Tracking phase progress #61

This is a tracking issue for the phase requirements and other issues that should be resolved for the proposal.

Phase 2 requirements

• Full proposed English spec text available in a forked repo around which a reasonably high level of consensus exists

Phase 3 requirements

• Test suite has been updated to cover the feature in its forked repo
  • An initial test suite is in WPT now: https://github.com/web-platform-tests/wpt/tree/master/wasm/webapi
• The test suite should run against some implementation, though it need not be the reference interpreter
  • Initial support is in WebKit: WebKit/WebKit@9385643

Phase 4 Requirements

• Two or more Web VMs implement the feature

  • V8 (tracking bug: https://bugs.chromium.org/p/chromium/issues/detail?id=841494)
  • Firefox

• At least one toolchain implements the feature

• The formalized spec is updated (N/A but HTML spec should be updated)

• Community Group has reached consensus in support of the feature