* Tighten allowed HTML in oEmbed-based preview cards * Sanitize preview cards at render time * Add `sandbox` attribute to preview card iframes  | 
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|---|---|---|
| .. | ||
| sanitize_config.rb | ||
				* Tighten allowed HTML in oEmbed-based preview cards * Sanitize preview cards at render time * Add `sandbox` attribute to preview card iframes  | 
			||
|---|---|---|
| .. | ||
| sanitize_config.rb | ||