Changelog:

• [build] Improvements
  • Build standalone MacOS packages by 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
• [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
• 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
• [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
• [devscripts/run_tests] Use markers to filter tests by sulyi
• [7plus] Add cookie based authentication by nyuszika7h
• [AdobePass] Fix RCN MSO by jfogelman
• [CBC] Fix Gem livestream by makeworld-the-better-one
• [CBC] Support CBC Gem member content by 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
• [Gronkh] Add extractor by Ashish0804
• [hidive] Fix typo
• [Hotstar] Mention Dynamic Range in format_id by Ashish0804
• [Hotstar] Raise appropriate error for DRM
• [instagram] Add login by u-spec-png
• [instagram] Show appropriate error when login is needed
• [microsoftstream] Add extractor by damianoamatruda, nixklai
• [on24] Add extractor by damianoamatruda
• [patreon] Fix vimeo player regex by zenerdi0de
• [SkyNewsAU] Add extractor by Ashish0804
• [tagesschau] Fix extractor by u-spec-png
• [tbs] Add tbs live streams by llacb47
• [tiktok] Fix typo and update tests
• [trovo] Support channel clips and VODs by Ashish0804
• [Viafree] Add support for Finland by 18928172992817182
• [vimeo] Fix embedded player.vimeo
• [vlive:channel] Fix extraction by kikuyan, pukkandan
• [youtube] Add auto-translated subtitles
• [youtube] Expose different formats with same itag
• [youtube:comments] Fix for new layout by coletdjnz
• [cleanup] Cleanup bilibili code by pukkandan, 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

See this for a description of the release files