RESOLVED FIXED306233
[JSC] remove feature flag for `Map.prototype.getOrInsert` et al 
https://bugs.webkit.org/show_bug.cgi?id=306233
Summary [JSC] remove feature flag for `Map.prototype.getOrInsert` et al
Devin Rousso
Reported 2026-01-25 16:27:17 PST
it is now stage 4 🎉 <https://github.com/tc39/proposal-upsert> <https://tc39.es/proposal-upsert/>
Attachments
Add attachment proposed patch, testcase, etc.
Devin Rousso
Comment 1 2026-01-25 16:31:40 PST
Pull request: https://github.com/WebKit/WebKit/pull/57223
EWS
Comment 2 2026-01-25 18:00:46 PST
Committed 306182@main (8e8153993988): <https://commits.webkit.org/306182@main> Reviewed commits have been landed. Closing PR #57223 and removing active labels.
Radar WebKit Bug Importer
Comment 3 2026-01-25 18:01:16 PST
<rdar://problem/168887856>
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