# Apache Arrow JS v21.1.0 — Apache Arrow JS 21.1.0

- Product: Apache Arrow JS (https://whatsnew.fyi/product/apache-arrow-js)
- Vendor: Apache
- Date: 2025-10-07
- Version: v21.1.0
- Original notes: https://github.com/apache/arrow-js/releases/tag/v21.1.0
- Permalink: https://whatsnew.fyi/product/apache-arrow-js/releases/v21.1.0

What's New is an index, not a publisher: every entry below links to the vendor's own release notes, which are the authoritative source. Entries are labelled where they are hand-curated sample data, pre-releases, or drawn from a secondary source such as a developer blog.

Reuse: the summaries, labels and curation here are © What's New. Quote freely with attribution and a link back; wholesale republication of the corpus is not permitted — terms: https://whatsnew.fyi/terms. The vendors' own release notes remain their publishers'.

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- **changed** — Use swc-node instead of ts-node
- **fixed** — Fix license path in README
- **changed** — Add missing discussions: write permission to release job

##### What's Changed
* chore: bump gulp from 4.0.2 to 5.0.1 by @dependabot[bot] in https://github.com/apache/arrow-js/pull/133
* chore: Generate draft announce email by @kou in https://github.com/apache/arrow-js/pull/194
* chore: Start release announce discussion automatically by @kou in https://github.com/apache/arrow-js/pull/196
* chore: bump esbuild from 0.25.5 to 0.25.6 by @dependabot[bot] in https://github.com/apache/arrow-js/pull/197
* chore: bump google-closure-compiler from 20250625.0.0 to 20250701.0.0 by @dependabot[bot] in https://github.com/apache/arrow-js/pull/198
* chore: bump @types/node from 24.0.3 to 24.0.10 by @dependabot[bot] in https://github.com/apache/arrow-js/pull/199
* chore: bump typescript-eslint from 8.35.1 to 8.36.0 by @dependabot[bot] in https://github.com/apache/arrow-js/pull/200
* chore: bump rollup from 4.44.1 to 4.44.2 by @dependabot[bot] in https://github.com/apache/arrow-js/pull/202
* chore: bump eslint from 9.30.0 to 9.30.1 by @dependabot[bot] in https://github.com/apache/arrow-js/pull/201
* chore: bump rollup from 4.44.2 to 4.45.0 by @dependabot[bot] in https://github.com/apache/arrow-js/pull/206
* chore: bump @swc/core from 1.12.7 to 1.12.14 by @dependabot[bot] in https://github.com/apache/arrow-js/pull/208
* chore: bump eslint from 9.30.1 to 9.31.0 by @dependabot[bot] in https://github.com/apache/arrow-js/pull/207
* chore: bump typescript-eslint from 8.36.0 to 8.37.0 by @dependabot[bot] in https://github.com/apache/arrow-js/pull/210
* chore: bump @types/node from 24.0.10 to 24.0.13 by @dependabot[bot] in https://github.com/apache/arrow-js/pull/209
* chore: bump google-closure-compiler from 20250701.0.0 to 20250709.0.0 by @dependabot[bot] in https://github.com/apache/arrow-js/pull/211
* chore: bump webpack from 5.99.9 to 5.100.1 by @dependabot[bot] in https://github.com/apache/arrow-js/pull/212
* chore: bump typescript-eslint from 8.37.0 to 8.38.0 by @dependabot[bot] in https://github.com/apache/arrow-js/pull/214
* chore: bump @types/node from 24.0.13 to 24.0.15 by @dependabot[bot] in https://github.com/apache/arrow-js/pull/215
* chore: bump esbuild from 0.25.6 to 0.25.8 by @dependabot[bot] in https://github.com/apache/arrow-js/pull/217
* chore: bump braces from 3.0.2 to 3.0.3 by @dependabot[bot] in https://github.com/apache/arrow-js/pull/218
* chore: bump google-closure-compiler from 20250709.0.0 to 20250716.0.0 by @dependabot[bot] in https://github.com/apache/arrow-js/pull/213
* chore: bump @swc/core from 1.12.14 to 1.13.2 by @dependabot[bot] in https://github.com/apache/arrow-js/pull/220
* chore: bump cross-env from 7.0.3 to 10.0.0 by @dependabot[bot] in https://github.com/apache/arrow-js/pull/222
* chore: bump google-closure-compiler from 20250716.0.0 to 20250723.0.0 by @dependabot[bot] in https://github.com/apache/arrow-js/pull/223
* chore: bump memfs from 4.17.2 to 4.23.0 by @dependabot[bot] in https://github.com/apache/arrow-js/pull/221
* chore: Use swc-node instead of ts-node by @kou in https://github.com/apache/arrow-js/pull/224
* chore: Fix license path in README by @operagxsasha in https://github.com/apache/arrow-js/pull/226
* chore: bump eslint from 9.31.0 to 9.32.0 by @dependabot[bot] in https://github.com/apache/arrow-js/pull/230
* chore: bump @types/node from 24.0.15 to 24.2.0 by @dependabot[bot] in https://github.com/apache/arrow-js/pull/229
* chore: bump typescript-eslint from 8.38.0 to 8.39.0 by @dependabot[bot] in https://github.com/apache/arrow-js/pull/228
* chore: bump webpack from 5.100.1 to 5.101.0 by @dependabot[bot] in https://github.com/apache/arrow-js/pull/231
* chore: bump actions/download-artifact from 4.3.0 to 5.0.0 by @dependabot[bot] in https://github.com/apache/arrow-js/pull/234
* chore: bump eslint from 9.32.0 to 9.33.0 by @dependabot[bot] in https://github.com/apache/arrow-js/pull/235
* chore: bump typedoc from 0.28.7 to 0.28.10 by @dependabot[bot] in https://github.com/apache/arrow-js/pull/236
* chore: bump actions/checkout from 4.2.2 to 5.0.0 by @dependa

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