Add proposal-upsert methods to lib.esnext.collection #62612
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typescript-bot
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This PR doesn't have any linked issues. Please open an issue that references this PR. From there we can discuss and prioritise. |
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Do you know how far this is from being out of staging in V8/Chromium? The types themselves seem correct, of course, but I was trying to avoid being premature. |
jakebailey
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Nov 19, 2025
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Approving, though, and we can merge when ready.
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Roadmapped for M145. |
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proposal-upsert is now stage 3, shipped in Safari 18.4, shipping in Firefox 144, and staging in Chromium.