# wavesurfer.js 8.0.0-beta.4 - Product: wavesurfer.js (https://whatsnew.fyi/product/wavesurfer-js) - Vendor: katspaugh - Date: 2026-09-03 - Version: 8.0.0-beta.4 - Original notes: https://github.com/katspaugh/wavesurfer.js/releases/tag/8.0.0-beta.4 - Permalink: https://whatsnew.fyi/product/wavesurfer-js/releases/8.0.0-beta.4 - Labels: Pre-release 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'. --- - **fixed** — Address v8 pre-release R6 minor findings across core, renderer, plugins, and spectrogram - **changed** — Refactor v8.0.0 pre-release architecture with 17 bug fixes and CI guardrails * 8.0.0-beta.4 * fix: v8 pre-release R6 minor findings across core, renderer, plugins, and spectrogram (#4355) * refactor(core)!: v8.0.0 pre-release architecture refactoring, 17 bug fixes, CI guardrails (#4354) --- [![npm](https://img.shields.io/npm/v/wavesurfer.js)](https://www.npmjs.com/package/wavesurfer.js/v/8.0.0-beta.4)