com/zenerdi0de)
* [peloton] Add extractor by [IONECarter](https://github.com/IONECarter), [capntrips](https://github.com/capntrips), [pukkandan](https://github.com/pukkandan)
* [ProjectVeritas] Add extractor by [Ashish0804](https://github.com/Ashish0804)
* [radiko] Add extractors by [nao20010128nao](https://github.com/nao20010128nao)
* [StarTV] Add extractor for `startv.com.tr` by [mrfade](https://github.com/mrfade), [coletdjnz](https://github.com/coletdjnz)
* [tiktok] Add `TikTokUserIE` by [Ashish0804](https://github.com/Ashish0804), [pukkandan](https://github.com/pukkandan)
* [Tokentube] Add extractor by [u-spec-png](https://github.com/u-spec-png)
* [TV2Hu] Fix `TV2HuIE` and add `TV2HuSeriesIE` by [Ashish0804](https://github.com/Ashish0804)
* [voicy] Add extractor by [nao20010128nao](https://github.com/nao20010128nao)
* [adobepass] Fix Verizon SAML login by [nyuszika7h](https://github.com/nyuszika7h), [ParadoxGBB](https://github.com/ParadoxGBB)
* [afreecatv] Fix adult VODs by [wlritchi](https://github.com/wlritchi)
* [afreecatv] Tolerate failure to parse date string by [wlritchi](https://github.com/wlritchi)
* [aljazeera] Fix extractor by [MinePlayersPE](https://github.com/MinePlayersPE)
* [ATV.at] Fix extractor for ATV.at by [NeroBurner](https://github.com/NeroBurner), [coletdjnz](https://github.com/coletdjnz)
* [bitchute] Fix test by [mahanstreamer](https://github.com/mahanstreamer)
* [camtube] Remove obsolete extractor by [alerikaisattera](https://github.com/alerikaisattera)
* [CDA] Add more formats by [u-spec-png](https://github.com/u-spec-png)
* [eroprofile] Fix page skipping in albums by [jhwgh1968](https://github.com/jhwgh1968)
* [facebook] Fix format sorting
* [facebook] Fix metadata extraction by [kikuyan](https://github.com/kikuyan)
* [facebook] Update onion URL by [Derkades](https://github.com/Derkades)
* [HearThisAtIE] Fix extractor by [Ashish0804](https://github.com/Ashish0804)
* [instagram] Add referrer to prevent throttling by [u-spec-png](https://github.com/u-spec-png), [kikuyan](https://github.com/kikuyan)
* [iwara.tv] Extract more metadata by [BunnyHelp](https://github.com/BunnyHelp)
* [iwara] Add thumbnail by [i6t](https://github.com/i6t)
* [kakao] Fix extractor
* [mediaset] Fix extraction for some videos by [nyuszika7h](https://github.com/nyuszika7h)
* [Motherless] Fix extractor by [coletdjnz](https://github.com/coletdjnz)
* [Nova] fix extractor by [std-move](https://github.com/std-move)
* [ParamountPlus] Fix geo verification by [shirt](https://github.com/shirt-dev)
* [peertube] handle new video URL format by [Chocobozzz](https://github.com/Chocobozzz)
* [pornhub] Separate and fix playlist extractor by [mzbaulhaque](https://github.com/mzbaulhaque)
* [reddit] Fix for quarantined subreddits by [ouwou](https://github.com/ouwou)
* [ShemarooMe] Fix extractor by [Ashish0804](https://github.com/Ashish0804)
* [soundcloud] Refetch `client_id` on 403
* [tiktok] Fix metadata extraction
* [TV2] Fix extractor by [Ashish0804](https://github.com/Ashish0804)
* [tv5mondeplus] Fix extractor by [korli](https://github.com/korli)
* [VH1,TVLand] Fix extractors by [Sipherdrakon](https://github.com/Sipherdrakon)
* [Viafree] Fix extractor and extract subtitles by [coletdjnz](https://github.com/coletdjnz)
* [XHamster] Extract `uploader_id` by [octotherp](https://github.com/octotherp)
* [youtube] Add `shorts` to `_VALID_URL`
* [youtube] Add av01 itags to known formats list by [blackjack4494](https://github.com/blackjack4494)
* [youtube] Extract error messages from HTTPError response by [coletdjnz](https://github.com/coletdjnz)
* [youtube] Fix subtitle names
* [youtube] Prefer audio stream that YouTube considers default
* [youtube] Remove annotations and deprecate `--write-annotations` by [coletdjnz](https://github.com/coletdjnz)
* [Zee5] Fix extractor and add subtitles by [Ashish0804](https://github.com/Ashish0804)
* [aria2c] Obey `--rate-limit`
* [EmbedSubtitle] Continue even if some files are missing
* [extractor] Better error message for DRM
* [extractor] Common function `_match_valid_url`
* [extractor] Show video id in error messages if possible
* [FormatSort] Remove priority of `lang`
* [options] Add `_set_from_options_callback`
* [SubtitleConvertor] Fix bug during subtitle conversion
* [utils] Add `parse_qs`
* [webvtt] Fix timestamp overflow adjustment by [fstirlitz](https://github.com/fstirlitz)
* Bugfix for `--replace-in-metadata`
* Don't try to merge with final extension
* Fix `--force-overwrites` when using `-k`
* Fix `--no-prefer-free-formats` by [CeruleanSky](https://github.com/CeruleanSky)
* Fix `-F` for extractors that directly return url
* Fix `-J` when there are failed videos
* Fix `extra_info` being reused across runs
* Fix `playlist_index` not obeying `playlist_start` and add tests
* Fix resuming of single formats when using `--no-part`
* Revert erroneous use of the `Content-Length` header by [fstirlitz](https://github.com/fstirlitz)
* Use `os.replace` where applicable by; paulwrubel
* [build] Add homebrew taps `pragy-dl/taps/pragy-dl` by [nao20010128nao](https://github.com/nao20010128nao)
* [build] Fix bug in making `pragy-dl.tar.gz`
* [docs] Fix some typos by [pukkandan](https://github.com/pukkandan), [zootedb0t](https://github.com/zootedb0t)
* [cleanup] Replace improper use of tab in trovo by [glenn-slayden](https://github.com/glenn-slayden)

* Add option `--replace-in-metadata`
* Add option `--no-simulate` to not simulate even when `--print` or `--list...` are used - Deprecates `--print-json`
* Allow entire infodict to be printed using `%()s` - makes `--dump-json` redundant
* Allow multiple `--exec` and `--exec-before-download`
* Add regex to `--match-filter`
* Add all format filtering operators also to `--match-filter` by [max-te](https://github.com/max-te)
* Add compat-option `no-keep-subs`
* [adobepass] Add MSO Cablevision by [Jessecar96](https://github.com/Jessecar96)
* [BandCamp] Add BandcampMusicIE by [Ashish0804](https://github.com/Ashish0804)
* [blackboardcollaborate] Add new extractor by [mzbaulhaque](https://github.com/mzbaulhaque)
* [eroprofile] Add album downloader by [jhwgh1968](https://github.com/jhwgh1968)
* [mirrativ] Add extractors by [nao20010128nao](https://github.com/nao20010128nao)
* [openrec] Add extractors by [nao20010128nao](https://github.com/nao20010128nao)
* [nbcolympics:stream] Fix extractor by [nchilada](https://github.com/nchilada), [pukkandan](https://github.com/pukkandan)
* [nbcolympics] Update extractor for 2020 olympics by [wesnm](https://github.com/wesnm)
* [paramountplus] Separate extractor and fix some titles by [shirt](https://github.com/shirt-dev), [pukkandan](https://github.com/pukkandan)
* [RCTIPlus] Support events and TV by [MinePlayersPE](https://github.com/MinePlayersPE)
* [Newgrounds] Improve extractor and fix playlist by [u-spec-png](https://github.com/u-spec-png)
* [aenetworks] Update `_THEPLATFORM_KEY` and `_THEPLATFORM_SECRET` by [wesnm](https://github.com/wesnm)
* [crunchyroll] Fix thumbnail by [funniray](https://github.com/funniray)
* [HotStar] Use API for metadata and extract subtitles by [Ashish0804](https://github.com/Ashish0804)
* [instagram] Fix comments extraction by [u-spec-png](https://github.com/u-spec-png)
* [peertube] Fix videos without description by [u-spec-png](https://github.com/u-spec-png)
* [twitch:clips] Extract `display_id` by [dirkf](https://github.com/dirkf)
* [viki] Print error message from API request
* [Vine] Remove invalid formats by [u-spec-png](https://github.com/u-spec-png)
* [VrtNU] Fix XSRF token by [pgaig](https://github.com/pgaig)
* [vrv] Fix thumbnail extraction by [funniray](https://github.com/funniray)
* [youtube] Add extractor-arg `include-live-dash` to show live dash formats
* [youtube] Improve signature function detection by [PSlava](https://github.com/PSlava)
* [youtube] Raise appropriate error when API pages can't be downloaded
* Ensure `_write_ytdl_file` closes file handle on error
* Fix `--compat-options filename` by [stdedos](https://github.com/stdedos)
* Fix issues with infodict sanitization
* Fix resuming when using `--no-part`
* Fix wrong extension for intermediate files
* Handle `BrokenPipeError` by [kikuyan](https://github.com/kikuyan)
* Show libraries present in verbose head
* [extractor] Detect `sttp` as subtitles in MPD by [fstirlitz](https://github.com/fstirlitz)
* [extractor] Reset non-repeating warnings per video
* [ffmpeg] Fix streaming `mp4` to `stdout`
* [ffpmeg] Allow `--ffmpeg-location` to be a file with different name
* [utils] Fix `InAdvancePagedList.__getitem__`
* [utils] Fix `traverse_obj` depth when `is_user_input`
* [webvtt] Merge daisy-chained duplicate cues by [fstirlitz](https://github.com/fstirlitz)
* [build] Use custom build of `pyinstaller` by [shirt](https://github.com/shirt-dev)
* [tests:download] Add batch testing for extractors (`test_YourExtractor_all`)
* [docs] Document which fields `--add-metadata` adds to the file
* [docs] Fix some mistakes and improve doc
* [cleanup] Misc code cleanup

* Add logo, banner and donate links
* [outtmpl] Expand and escape environment variables
* [outtmpl] Add format types `j` (json), `l` (comma delimited list), `q` (quoted for terminal)
* [downloader] Allow streaming some unmerged formats to stdout using ffmpeg
* [youtube] **Age-gate bypass**
* Add `agegate` clients by [pukkandan](https://github.com/pukkandan), [MinePlayersPE](https://github.com/MinePlayersPE)
* Add `thirdParty` to agegate clients to bypass more videos
* Simplify client definitions, expose `embedded` clients
* Improve age-gate detection by [coletdjnz](https://github.com/coletdjnz)
* Fix default global API key by [coletdjnz](https://github.com/coletdjnz)
* Add `creator` clients for age-gate bypass using unverified accounts by [zerodytrash](https://github.com/zerodytrash), [coletdjnz](https://github.com/coletdjnz), [pukkandan](https://github.com/pukkandan)
* [adobepass] Add MSO Sling TV by [wesnm](https://github.com/wesnm)
* [CBS] Add ParamountPlusSeriesIE by [Ashish0804](https://github.com/Ashish0804)
* [dplay] Add `ScienceChannelIE` by [Sipherdrakon](https://github.com/Sipherdrakon)
* [UtreonIE] Add extractor by [Ashish0804](https://github.com/Ashish0804)
* [youtube] Add `mweb` client by [coletdjnz](https://github.com/coletdjnz)
* [youtube] Add `player_client=all`
* [youtube] Force `hl=en` for comments by [coletdjnz](https://github.com/coletdjnz)
* [youtube] Fix format sorting when using alternate clients
* [youtube] Misc cleanup by [pukkandan](https://github.com/pukkandan), [coletdjnz](https://github.com/coletdjnz)
* [youtube] Extract SAPISID only once
* [CBS] Add fallback by [llacb47](https://github.com/llacb47), [pukkandan](https://github.com/pukkandan)
* [Hotstar] Support cookies by [Ashish0804](https://github.com/Ashish0804)
* [HotStarSeriesIE] Fix regex by [Ashish0804](https://github.com/Ashish0804)
* [bilibili] Improve `_VALID_URL`
* [mediaset] Fix extraction by [nixxo](https://github.com/nixxo)
* [Mxplayer] Add h265 formats by [Ashish0804](https://github.com/Ashish0804)
* [RCTIPlus] Remove PhantomJS dependency by [MinePlayersPE](https://github.com/MinePlayersPE)
* [tenplay] Add MA15+ age limit by [pento](https://github.com/pento)
* [vidio] Fix login error detection by [MinePlayersPE](https://github.com/MinePlayersPE)
* [vimeo] Better extraction of original file by [Ashish0804](https://github.com/Ashish0804)
* [generic] Support KVS player (replaces ThisVidIE) by [rigstot](https://github.com/rigstot)
* Add compat-option `no-clean-infojson`
* Remove `asr` appearing twice in `-F`
* Set `home:` as the default key for `-P`
* [utils] Fix slicing of reversed `LazyList`
* [FormatSort] Fix bug for audio with unknown codec
* [test:download] Support testing with `ignore_no_formats_error`
* [cleanup] Refactor some code

* [youtube:tab] Extract video duration early
* [downloader] Pass `info_dict` to `progress_hook`s
* [youtube] Fix age-gated videos for API clients when cookies are supplied by [coletdjnz](https://github.com/coletdjnz)
* [youtube] Disable `get_video_info` age-gate workaround - This endpoint seems to be completely dead
* [youtube] Try all clients even if age-gated
* [youtube] Fix subtitles only being extracted from the first client
* [youtube] Simplify `_get_text`
* [cookies] bugfix for microsoft edge on macOS
* [cookies] Handle `sqlite` `ImportError` gracefully by [mbway](https://github.com/mbway)
* [cookies] Handle errors when importing `keyring`

* **Add option `--cookies-from-browser`** to load cookies from a browser by [mbway](https://github.com/mbway)
* Usage: `--cookies-from-browser BROWSER[:PROFILE_NAME_OR_PATH]`
* Also added `--no-cookies-from-browser`
* To decrypt chromium cookies, `keyring` is needed for UNIX and `pycryptodome` for Windows
* Add option `--exec-before-download`
* Add field `live_status`
* [FFmpegMetadata] Add language of each stream and some refactoring
* [douyin] Add extractor by [pukkandan](https://github.com/pukkandan), [pyx](https://github.com/pyx)
* [pornflip] Add extractor by [mzbaulhaque](https://github.com/mzbaulhaque)
* **[youtube] Extract data from multiple clients** by [pukkandan](https://github.com/pukkandan), [coletdjnz](https://github.com/coletdjnz)
* `player_client` now accepts multiple clients
* Default `player_client` = `android,web`
* This uses twice as many requests, but avoids throttling for most videos while also not losing any formats
* Music clients can be specifically requested and is enabled by default if `music.youtube.com`
* Added `player_client=ios` (Known issue: formats from ios are not sorted correctly)
* Add age-gate bypass for android and ios clients
* [youtube] Extract more thumbnails
* The thumbnail URLs are hard-coded and their actual existence is tested lazily
* Added option `--no-check-formats` to not test them
* [youtube] Misc fixes
* Improve extraction of livestream metadata by [pukkandan](https://github.com/pukkandan), [krichbanana](https://github.com/krichbanana)
* Hide live dash formats since they can't be downloaded anyway
* Fix authentication when using multiple accounts by [coletdjnz](https://github.com/coletdjnz)
* Fix controversial videos when requested via API by [coletdjnz](https://github.com/coletdjnz)
* Fix session index extraction and headers for non-web player clients by [coletdjnz](https://github.com/coletdjnz)
* Make `--extractor-retries` work for more errors
* Fix sorting of 3gp format
* Sanity check `chapters` (and refactor related code)
* Make `parse_time_text` and `_extract_chapters` non-fatal
* Misc cleanup and bug fixes by [coletdjnz](https://github.com/coletdjnz)
* [youtube:tab] Fix channels tab
* [youtube:tab] Extract playlist availability by [coletdjnz](https://github.com/coletdjnz)
* **[youtube:comments] Move comment extraction to new API** by [coletdjnz](https://github.com/coletdjnz)
* Adds extractor-args `comment_sort` (`top`/`new`), `max_comments`, `max_comment_depth`
* [youtube:comments] Fix `is_favorited`, improve `like_count` parsing by [coletdjnz](https://github.com/coletdjnz)
* [BravoTV] Improve metadata extraction by [kevinoconnor7](https://github.com/kevinoconnor7)
* [crunchyroll:playlist] Force http
* [yahoo:gyao:player] Relax `_VALID_URL` by [nao20010128nao](https://github.com/nao20010128nao)
* [nebula] Authentication via tokens from cookie jar by [hheimbuerger](https://github.com/hheimbuerger), [TpmKranz](https://github.com/TpmKranz)
* [RTP] Fix extraction and add subtitles by [fstirlitz](https://github.com/fstirlitz)
* [viki] Rewrite extractors and add extractor-arg `video_types` to `vikichannel` by [zackmark29](https://github.com/zackmark29), [pukkandan](https://github.com/pukkandan)
* [vlive] Extract thumbnail directly in addition to the one from Naver
* [generic] Extract previously missed subtitles by [fstirlitz](https://github.com/fstirlitz)
* [generic] Extract everything in the SMIL manifest and detect discarded subtitles by [fstirlitz](https://github.com/fstirlitz)
* [embedthumbnail] Fix `_get_thumbnail_resolution`
* [metadatafromfield] Do not detect numbers as field names
* Fix selectors `all`, `mergeall` and add tests
* Errors in playlist extraction should obey `--ignore-errors`
* Fix bug where `original_url` was not propagated when `_type`=`url`
* Revert "Merge webm formats into mkv if thumbnails are to be embedded (173)"
* This was wrongly checking for `write_thumbnail`
* Improve `extractor_args` parsing
* Rename `NOTE` in `-F` to `MORE INFO` since it's often confused to be the same as `format_note`
* Add `only_once` param for `write_debug` and `report_warning`
* [extractor] Allow extracting multiple groups in `_search_regex` by [fstirlitz](https://github.com/fstirlitz)
* [utils] Improve `traverse_obj`
* [utils] Add `variadic`
* [utils] Improve `js_to_json` comment regex by [fstirlitz](https://github.com/fstirlitz)
* [webtt] Fix timestamps
* [compat] Remove unnecessary code
* [docs] fix default of multistreams

* Merge youtube-dl: Upto [commit/a803582](https://github.com/ytdl-org/youtube-dl/commit/a8035827177d6b59aca03bd717acb6a9bdd75ada)
* Add `--extractor-args` to pass some extractor-specific arguments. See [readme](https://github.com/pragy-dl/pragy-dl#extractor-arguments)
* Add extractor option `skip` for `youtube`, e.g. `--extractor-args youtube:skip=hls,dash`
* Deprecates `--youtube-skip-dash-manifest`, `--youtube-skip-hls-manifest`, `--youtube-include-dash-manifest`, `--youtube-include-hls-manifest`
* Allow `--list...` options to work with `--print`, `--quiet` and other `--list...` options
* [youtube] Use `player` API for additional video extraction requests by [coletdjnz](https://github.com/coletdjnz)
* **Fixes youtube premium music** (format 141) extraction
* Adds extractor option `player_client` = `web`/`android`
* **`--extractor-args youtube:player_client=android` works around the throttling** for the time-being
* Adds extractor option `player_skip=config`
* Adds age-gate fallback using embedded client
* [youtube] Choose correct Live chat API for upcoming streams by [krichbanana](https://github.com/krichbanana)
* [youtube] Fix subtitle names for age-gated videos
* [youtube:comments] Fix error handling and add `itct` to params by [coletdjnz](https://github.com/coletdjnz)
* [youtube_live_chat] Fix download with cookies by [siikamiika](https://github.com/siikamiika)
* [youtube_live_chat] use `clickTrackingParams` by [siikamiika](https://github.com/siikamiika)
* [Funimation] Rewrite extractor
* Add `FunimationShowIE` by [Mevious](https://github.com/Mevious)
* **Treat the different versions of an episode as different formats of a single video**
* This changes the video `id` and will break break existing archives
* Compat option `seperate-video-versions` to fall back to old behavior including using the old video ids
* Support direct `/player/` URL
* Extractor options `language` and `version` to pre-select them during extraction
* These options may be removed in the future if we can extract all formats without additional network requests
* Do not rely on these for format selection and use `-f` filters instead
* [AdobePass] Add Spectrum MSO by [kevinoconnor7](https://github.com/kevinoconnor7), [ohmybahgosh](https://github.com/ohmybahgosh)
* [facebook] Extract description and fix title
* [fancode] Fix extraction, support live and allow login with refresh token by [zenerdi0de](https://github.com/zenerdi0de)
* [plutotv] Improve `_VALID_URL`
* [RCTIPlus] Add extractor by [MinePlayersPE](https://github.com/MinePlayersPE)
* [Soundcloud] Allow login using oauth token by [blackjack4494](https://github.com/blackjack4494)
* [TBS] Support livestreams by [llacb47](https://github.com/llacb47)
* [videa] Fix extraction by [nyuszika7h](https://github.com/nyuszika7h)
* [yahoo] Fix extraction by [llacb47](https://github.com/llacb47), [pukkandan](https://github.com/pukkandan)
* Process videos when using `--ignore-no-formats-error` by [krichbanana](https://github.com/krichbanana)
* Fix `--throttled-rate` when using `--load-info-json`
* Fix `--flat-playlist` when entry has no `ie_key`
* Fix `check_formats` catching `ExtractorError` instead of `DownloadError`
* Fix deprecated option `--list-formats-old`
* [downloader/ffmpeg] Fix `--ppa` when using simultaneous download
* [extractor] Prevent unnecessary download of hls manifests and refactor `hls_split_discontinuity`
* [fragment] Handle status of download and errors in threads correctly; and minor refactoring
* [thumbnailsconvertor] Treat `jpeg` as `jpg`
* [utils] Fix issues with `LazyList` reversal
* [extractor] Allow extractors to set their own login hint
* [cleanup] Simplify format selector code with `LazyList` and `yield from`
* [cleanup] Clean `extractor.common._merge_subtitles` signature
* [cleanup] Fix some typos