Changelog:

• Add logo, banner and donate links
• Expand and escape environment variables correctly in output template
• Add format types j (json), l (comma delimited list), q (quoted for terminal) in output template
• [downloader] Allow streaming some unmerged formats to stdout using ffmpeg
• [youtube] Age-gate bypass
  • Add agegate clients by pukkandan, MinePlayersPE
  • Add thirdParty to agegate clients to bypass more videos
  • Simplify client definitions, expose embedded clients
  • Improve age-gate detection by coletdjnz
  • Fix default global API key by coletdjnz
  • Add creator clients for age-gate bypass using unverified accounts by zerodytrash, coletdjnz, pukkandan
• [adobepass] Add MSO Sling TV by wesnm
• [CBS] Add ParamountPlusSeriesIE by Ashish0804
• [dplay] Add ScienceChannelIE by Sipherdrakon
• [UtreonIE] Add extractor by Ashish0804
• [youtube] Add mweb client by coletdjnz
• [youtube] Add player_client=all
• [youtube] Force hl=en for comments by coletdjnz
• [youtube] Fix format sorting when using alternate clients
• [youtube] Misc cleanup by pukkandan, coletdjnz
• [youtube] Extract SAPISID only once
• [CBS] Add fallback by llacb47, pukkandan
• [Hotstar] Support cookies by Ashish0804
• [HotStarSeriesIE] Fix regex by Ashish0804
• [bilibili] Improve _VALID_URL
• [mediaset] Fix extraction by nixxo
• [Mxplayer] Add h265 formats by Ashish0804
• [RCTIPlus] Remove PhantomJS dependency by MinePlayersPE
• [tenplay] Add MA15+ age limit by pento
• [vidio] Fix login error detection by MinePlayersPE
• [vimeo] Better extraction of original file by Ashish0804
• [generic] Support KVS player (replaces ThisVidIE) by 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