# wavesurfer.js 7.12.9

- Product: wavesurfer.js (https://whatsnew.fyi/product/wavesurfer-js)
- Vendor: katspaugh
- Date: 2026-07-06
- Version: 7.12.9
- Original notes: https://github.com/katspaugh/wavesurfer.js/releases/tag/7.12.9
- Permalink: https://whatsnew.fyi/product/wavesurfer-js/releases/7.12.9

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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- **fixed** — Close ImageBitmap when its canvas is removed before it resolves in Spectrogram
- **changed** — Make the web worker FFT timeout configurable in Spectrogram

* 7.12.9
* fix(Spectrogram): close ImageBitmap when its canvas is removed before it resolves (#4324) by @koyukan 
* fix(Spectrogram): make the web worker FFT timeout configurable (#4326) by @koyukan 
* ci: publish to npm before creating the tag and release

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[![npm](https://img.shields.io/npm/v/wavesurfer.js)](https://www.npmjs.com/package/wavesurfer.js/v/7.12.9)