Iterator.prototype.flatMap marked as supported from Safari 26.2 and Bun 1.2.21 because of a bug: throws on iterator without return method
Uint8Array.prototype.setFromHex marked as supported from V8 ~ Chromium 144 because of a bug: throws an error on length-tracking views over ResizableArrayBuffer
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This PR contains the following updates:
| Package | Change | [Age](https://docs.renovatebot.com/merge-confidence/) | [Confidence](https://docs.renovatebot.com/merge-confidence/) |
|---|---|---|---|
| [core-js](https://core-js.io) ([source](https://github.com/zloirock/core-js/tree/HEAD/packages/core-js)) | [`3.47.0` → `3.48.0`](https://renovatebot.com/diffs/npm/core-js/3.47.0/3.48.0) |  |  |
---
### Release Notes
<details>
<summary>zloirock/core-js (core-js)</summary>
### [`v3.48.0`](https://github.com/zloirock/core-js/blob/HEAD/CHANGELOG.md#3480---20260121)
[Compare Source](https://github.com/zloirock/core-js/compare/v3.47.0...v3.48.0)
- Changes [v3.47.0...v3.48.0](https://github.com/zloirock/core-js/compare/v3.47.0...v3.48.0) (126 commits)
- [`Map` upsert proposal](https://github.com/tc39/proposal-upsert):
- Built-ins:
- `Map.prototype.getOrInsert`
- `Map.prototype.getOrInsertComputed`
- `WeakMap.prototype.getOrInsert`
- `WeakMap.prototype.getOrInsertComputed`
- Moved to stable ES, [January 2026 TC39 meeting](https://github.com/tc39/proposals/commit/131e53d6c9e658c6439831a167ed3f7897daf160)
- Added `es.` namespace modules, `/es/` and `/stable/` namespaces entries
- Use `CreateDataProperty` / `CreateDataPropertyOrThrow` in some missed cases, [#​1497](https://github.com/zloirock/core-js/issues/1497)
- Minor fix / optimization in the `RegExp` constructor (NCG and `dotAll`) polyfill
- Added some more workarounds for a Safari < 13 bug with silent ignore of non-writable array `.length`
- Added detection of a Webkit [bug](https://bugs.webkit.org/show_bug.cgi?id=297532): `Iterator.prototype.flatMap` throws on iterator without `return` method
- Added detection of a V8 \~ Chromium < 144 [bug](https://issues.chromium.org/issues/454630441): `Uint8Array.prototype.setFromHex` throws an error on length-tracking views over ResizableArrayBuffer
- Compat data improvements:
- [`Map` upsert proposal](https://github.com/tc39/proposal-upsert) features marked as [shipped in V8 \~ Chrome 145](https://issues.chromium.org/issues/434977728#comment4)
- [Joint iteration proposal](https://github.com/tc39/proposal-joint-iteration) features marked as [shipped in FF148](https://bugzilla.mozilla.org/show_bug.cgi?id=2003333#c8)
- [`Iterator.concat`](https://github.com/tc39/proposal-iterator-sequencing) marked as shipped in Bun 1.3.7
- Added [Rhino 1.9.0](https://github.com/mozilla/rhino/releases/tag/Rhino1_9_0_Release) compat data
- Added [Deno 2.6](https://github.com/denoland/deno/releases/tag/v2.6.0) compat data mapping
- Added Opera Android [93](https://forums.opera.com/topic/87267/opera-for-android-93) and [94](https://forums.opera.com/topic/87678/opera-for-android-94) compat data mapping
- Added Electron 41 compat data mapping
- `Iterator.prototype.flatMap` marked as supported from Safari 26.2 and Bun 1.2.21 because of a [bug](https://bugs.webkit.org/show_bug.cgi?id=297532): throws on iterator without `return` method
- `Uint8Array.prototype.setFromHex` marked as supported from V8 \~ Chromium 144 because of a [bug](https://issues.chromium.org/issues/454630441): throws an error on length-tracking views over ResizableArrayBuffer
</details>
---
### Configuration
📅 **Schedule**: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).
🚦 **Automerge**: Enabled.
♻ **Rebasing**: Whenever PR is behind base branch, or you tick the rebase/retry checkbox.
🔕 **Ignore**: Close this PR and you won't be reminded about this update again.
---
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---
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This PR contains the following updates:
3.47.0→3.48.0Release Notes
zloirock/core-js (core-js)
v3.48.0Compare Source
Mapupsert proposal:Map.prototype.getOrInsertMap.prototype.getOrInsertComputedWeakMap.prototype.getOrInsertWeakMap.prototype.getOrInsertComputedes.namespace modules,/es/and/stable/namespaces entriesCreateDataProperty/CreateDataPropertyOrThrowin some missed cases, #1497RegExpconstructor (NCG anddotAll) polyfill.lengthIterator.prototype.flatMapthrows on iterator withoutreturnmethodUint8Array.prototype.setFromHexthrows an error on length-tracking views over ResizableArrayBufferMapupsert proposal features marked as shipped in V8 ~ Chrome 145Iterator.concatmarked as shipped in Bun 1.3.7Iterator.prototype.flatMapmarked as supported from Safari 26.2 and Bun 1.2.21 because of a bug: throws on iterator withoutreturnmethodUint8Array.prototype.setFromHexmarked as supported from V8 ~ Chromium 144 because of a bug: throws an error on length-tracking views over ResizableArrayBufferConfiguration
📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).
🚦 Automerge: Enabled.
♻ Rebasing: Whenever PR is behind base branch, or you tick the rebase/retry checkbox.
🔕 Ignore: Close this PR and you won't be reminded about this update again.
This PR has been generated by Renovate Bot.