# webpack-dev-server v5.2.3

- Product: webpack-dev-server (https://whatsnew.fyi/product/webpack-dev-server)
- Vendor: webpack
- Date: 2026-01-12
- Version: v5.2.3
- Original notes: https://github.com/webpack/webpack-dev-server/releases/tag/v5.2.3
- Permalink: https://whatsnew.fyi/product/webpack-dev-server/releases/v5.2.3

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** — Add `cause` for `errorObject`
- **fixed** — Fix compatibility with event target and universal target and lazy compilation
- **fixed** — Add ESC key to dismiss overlay
- **fixed** — Fix progress indicator styles
- **changed** — Upgrade selfsigned to v5

###### [5.2.3](https://github.com/webpack/webpack-dev-server/compare/v5.2.2...v5.2.3) (2026-01-12)


###### Bug Fixes

* add `cause` for `errorObject` ([#5518](https://github.com/webpack/webpack-dev-server/issues/5518)) ([37b033d](https://github.com/webpack/webpack-dev-server/commit/37b033da2c48335178495a1987c469a26ef3de60))
* compatibility with event target and universal target and lazy compilation  ([574026c](https://github.com/webpack/webpack-dev-server/commit/574026c44b9c51f0bbd2f5a2836c54607289a071))
* **overlay:** add ESC key to dismiss overlay ([#5598](https://github.com/webpack/webpack-dev-server/issues/5598)) ([f91baa8](https://github.com/webpack/webpack-dev-server/commit/f91baa8831e061e2998849966b8002b40b83fb07))
* progress indicator styles ([#5557](https://github.com/webpack/webpack-dev-server/issues/5557)) ([41a53a1](https://github.com/webpack/webpack-dev-server/commit/41a53a1accdb0a90785d82cbe8a079794eeed3c8))
* upgrade selfsigned to v5