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HTML 5.0 Features at Risk

WARNING: This wiki page is used solely as a shared document holding place while the list of AR features is discussed. Do NOT use this as the definitive list, that will be listed in the document itself once published.

Features to remove in LC

  • <details>/<summary>
  • <dialog> (extension spec?)
  •  :dir() pseudoclass
  • <iframe seamless> (extension spec?)
  • isContentHandlerRegistered, isProtocolHandlerRegistered
  • input types datetime, datetime-local, week, month (extension spec?)
  • reportValidity
  • <style scoped>
  • XMLDocument.load (from 5.1 as well)

Features at risk in LC

  • DataCue
  •  :valid, :invalid (shouldn't be on the list (chrome, IE and FF are implementing), valid-invalid test was fixed)
  • New ruby model?
  • HTMLMediaElement.addTextTrack? (shouldn't be on the list (chrome, IE and FF are implementing). the test is now correct addTextTrack)
  • input type=time

DOM4 Features at Risk

  • Elements interface (whole section), query/queryAll
  • ArrayClass extended attribute
  • append/prepend (need tests?)
  • before/after/replace (need tests)
  • MutationObservers (need tests)


The sections below are older versions of the thinking on At Risk features.

HTML 5.0

HTML Canvas 2D Context