Issues

• Media Session doesn't define how artwork images without specified dimension (e.g. dimensionless SVG images) should be sized

  w3c/mediasession#379 · Filter by author weinig opened on Oct 8, 2026

• When should a Web Audio only page become the active media session?

  TPAC2026
  Bug

  w3c/mediasession#378 · Filter by author alastor0325 opened on Sep 24, 2026
  1

• Media session should have a generic call-to-action handler

  w3c/mediasession#377 · Filter by author danae404 opened on Aug 6, 2026
  4

• MediaSession Actions create a backdoor for nonstandard features

  w3c/mediasession#376 · Filter by author jan-ivar opened on Jul 17, 2026

• Add way for pages to hint which Media Session actions appear in compact / lock-screen surfaces

  w3c/mediasession#374 · Filter by author jordanonuma opened on May 16, 2026

• Add 'enterfullscreen' action

  w3c/mediasession#372 · Filter by author liberato-at-chromium opened on Apr 6, 2026

• Add site-provided transcripts to media session metadata

  w3c/mediasession#370 · Filter by author yrw-google opened on Mar 18, 2026
  9

• Expand use-cases beyond OS provided

  w3c/mediasession#368 · Filter by author rektide opened on Jan 1, 2026

• Reaction with 👎 👍 buttons

  enhancement
  w3c/mediasession#366 · Filter by author jimmywarting opened on Dec 22, 2025
  2

• New action: record

  enhancement
  w3c/mediasession#365 · Filter by author rektide opened on Dec 11, 2025

• MediaSession should have a playbackrate action handler

  enhancementTPAC2025
  w3c/mediasession#361 · Filter by author bjacke opened on Apr 25, 2025

• https://w3c.github.io/mediasession/#convert-artwork-algorithm is putting an URL in a MediaImage src which is a USVString

  TPAC2025
  w3c/mediasession#360 · Filter by author youennf opened on Apr 17, 2025

• Accessibility self review

  TPAC2025
  w3c/mediasession#357 · Filter by author chrisn opened on Apr 3, 2025

• Add Accessibility Considerations section

  TPAC2025
  w3c/mediasession#356 · Filter by author chrisn opened on Apr 3, 2025

• The MediaImage dictionary duplicates ImageResource

  w3c/mediasession#355 · Filter by author marcoscaceres opened on Apr 3, 2025

• Language and text direction for labels?

  TPAC2025
  w3c/mediasession#349 · Filter by author tidoust opened on Dec 5, 2024

• Register default action for when no media session is active

  w3c/mediasession#348 · Filter by author lucas42 opened on Oct 14, 2024

• Allow websites with media playback to enter picture-in-picture automatically

  w3c/mediasession#347 · Filter by author beaufortfrancois opened on Oct 9, 2024
  1

• Make "skipad" action more generic

  Ready for PR
  w3c/mediasession#340 · Filter by author martinthomson opened on Sep 11, 2024
  2

• Allow websites to disable default action handlers

  w3c/mediasession#338 · Filter by author steimelchrome opened on Sep 4, 2024
  5

• Horizontal reviews

  w3c/mediasession#336 · Filter by author chrisn opened on Aug 27, 2024

• The spec should state that capture related actions should generally have a source target

  w3c/mediasession#334 · Filter by author youennf opened on Jun 28, 2024

• The update capture state algorithm needs refinement

  TPAC2025
  w3c/mediasession#332 · Filter by author jan-ivar opened on May 24, 2024
  2

• MediaSessionActionHandler callback's type is never correctly chosen

  TPAC2025
  w3c/mediasession#331 · Filter by author marcoscaceres opened on May 13, 2024
  3

• Using MediaSession without playing audio?

  question
  w3c/mediasession#328 · Filter by author pixelblob opened on May 8, 2024
  4