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URL safety checks now cover list-valued config fields, with a new setting to allow loopback response URLs.
The loopback/https hygiene check for bootstrap config, previously limited to single string URLs, now also inspects array-valued fields using a new helper that collects URLs from strings, arrays, and {url} objects. A new allowLoopbackResponseUrls setting can explicitly permit response URLs to point at loopback hosts.
Names in the bundleallowLoopbackResponseUrls