Features

• Introduces comprehensive support for CMCD (Common Media Client Data) Version 2, significantly expanding the player's capabilities for media analytics and client-side data reporting. The implementation leverages the @svta/cml-cmcd library's CmcdReporter to centralize reporting mechanisms, reducing complexity and improving maintainability while aligning with the latest CMCD specifications by @cotid-qualabs, @sebastianpiq , @littlespex,@dsilhavy in https://github.com/Dash-Industry-Forum/dash.js/pull/4816
• Add support for Certurl element by @gorkemg and @dsilhavy in https://github.com/Dash-Industry-Forum/dash.js/pull/4876, https://github.com/Dash-Industry-Forum/dash.js/pull/4973
• Add Apple FairPlay Streaming (FPS) DRM support by @tobbee in https://github.com/Dash-Industry-Forum/dash.js/pull/4941
• Add a new reference UI by @dsilhavy (Claude Opus 4.6 was used in this PR) in https://github.com/Dash-Industry-Forum/dash.js/pull/4974
• Add a limitBitrateByPortalMinimum setting to prevent limiting too much by @robertbryer in https://github.com/Dash-Industry-Forum/dash.js/pull/4950
• Update 608 library to support H.265/H.266 payloads by @littlespex in https://github.com/Dash-Industry-Forum/dash.js/pull/4954
• Add a new method getRepresentationsByTypeUnfiltered. This allows applications to get all Representations regardless of any filter settings by @dsilhavy in https://github.com/Dash-Industry-Forum/dash.js/pull/4963
• Enable mapping of Supplemental and Essential Properties from AdaptationSet to all Representations, but exclude those needed for URLQueryParams according to Annex I. by @stschr in https://github.com/Dash-Industry-Forum/dash.js/pull/4901
• Add a setting blacklistExpiryTime to expire blacklisted service locations by @robertbryer in https://github.com/Dash-Industry-Forum/dash.js/pull/4983

Improvements

• Performance: reduce Object.keys allocations in hot paths by @PascalThuet in https://github.com/Dash-Industry-Forum/dash.js/pull/4937
• Performance: make GapController interval configurable and reduce hot-path allocations by @PascalThuet in https://github.com/Dash-Industry-Forum/dash.js/pull/4943
• Apply npm audit fixes by @dsilhavy in https://github.com/Dash-Industry-Forum/dash.js/pull/4899, https://github.com/Dash-Industry-Forum/dash.js/pull/4994, https://github.com/Dash-Industry-Forum/dash.js/pull/5023
• Allow preload to work even when the setting cacheInitSegments is false by @robertbryer in https://github.com/Dash-Industry-Forum/dash.js/pull/4957
• Adds a warning message when an AdaptationSet is filtered because of unsupported EssentialProperties by @dsilhavy in https://github.com/Dash-Industry-Forum/dash.js/pull/4961
• Add Agents.md with information for AI agents by @dsilhavy in https://github.com/Dash-Industry-Forum/dash.js/pull/4965
• Improve track equality check by @stschr in https://github.com/Dash-Industry-Forum/dash.js/pull/4966
• Low Latency Improvements by @ryanmccartney in https://github.com/Dash-Industry-Forum/dash.js/pull/4916
• Refactors the GitHub actions to make specific parts reusable and avoid code duplication by @dsilhavy in https://github.com/Dash-Industry-Forum/dash.js/pull/4975
• Add notification pane in reference UI by @dsilhavy in https://github.com/Dash-Industry-Forum/dash.js/pull/4977
• Refactor: replace bcp-47-normalize with lightweight BCP-47 normalization (-185 KB) by @PascalThuet in https://github.com/Dash-Industry-Forum/dash.js/pull/4970
• Adds options to set the persistentState and the distinctiveIdentifier via the reference UIby @dsilhavy in https://github.com/Dash-Industry-Forum/dash.js/pull/4991
• Replace ua-parser-js with lightweight browser detection (-26 KB) by @PascalThuet in https://github.com/Dash-Industry-Forum/dash.js/pull/4972, https://github.com/Dash-Industry-Forum/dash.js/pull/5007
• Dynamically read out request timeout in case settings are updated during runtime by @dsilhavy in https://github.com/Dash-Industry-Forum/dash.js/pull/4997
• Abort retrieveManifest requests after reset by @robertbryer in https://github.com/Dash-Industry-Forum/dash.js/pull/5027

Bugfixes

• Fix an issue with AdaptationSets linking to themself in a SupplementalProperty by @dsilhavy in https://github.com/Dash-Industry-Forum/dash.js/pull/4918
• Remove karma-webdriver-launcher because of insecurities and add buffe… by @dsilhavy in https://github.com/Dash-Industry-Forum/dash.js/pull/4920
• Check K value when determining whether to enable low latency mode by @ryanmccartney in https://github.com/Dash-Industry-Forum/dash.js/pull/4915
• Fix an issue that lead to exponential Increase in Concurrent Segment Requests for low latency streaming by @dsilhavy in https://github.com/Dash-Industry-Forum/dash.js/pull/4921
• changing media asset location by @stschr in https://github.com/Dash-Industry-Forum/dash.js/pull/4928
• Fix downloads of WebVTT segments in multiperiod MPD by @dsilhavy in https://github.com/Dash-Industry-Forum/dash.js/pull/4925
• Fix a bug in the L3D implementation when playing livesim2 content by @dsilhavy in https://github.com/Dash-Industry-Forum/dash.js/pull/4927
• Fix(steering): Fix incorrect splice/indexOf arguments in blacklist timer cleanup by @PascalThuet in https://github.com/Dash-Industry-Forum/dash.js/pull/4946
• Fix(mss): prevent crash when all DVR segments are removed by @PascalThuet in https://github.com/Dash-Industry-Forum/dash.js/pull/4947
• Fix addressing changed codecs at Period boundaries by @stschr in https://github.com/Dash-Industry-Forum/dash.js/pull/4949
• Adds missing NEW_TRACK_SELECTED to Typescript file. Fixes [#4940] by @dsilhavy in https://github.com/Dash-Industry-Forum/dash.js/pull/4952
• Change StreamProcessor bandwidth check for scalable LCEVC by @v-nova-romas in https://github.com/Dash-Industry-Forum/dash.js/pull/4951
• Fix/nullpointer accessibility by @dsilhavy in https://github.com/Dash-Industry-Forum/dash.js/pull/4955
• Fix(streaming): add LRU cache limit to InitCache by @PascalThuet in https://github.com/Dash-Industry-Forum/dash.js/pull/4935
• Fix(core): prevent memory leaks in EventBus and XHRLoader by @PascalThuet in https://github.com/Dash-Industry-Forum/dash.js/pull/4934
• Replace Edgeware with Eyevinn in reference player contributors by @tobbee in https://github.com/Dash-Industry-Forum/dash.js/pull/4968
• jsdoc fix + verbose logger by @stschr in https://github.com/Dash-Industry-Forum/dash.js/pull/4980
• Fix: make MediaPlayerFactory SSR-safe to prevent 'window is not defined' error by @PascalThuet in https://github.com/Dash-Industry-Forum/dash.js/pull/4929
• Fix(dvb): correct off-by-one in DVBSelector weighted BaseURL selection by @PascalThuet in https://github.com/Dash-Industry-Forum/dash.js/pull/4982
• Fix(ttml): use endTimeSegment as fallback for last cue end time by @PascalThuet in https://github.com/Dash-Industry-Forum/dash.js/pull/4986
• Fix a bug that causes selection of the wrong certificate server url by @dsilhavy in https://github.com/Dash-Industry-Forum/dash.js/pull/4989
• Use responseStart for resourceTiming.responseStart by @dsilhavy in https://github.com/Dash-Industry-Forum/dash.js/pull/5024
• Fix a bug in the refrence UI causing loop for multiperiod content before period transition by @dsilhavy in https://github.com/Dash-Industry-Forum/dash.js/pull/5029
• Fix unreachable code warning in MediaController, update eslint config by @davemevans in https://github.com/Dash-Industry-Forum/dash.js/pull/5020
• Fix vulnerability issues in simple express server by @dsilhavy https://github.com/Dash-Industry-Forum/dash.js/pull/5031
• Change description of test vector in list of smoke vectors by @dsilhavy