# Transformers.js 4.2.0

- Product: Transformers.js (https://whatsnew.fyi/product/transformers-js)
- Vendor: Hugging Face
- Date: 2026-04-23
- Version: 4.2.0
- Original notes: https://github.com/huggingface/transformers.js/releases/tag/4.2.0
- Permalink: https://whatsnew.fyi/product/transformers-js/releases/4.2.0

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- **added** — Add tools parameter to TextGenerationPipeline
- **changed** — Use inputMetadata API for simplified internals
- **added** — Add support for OpenAI privacy filter model

#### 🚀 Transformers.js v4.2 — Tool calling, simpler internals, and privacy filtering

- Added `tools` to `TextGenerationPipeline` in [#1655](https://github.com/huggingface/transformers.js/pull/1655)
- Use `inputMetadata` API for simplified internals in [#1657](https://github.com/huggingface/transformers.js/pull/1657)
- Add support for OpenAI privacy filter model in [#1658](https://github.com/huggingface/transformers.js/pull/1658)

**Full Changelog**: [4.1.0...4.2.0](https://github.com/huggingface/transformers.js/compare/4.1.0...4.2.0)