Issues

• Migrate to imscJS v2 (imsc@2.0.0)

  area: texttype: feature
  Dash-Industry-Forum/dash.js#5178 · Filter by author dsilhavy opened on Oct 21, 2026 · 5.5.0
  

• Relative xlink URLs in the manifest do not resolve correctly

  area: manifeststatus: needs triagetype: bug
  Dash-Industry-Forum/dash.js#5165 · Filter by author Peterdoo opened on Oct 3, 2026 · 5.4.0
  1

  

• Legacy build: transpiled class inheritance makes VO instantiation very expensive on older engines

  platform: smart-tvstatus: needs triagetype: build-ci
  Dash-Industry-Forum/dash.js#5158 · Filter by author pkosmala opened on Sep 29, 2026

• BufferController.prepareForPlaybackSeek throws when sourceBufferSink is null

  area: buffergood first issuestatus: needs triagetype: bug
  Dash-Industry-Forum/dash.js#5150 · Filter by author codertron3001 opened on Sep 21, 2026 · 5.4.0
  2

  

• Period transitions always reset the MediaSource when changeType() is unavailable or disabled

  area: bufferarea: multi-periodstatus: needs triagetype: feature
  Dash-Industry-Forum/dash.js#5147 · Filter by author dsilhavy opened on Sep 17, 2026
  

• Investigate setting HTMLMediaElement.latencyHint in low-latency mode

  area: livestatus: needs triagetype: feature
  Dash-Industry-Forum/dash.js#5146 · Filter by author dsilhavy opened on Sep 17, 2026
  

• Live-edge position not recomputed when availabilityStartTime changes on manifest refresh (silent content offset)

  area: livearea: manifeststatus: needs triagetype: bug
  Dash-Industry-Forum/dash.js#5136 · Filter by author amz71 opened on Sep 8, 2026
  1

• Complete-file WebVTT represented by BaseURL intermittently downloads successfully but produces zero cues; fragmented WebVTT does not.

  area: textstatus: needs triagetype: bug
  Dash-Industry-Forum/dash.js#5135 · Filter by author MikeKav opened on Sep 8, 2026
  1

• Restruct: run CustomTrackSelection prior to preference-based track selection

  area: track-selectionstatus: needs triagetype: feature
  Dash-Industry-Forum/dash.js#5134 · Filter by author stschr opened on Sep 8, 2026 · 5.4.0
  

• Functional test vectors with exclusions are never executed

  status: needs triagetype: test
  Dash-Industry-Forum/dash.js#5131 · Filter by author PascalThuet opened on Sep 3, 2026

• Make coding-agent guidance accurate, DRY, and verifiable

  status: needs triagetype: docs
  Dash-Industry-Forum/dash.js#5129 · Filter by author PascalThuet opened on Sep 3, 2026

• ManagedMediaSource: detaching the source latches the scheduler off permanently, so playback never restarts

  area: bufferplatform: applestatus: needs triagetype: bug
  Dash-Industry-Forum/dash.js#5127 · Filter by author mormegil6 opened on Sep 2, 2026

• StreamProcessor.selectMediaInfo() never settles without a representation controller

  area: track-selectiongood first issuestatus: needs triagetype: bug
  Dash-Industry-Forum/dash.js#5124 · Filter by author PascalThuet opened on Aug 30, 2026

• Settings.update() throws for nested objects targeting null-valued settings

  area: apigood first issuestatus: needs triagetype: bug
  Dash-Industry-Forum/dash.js#5121 · Filter by author PascalThuet opened on Aug 30, 2026

• Gap jumping doesn't work with video buffer gap

  area: bufferstatus: needs triagetype: bug
  Dash-Industry-Forum/dash.js#5115 · Filter by author robertbryer opened on Aug 27, 2026 · 5.3.0
  

• SegmentTimeline S@n is ignored when resolving $Number$

  area: manifestspec compliancestatus: needs triagetype: bug
  Dash-Industry-Forum/dash.js#5107 · Filter by author ypo opened on Aug 20, 2026

• The subtitles are displayed correctly, but without the WebVTT color formatting

  area: textstatus: needs triagetype: bug
  Dash-Industry-Forum/dash.js#5105 · Filter by author testeur-990 opened on Aug 18, 2026

• Use ProducerReferenceTime in calculating live latency

  area: livestatus: needs triagetype: feature
  Dash-Industry-Forum/dash.js#5066 · Filter by author theRealRobG opened on Jul 10, 2026

• TimelineSegmentsGetter: segment lookups rescan the whole SegmentTimeline (O(N^2) playback, O(W) per live-edge fetch)

  area: manifeststatus: needs triagetype: feature
  Dash-Industry-Forum/dash.js#5050 · Filter by author PascalThuet opened on Jun 28, 2026 · 5.4.0

• Startup time regression on HbbTV (Sony 2022, Chrome 55, ARM) — 4.7.3 → 5.1

  platform: smart-tvregressionstatus: needs triagetype: bug
  Dash-Industry-Forum/dash.js#5046 · Filter by author pkosmala opened on Jun 22, 2026
  18

• DashJS hangs and continues to download only manifest and no segment during LL-playback

  area: livestatus: needs triagetype: bug
  Dash-Industry-Forum/dash.js#5039 · Filter by author mediaplayer-novice opened on Jun 15, 2026
  3

• Main content not playing when In a multiperiod MPD Ad periods are clear and main content is encrypted

  area: drmarea: multi-periodstatus: needs triagetype: bug
  Dash-Industry-Forum/dash.js#5032 · Filter by author mukhiyaashunp-bit opened on May 22, 2026 · 5.4.0
  8

• no MPD Events while player is PAUSED

  area: eventsstatus: needs triagetype: bug
  Dash-Industry-Forum/dash.js#5030 · Filter by author StefanoBraghieri opened on May 18, 2026
  2

• The mozAudioCaptured property will soon become unsupported. dash.all.min v5.1.1.js:2:1115748

  status: needs triagetype: bug
  Dash-Industry-Forum/dash.js#5019 · Filter by author astcwycherley-coder opened on Apr 21, 2026
  5

• Start-Over streams: range.start is not stable when paused,causing currentTime fluctuation

  area: livestatus: needs triagetype: bug
  Dash-Industry-Forum/dash.js#5015 · Filter by author testeur-990 opened on Apr 7, 2026
  2