RESOLVED FIXED296248
[JSC] Make `Intl.DateTimeFormat` Throw `RangeError` for Legacy Non-IANA Timezones to Align with TC39 
https://bugs.webkit.org/show_bug.cgi?id=296248
Summary [JSC] Make `Intl.DateTimeFormat` Throw `RangeError` for Legacy Non-IANA Timez...
Keita Nonaka
Reported 2025-07-20 11:46:58 PDT
Make `Intl.DateTimeFormat` throw RangeError for legacy non-IANA timezones to align with TC39
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Add attachment proposed patch, testcase, etc.
Keita Nonaka
Comment 1 2025-07-20 11:54:07 PDT
Pull request: https://github.com/WebKit/WebKit/pull/48303
Radar WebKit Bug Importer
Comment 2 2025-07-27 11:47:11 PDT
<rdar://problem/156857252>
EWS
Comment 3 2025-11-01 23:25:19 PDT
Committed 302447@main (12b12bf77297): <https://commits.webkit.org/302447@main> Reviewed commits have been landed. Closing PR #48303 and removing active labels.
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