Skip to content
  • 日本語ホームページJapanese website
  • 简体中文首页Chinese website
W3C Visit the W3C homepage
  • Standards & groups

    Standards & groups

    Understand the various specifications, their maturity levels on the web standards track, their adoption, and the groups that develop them.

    Explore web standards
    • About W3C web standards
    • W3C standards & drafts
    • Types of documents W3C publishes
    • W3C groups
    • Translations of W3C standards & drafts
    • Reviews & public feedback
    • Promote web standards
    • Liaisons
    • Technical Architecture Group (TAG)
  • Get involved

    Get involved

    W3C works at the nexus of core technology, industry needs, and societal needs.

    Find ways to get involved
    • Browse our work by industry
    • Become a Member
    • Member home (restricted)
    • Support us
    • Mailing lists
    • Participant guidebook
    • Positive work environment
    • Invited Experts
  • Resources

    Resources

    Master web fundamentals, use our developer tools, or contribute code.

    Learn from W3C resources
    • Developers
    • Validators & tools
    • Accessibility fundamentals
    • Internationalization (i18n)
    • Translations of W3C standards & drafts
    • Code of conduct
    • Reports
  • News & events

    News & events

    Recent content across news, blogs, press releases, media; upcoming events.

    Explore news & events
    • News
    • Blog
    • Press releases
    • Press & media
    • Events
    • Annual W3C Conference (TPAC)
    • Code of conduct
  • Support us

    Support us

    Make a huge difference to our operations as a public-interest non-profit, and help us to achieve our vision.

    • Ways you can support us
  • About

    About

    Understand our values and principles, learn our history, look into our policies, meet our people.

    Find out more about us
    • Our mission
    • Support us
    • Leadership
    • Staff
    • Careers
    • Media kit
    • Diversity
    • Evangelists
    • Corporation
    • Policies & legal information
    • Contact us
    • Help
  • Search
  • My account
  1. Home
  2. Standards
  3. Encrypted Media Extensions Initialization Data Format Registry publication history

Encrypted Media Extensions Initialization Data Format Registry publication history

Date Status
4 June 2026 Draft Registry
7 May 2026 Draft Registry
2 December 2025 Draft Registry
18 July 2024 Draft Registry
15 September 2016 Note
7 September 2016 Note
31 August 2016 Note
10 May 2016 Note
  • Home
  • Contact
  • Help
  • Support us
  • Legal & Policies
  • Corporation
  • System Status
  • W3C on Mastodon
  • W3C on GitHub

Copyright © 2026 World Wide Web Consortium.
W3C® liability, trademark and permissive license rules apply.