Core changes

• Allow extractors to designate formats/subtitles for impersonation (#13778) by bashonly (With fixes in 3e49bc8, 2ac3eb9)
• Don't let format testing alter the return code (#13767) by bashonly
• Fix --exec placeholder expansion on Windows by Grub4K
• No longer enable --mtime by default (#12781) by seproDev
• Warn when skipping formats (#13090) by bashonly
• jsinterp
  • Cache undefined variable names (#13639) by bashonly (With fixes in 805519b)
  • Fix variable scoping (#13639) by bashonly, seproDev
• utils
  • mimetype2ext: Always parse flac from audio/flac (#13748) by bashonly
  • unified_timestamp: Return int values (#13796) by doe1080
  • urlhandle_detect_ext: Use x-amz-meta-file-type headers (#13749) by bashonly

Extractor changes

• Add _search_nextjs_v13_data helper (#13398) by bashonly (With fixes in b5fea53)
• Detect invalid m3u8 playlist data (#13601) by Grub4K
• 10play: Support new site domain (#13611) by Georift
• 9gag: Support browser impersonation (#13678) by bashonly
• aenetworks: Support new URL formats (#13747) by bashonly
• archive.org: Fix extractor (#13706) by rdamas
• bandaichannel: Remove extractor (#13152) by doe1080
• bandcamp: Extract tags (#13480) by WouterGordts
• bellmedia: Remove extractor (#13429) by doe1080
• bilibili: Pass newer user-agent with API requests (#13736) by c-basalt
• bilibilibangumi
  • Fix extractor (#13800) by bashonly
  • Fix geo-block detection (#13667) by bashonly
• blackboardcollaborate: Support subtitles and authwalled videos (#12473) by flanter21
• btvplus: Add extractor (#13541) by bubo
• ctv: Remove extractor (#13429) by doe1080
• dangalplay: Support other login regions (#13768) by bashonly
• francetv: Improve error handling (#13726) by bashonly
• hotstar
  • Fix support for free accounts (#13700) by chauhantirth
  • Improve error handling (#13727) by bashonly (With fixes in ef103b2)
• joqrag: Remove extractor (#13152) by doe1080
• limelight: Remove extractors (#13267) by doe1080
• lrtradio: Fix extractor (#13717) by Pawka
• mir24.tv: Add extractor (#13651) by swayll
• mixlr: Add extractors (#13561) by seproDev, ShockedPlot7560
• mlbtv: Make formats downloadable with ffmpeg (#13761) by bashonly
• newspicks: Fix extractor (#13612) by doe1080
• nhkradiru: Fix metadata extraction (#12708) by garret1317
• noovo: Remove extractor (#13429) by doe1080
• patreon: campaign: Fix extractor (#13712) by bashonly
• playerfm: Add extractor (#13016) by R0hanW
• rai: Fix formats extraction (#13572) by moonshinerd, seproDev
• raisudtirol: Support alternative domain (#13718) by barsnick
• skeb: Rework extractor (#13593) by doe1080
• soundcloud: Always extract original format extension (#13746) by bashonly
• sproutvideo: Fix extractor (#13610) by bashonly
• thehighwire: Add extractor (#13505) by swayll
• twitch: Improve error handling (#13618) by bashonly
• unitednationswebtv: Add extractor (#13538) by averageFOSSenjoyer
• vimeo
  • Fix extractor (#13692) by bashonly
  • Handle age-restricted videos (#13719) by bashonly
• youtube
  • Do not require PO Token for premium accounts (#13640) by coletdjnz
  • Ensure context params are consistent for web clients (#13701) by coletdjnz
  • Extract global nsig helper functions (#13639) by bashonly, seproDev
  • Fix subtitles extraction (#13659) by bashonly
  • Log bad playability statuses of player responses (#13647) by coletdjnz
  • Use impersonation for downloading subtitles (#13786) by bashonly
  • tab: Fix subscriptions feed extraction (#13665) by bashonly

Downloader changes

• hls: Do not fall back to ffmpeg when native is required (#13655) by bashonly

Networking changes

• Request Handler
  • requests
    • Refactor default headers (#13785) by bashonly
    • Work around partial read dropping data (#13599) by Grub4K (With fixes in c316416)

Misc. changes

• cleanup
  • Bump ruff to 0.12.x (#13596) by seproDev
  • Miscellaneous: 9951fdd by adamralph, bashonly, doe1080, hseg, InvalidUsernameException, seproDev
• devscripts: Fix filename/directory Bash completions (#13620) by barsnick
• test: download: Support playlist_maxcount (#13433) by InvalidUsernameException