Issues

• 1.7: MediaSource reset re-attaches over a src set by a third party on the attached media element (breaks IMA custom playback Ads on iOS)

  BugNeeds Triage
  video-dev/hls.js#8073 · Filter by author nochev opened on Oct 9, 2026
  2

• missing cues and styling when rendering im1t subtitles

  BugNeeds Triage
  video-dev/hls.js#8069 · Filter by author pkoshevoy opened on Oct 5, 2026

• Add stricter IMSC1 / TTML parsing

  Feature proposal
  video-dev/hls.js#8067 · Filter by author robwalch opened on Oct 2, 2026

• progressive: true breaks every AES-128 stream (fragParsingError)

  BugNeeds Triage
  video-dev/hls.js#8065 · Filter by author lagudafuadtosin opened on Oct 2, 2026

• v1.6.18 regression: the timestamp offset grows at every discontinuity

  video-dev/hls.js#8064 · Filter by author littlespex opened on Oct 1, 2026 · 1.7.4
  5

• LL-HLS subtitle loading stalls permanently due to a one-ULP rounding difference in the final-part comparison

  Bug
  video-dev/hls.js#8051 · Filter by author SangwonOh opened on Sep 21, 2026 · 1.7.4

• LL-HLS MPEG-TS KLV metadata is lost between parts in hls.js 1.7.1

  BugmetadataNeeds Triage
  video-dev/hls.js#8038 · Filter by author Dogmeat2000 opened on Sep 11, 2026
  4

• SourceBuffer append rejection loops indefinitely on a single variant stream: locally determined gaps do not survive recoverMediaError()

  BugNeed infoNeeds Triage
  video-dev/hls.js#8035 · Filter by author hongjun-bae opened on Sep 10, 2026
  4

• HEVC-in-TS without AUDs: hvcC is written with an empty PPS array, so nothing decodes (silent, predates 1.7.0)

  video-dev/hls.js#8022 · Filter by author SeanMallardOrnata opened on Aug 31, 2026
  1

• LG webOS playback issue with hls.js@latest, works with v1.6.15

  cannot reproduceNeed infoQuestion
  video-dev/hls.js#8014 · Filter by author Janam007 opened on Aug 27, 2026
  7

• Playback stops when AES-128, SAMPLE-AES, MPEG-TS, and/or fMP4 assets are mixed within a media playlist

  BugMissing Featuresourcebuffer-track-mismatch
  video-dev/hls.js#8002 · Filter by author JungleGenius opened on Aug 22, 2026
  2

• Playlist reload reuse

  Feature proposalNeeds Triage
  video-dev/hls.js#8001 · Filter by author itsjamie opened on Aug 22, 2026

• ABR: findBestLevel hard-excludes smooth:false levels, capping quality below maxLevel (MediaCapabilities false-negative)

  media-capabilities
  video-dev/hls.js#7917 · Filter by author hongjun-bae opened on Jun 23, 2026

• Multivariant playlists with data-url embedded media playlists don't work

  BugNot SupportedRevisit-at-later-release-cycle
  video-dev/hls.js#7907 · Filter by author tmathmeyer opened on Jun 13, 2026
  3

• Clear to encrypted transition on PlayReady SL3000 Chrome/Win

  BugDRM
  video-dev/hls.js#7894 · Filter by author xoundboy opened on Jun 4, 2026 · 1.8.0
  3

• Buffer gap when playing Low Latency HLS with parts that may not start with IDR

  Bug
  video-dev/hls.js#7782 · Filter by author dzianis-dashkevich opened on Apr 7, 2026 · 1.8.0
  1

  

• Support I-Frame requests of Interstitials on integrated timeline

  Interstitials
  video-dev/hls.js#7781 · Filter by author robwalch opened on Apr 6, 2026 · 1.8.0

• Should Low-Latency Server Configuration Profile be met before using Parts?

  LiveLow-Latency
  video-dev/hls.js#7729 · Filter by author robwalch opened on Feb 13, 2026 · 1.8.0

• Hold playback until initial buffer length

  answeredEnhancementQuestionRevisit-at-later-release-cycle
  video-dev/hls.js#7647 · Filter by author PavelFomin90 opened on Nov 17, 2025
  4

• no d.ts file for the /light version

  light-buildRevisit-at-later-release-cycleTypeScript
  video-dev/hls.js#7574 · Filter by author tijnjh opened on Oct 13, 2025
  2

• Client-side Interstitials API

  Feature proposalInterstitials
  video-dev/hls.js#7571 · Filter by author ghouet opened on Oct 9, 2025 · 1.8.0
  3

• Stall when playback reaches EOS of shortest track

  Browser issueEnhancementRevisit-at-later-release-cyclesourcebuffer-track-mismatchStream Issue
  video-dev/hls.js#7543 · Filter by author jpk-frameio opened on Sep 17, 2025
  6

• Support SCORE for prioritization of specific variants within a playlist

  Feature proposal
  video-dev/hls.js#7538 · Filter by author robwalch opened on Sep 12, 2025 · 1.8.0

• Support switching alternate video renditions (as you do for audio)

  Feature proposal
  video-dev/hls.js#7534 · Filter by author danihorvath opened on Sep 11, 2025
  1

• Stop when playing a stream from no encryption to encryption for Playready DRM

  BugDRM
  video-dev/hls.js#7532 · Filter by author yajin2021 opened on Sep 9, 2025
  4