# wavesurfer.js 7.12.10

- Product: wavesurfer.js (https://whatsnew.fyi/product/wavesurfer-js)
- Vendor: katspaugh
- Date: 2026-07-06
- Version: 7.12.10
- Original notes: https://github.com/katspaugh/wavesurfer.js/releases/tag/7.12.10
- Permalink: https://whatsnew.fyi/product/wavesurfer-js/releases/7.12.10

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'.

---

- **added** — Add fftSize option to decouple FFT size from the analysis window in Spectrogram
- **fixed** — Reject pending worker promises when the worker errors in Spectrogram
- **fixed** — Use the same window alpha defaults in the worker and main thread in Spectrogram

* 7.12.10
* feat(Spectrogram): decouple FFT size from the analysis window (fftSize option) (#4329) by @koyukan
* fix(Spectrogram): reject pending worker promises when the worker errors (#4328) by @koyukan
* fix(Spectrogram): use the same window alpha defaults in the worker and main thread (#4327) by @koyukan

---
[![npm](https://img.shields.io/npm/v/wavesurfer.js)](https://www.npmjs.com/package/wavesurfer.js/v/7.12.10)