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Malte UblandClaude Opus 5.5
5a342ad1a5
Date.parse and new Date(string) answered NaN natively for every form
outside ISO 8601 with an explicit offset and the X509 certificate shape,
so RFC 1123 HTTP dates ("Mon, 01 Jan 2024 00:00:00 GMT") never parsed and
the fresh/express/send conditional GET never matched. The runtime now
falls back to a port of V8's DateParser (the ES5 date-time format, then
the Safari-compatible legacy grammar: weekday and month names, RFC 2822
offsets, zone abbreviations, AM/PM, parenthesized comments, slashes) for
exactly the strings the bounded grammars reject, so the timestamps they
accept cost nothing more. Zone-less dates are local time, converted with
the spec's UTC(t) over the host zone (DST gaps read with the offset before
the transition, overlaps answer the earlier instant).
With native parsing matching Node for every input, the SC6005 literal
warning has nothing left to report and is retired rather than extended to
non-literal inputs.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>