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2Since Chrome {{content.scheduled}}.
3 <em>Warning:</em> this is the current <strong>Beta</strong> channel.
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5<strong>Beta</strong> and <strong>Dev</strong> channels only.
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7
8{{- TODO(kalman): Link to an actual article about API/feature availability and
9    feature detection. -}}
10 <a href="api_index#beta_apis">Learn more</a>.
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