diff --git a/CONTRIBUTORS b/CONTRIBUTORS
index 048d98852..2bf96affe 100644
--- a/CONTRIBUTORS
+++ b/CONTRIBUTORS
@@ -125,3 +125,7 @@ jfogelman
 timethrow
 sarnoud
 Bojidarist
+18928172992817182/gustaf
+nixklai
+smplayer-dev
+Zirro
diff --git a/Changelog.md b/Changelog.md
index 2e6da33fb..6dbc13bd7 100644
--- a/Changelog.md
+++ b/Changelog.md
@@ -14,6 +14,84 @@
 -->
 
 
+### 2021.10.22
+
+* [build] Improvements
+    * Build standalone MacOS packages by [smplayer-dev](https://github.com/smplayer-dev)
+    * Release windows exe built with `py2exe`
+    * Enable lazy-extractors in releases. 
+        * Set env var `YTDLP_NO_LAZY_EXTRACTORS` to forcefully disable this (experimental)
+    * Clean up error reporting in update
+    * Refactor `pyinst.py`, misc cleanup and improve docs
+* [docs] Migrate issues to use forms by [Ashish0804](https://github.com/Ashish0804)
+* [downloader] **Fix slow progress hooks**
+    * This was causing HLS/DASH downloads to be extremely slow in some situations
+* [downloader/ffmpeg] Improve simultaneous download and merge
+* [EmbedMetadata] Allow overwriting all default metadata with `meta_default` key
+* [ModifyChapters] Add ability for `--remove-chapters` to remove sections by timestamp
+* [utils] Allow duration strings in `--match-filter`
+* Add HDR information to formats
+* Add negative option `--no-batch-file` by [Zirro](https://github.com/Zirro)
+* Calculate more fields for merged formats
+* Do not verify thumbnail URLs unless `--check-formats` is specified
+* Don't create console for subprocesses on Windows
+* Fix `--restrict-filename` when used with default template
+* Fix `check_formats` output being written to stdout when `-qv`
+* Fix bug in storyboards
+* Fix conflict b/w id and ext in format selection
+* Fix verbose head not showing custom configs
+* Load archive only after printing verbose head
+* Make `duration_string` and `resolution` available in --match-filter
+* Re-implement deprecated option `--id`
+* Reduce default `--socket-timeout`
+* Write verbose header to logger
+* [outtmpl] Fix bug in expanding environment variables
+* [cookies] Local State should be opened as utf-8
+* [extractor,utils] Detect more codecs/mimetypes
+* [extractor] Detect `EXT-X-KEY` Apple FairPlay
+* [utils] Use `importlib` to load plugins by [sulyi](https://github.com/sulyi)
+* [http] Retry on socket timeout and show the last encountered error
+* [fragment] Print error message when skipping fragment
+* [aria2c] Fix `--skip-unavailable-fragment`
+* [SponsorBlock] Obey `extractor-retries` and `sleep-requests`
+* [Merger] Do not add `aac_adtstoasc` to non-hls audio
+* [ModifyChapters] Do not mutate original chapters by [nihil-admirari](https://github.com/nihil-admirari)
+* [devscripts/run_tests] Use markers to filter tests by [sulyi](https://github.com/sulyi)
+* [7plus] Add cookie based authentication by [nyuszika7h](https://github.com/nyuszika7h)
+* [AdobePass] Fix RCN MSO by [jfogelman](https://github.com/jfogelman)
+* [CBC] Fix Gem livestream by [makeworld-the-better-one](https://github.com/makeworld-the-better-one)
+* [CBC] Support CBC Gem member content by [makeworld-the-better-one](https://github.com/makeworld-the-better-one)
+* [crunchyroll] Add season to flat-playlist Closes #1319
+* [crunchyroll] Add support for `beta.crunchyroll` URLs and fix series URLs with language code
+* [EUScreen] Add Extractor by [Ashish0804](https://github.com/Ashish0804)
+* [Gronkh] Add extractor by [Ashish0804](https://github.com/Ashish0804)
+* [hidive] Fix typo
+* [Hotstar] Mention Dynamic Range in `format_id` by [Ashish0804](https://github.com/Ashish0804)
+* [Hotstar] Raise appropriate error for DRM
+* [instagram] Add login by [u-spec-png](https://github.com/u-spec-png)
+* [instagram] Show appropriate error when login is needed
+* [microsoftstream] Add extractor by [damianoamatruda](https://github.com/damianoamatruda), [nixklai](https://github.com/nixklai)
+* [on24] Add extractor by [damianoamatruda](https://github.com/damianoamatruda)
+* [patreon] Fix vimeo player regex by [zenerdi0de](https://github.com/zenerdi0de)
+* [SkyNewsAU] Add extractor by [Ashish0804](https://github.com/Ashish0804)
+* [tagesschau] Fix extractor by [u-spec-png](https://github.com/u-spec-png)
+* [tbs] Add tbs live streams by [llacb47](https://github.com/llacb47)
+* [tiktok] Fix typo and update tests
+* [trovo] Support channel clips and VODs by [Ashish0804](https://github.com/Ashish0804)
+* [Viafree] Add support for Finland by [18928172992817182](https://github.com/18928172992817182)
+* [vimeo] Fix embedded `player.vimeo`
+* [vlive:channel] Fix extraction by [kikuyan](https://github.com/kikuyan), [pukkandan](https://github.com/pukkandan)
+* [youtube] Add auto-translated subtitles
+* [youtube] Expose different formats with same itag
+* [youtube:comments] Fix for new layout by [coletdjnz](https://github.com/coletdjnz)
+* [cleanup] Cleanup bilibili code by [pukkandan](https://github.com/pukkandan), [u-spec-png](https://github.com/u-spec-png)
+* [cleanup] Remove broken youtube login code
+* [cleanup] Standardize timestamp formatting code
+* [cleanup] Generalize `getcomments` implementation for extractors
+* [cleanup] Simplify search extractors code
+* [cleanup] misc
+
+
 ### 2021.10.10
 
 * [downloader/ffmpeg] Fix bug in initializing `FFmpegPostProcessor`
diff --git a/README.md b/README.md
index 713e6e534..6e773412d 100644
--- a/README.md
+++ b/README.md
@@ -93,9 +93,9 @@ The major new features from the latest release of [blackjack4494/yt-dlc](https:/
 
 * **Aria2c with HLS/DASH**: You can use `aria2c` as the external downloader for DASH(mpd) and HLS(m3u8) formats
 
-* **New extractors**: AnimeLab, Philo MSO, Spectrum MSO, SlingTV MSO, Cablevision MSO, RCN MSO, Rcs, Gedi, bitwave.tv, mildom, audius, zee5, mtv.it, wimtv, pluto.tv, niconico users, discoveryplus.in, mediathek, NFHSNetwork, nebula, ukcolumn, whowatch, MxplayerShow, parlview (au), YoutubeWebArchive, fancode, Saitosan, ShemarooMe, telemundo, VootSeries, SonyLIVSeries, HotstarSeries, VidioPremier, VidioLive, RCTIPlus, TBS Live, douyin, pornflip, ParamountPlusSeries, ScienceChannel, Utreon, OpenRec, BandcampMusic, blackboardcollaborate, eroprofile albums, mirrativ, BannedVideo, bilibili categories, Epicon, filmmodu, GabTV, HungamaAlbum, ManotoTV, Niconico search, Patreon User, peloton, ProjectVeritas, radiko, StarTV, tiktok user, Tokentube, voicy, TV2HuSeries, biliintl, 17live, NewgroundsUser, peertube channel/playlist, ZenYandex, CAM4, CGTN, damtomo, gotostage, Koo, Mediaite, Mediaklikk, MuseScore, nzherald, Olympics replay, radlive, SovietsCloset, Streamanity, Theta, Chingari, ciscowebex, Gettr, GoPro, N1, Theta, Veo, Vupload, NovaPlay
+* **New extractors**: AnimeLab, Philo MSO, Spectrum MSO, SlingTV MSO, Cablevision MSO, RCN MSO, Rcs, Gedi, bitwave.tv, mildom, audius, zee5, mtv.it, wimtv, pluto.tv, niconico users, discoveryplus.in, mediathek, NFHSNetwork, nebula, ukcolumn, whowatch, MxplayerShow, parlview (au), YoutubeWebArchive, fancode, Saitosan, ShemarooMe, telemundo, VootSeries, SonyLIVSeries, HotstarSeries, VidioPremier, VidioLive, RCTIPlus, TBS Live, douyin, pornflip, ParamountPlusSeries, ScienceChannel, Utreon, OpenRec, BandcampMusic, blackboardcollaborate, eroprofile albums, mirrativ, BannedVideo, bilibili categories, Epicon, filmmodu, GabTV, HungamaAlbum, ManotoTV, Niconico search, Patreon User, peloton, ProjectVeritas, radiko, StarTV, tiktok user, Tokentube, voicy, TV2HuSeries, biliintl, 17live, NewgroundsUser, peertube channel/playlist, ZenYandex, CAM4, CGTN, damtomo, gotostage, Koo, Mediaite, Mediaklikk, MuseScore, nzherald, Olympics replay, radlive, SovietsCloset, Streamanity, Theta, Chingari, ciscowebex, Gettr, GoPro, N1, Theta, Veo, Vupload, NovaPlay, SkyNewsAU, EUScreen, Gronkh, microsoftstream, on24, trovo channels
 
-* **Fixed/improved extractors**: archive.org, roosterteeth.com, skyit, instagram, itv, SouthparkDe, spreaker, Vlive, akamai, ina, rumble, tennistv, amcnetworks, la7 podcasts, linuxacadamy, nitter, twitcasting, viu, crackle, curiositystream, mediasite, rmcdecouverte, sonyliv, tubi, tenplay, patreon, videa, yahoo, BravoTV, crunchyroll playlist, RTP, viki, Hotstar, vidio, vimeo, mediaset, Mxplayer, nbcolympics, ParamountPlus, Newgrounds, SAML Verizon login, Hungama, afreecatv, aljazeera, ATV, bitchute, camtube, CDA, eroprofile, facebook, HearThisAtIE, iwara, kakao, Motherless, Nova, peertube, pornhub, reddit, tiktok, TV2, TV2Hu, tv5mondeplus, VH1, Viafree, XHamster, 9Now, AnimalPlanet, Arte, CBC, Chingari, comedycentral, DIYNetwork, niconico, dw, funimation, globo, HiDive, NDR, Nuvid, Oreilly, pbs, plutotv, reddit, redtube, soundcloud, SpankBang, VrtNU, bbc, Bilibili, LinkedInLearning, parliamentlive, PolskieRadio, Streamable, vidme, francetv
+* **Fixed/improved extractors**: archive.org, roosterteeth.com, skyit, instagram, itv, SouthparkDe, spreaker, Vlive, akamai, ina, rumble, tennistv, amcnetworks, la7 podcasts, linuxacadamy, nitter, twitcasting, viu, crackle, curiositystream, mediasite, rmcdecouverte, sonyliv, tubi, tenplay, patreon, videa, yahoo, BravoTV, crunchyroll, RTP, viki, Hotstar, vidio, vimeo, mediaset, Mxplayer, nbcolympics, ParamountPlus, Newgrounds, SAML Verizon login, Hungama, afreecatv, aljazeera, ATV, bitchute, camtube, CDA, eroprofile, facebook, HearThisAtIE, iwara, kakao, Motherless, Nova, peertube, pornhub, reddit, tiktok, TV2, TV2Hu, tv5mondeplus, VH1, Viafree, XHamster, 9Now, AnimalPlanet, Arte, CBC, Chingari, comedycentral, DIYNetwork, niconico, dw, funimation, globo, HiDive, NDR, Nuvid, Oreilly, pbs, plutotv, reddit, redtube, soundcloud, SpankBang, VrtNU, bbc, Bilibili, LinkedInLearning, parliamentlive, PolskieRadio, Streamable, vidme, francetv, 7plus, tagesschau
 
 * **Subtitle extraction from manifests**: Subtitles can be extracted from streaming media manifests. See [commit/be6202f](https://github.com/yt-dlp/yt-dlp/commit/be6202f12b97858b9d716e608394b51065d0419f) for details
 
diff --git a/supportedsites.md b/supportedsites.md
index 02be6b918..616151db8 100644
--- a/supportedsites.md
+++ b/supportedsites.md
@@ -226,7 +226,9 @@
  - **Crackle**
  - **CrooksAndLiars**
  - **crunchyroll**
+ - **crunchyroll:beta**
  - **crunchyroll:playlist**
+ - **crunchyroll:playlist:beta**
  - **CSpan**: C-SPAN
  - **CtsNews**: 華視新聞
  - **CTV**
@@ -315,6 +317,7 @@
  - **ESPNArticle**
  - **EsriVideo**
  - **Europa**
+ - **EUScreen**
  - **EWETV**
  - **ExpoTV**
  - **Expressen**
@@ -394,6 +397,7 @@
  - **Goshgay**
  - **GoToStage**
  - **GPUTechConf**
+ - **Gronkh**
  - **Groupon**
  - **hbo**
  - **HearThisAt**
@@ -570,6 +574,7 @@
  - **Mgoon**
  - **MGTV**: 芒果TV
  - **MiaoPai**
+ - **microsoftstream**: Microsoft Stream
  - **mildom**: Record ongoing live by specific user in Mildom
  - **mildom:user:vod**: Download all VODs from specific user in Mildom
  - **mildom:vod**: Download a VOD in Mildom
@@ -734,6 +739,7 @@
  - **Odnoklassniki**
  - **OktoberfestTV**
  - **OlympicsReplay**
+ - **on24**: ON24
  - **OnDemandKorea**
  - **onet.pl**
  - **onet.tv**
@@ -961,6 +967,7 @@
  - **SkylineWebcams**
  - **skynewsarabia:article**
  - **skynewsarabia:video**
+ - **SkyNewsAU**
  - **Slideshare**
  - **SlidesLive**
  - **Slutload**
@@ -970,7 +977,7 @@
  - **SonyLIVSeries**
  - **soundcloud**
  - **soundcloud:playlist**
- - **soundcloud:search**: Soundcloud search
+ - **soundcloud:search**: Soundcloud search, "scsearch" keyword
  - **soundcloud:set**
  - **soundcloud:trackstation**
  - **soundcloud:user**
@@ -1029,7 +1036,6 @@
  - **SztvHu**
  - **t-online.de**
  - **Tagesschau**
- - **tagesschau:player**
  - **Tass**
  - **TBS**
  - **TDSLifeway**
@@ -1089,6 +1095,8 @@
  - **TrailerAddict** (Currently broken)
  - **Trilulilu**
  - **Trovo**
+ - **TrovoChannelClip**: All Clips of a trovo.live channel, "trovoclip" keyword
+ - **TrovoChannelVod**: All VODs of a trovo.live channel, "trovovod" keyword
  - **TrovoVod**
  - **TruNews**
  - **TruTV**
@@ -1193,7 +1201,7 @@
  - **Viddler**
  - **Videa**
  - **video.arnes.si**: Arnes Video
- - **video.google:search**: Google Video search
+ - **video.google:search**: Google Video search (Currently broken)
  - **video.sky.it**
  - **video.sky.it:live**
  - **VideoDetective**