wxt-v0.20.14

wxt-dev/wxtwxt-v0.20.14Feb 6, 2026by github-actions[bot]

AI Summary

Release focusing on iframe UI enhancements and dependency management.

Key Highlights

Added `onBeforeMount` callback to `createIframeUi`
Fixed Firefox web-ext configuration
Handled undefined browser.runtime for content scripts

New Features

onBeforeMount callback for iframe UI

Full Release Notes

[compare changes](https://github.com/wxt-dev/wxt/compare/wxt-v0.20.13...wxt-v0.20.14)

### 🚀 Enhancements

- Add `onBeforeMount` callback to `createIframeUi` options ([#1899](https://github.com/wxt-dev/wxt/pull/1899))

### 🩹 Fixes

- Remove failing test ([6fb4cee4](https://github.com/wxt-dev/wxt/commit/6fb4cee4))
- Rename and make firefoxPrefs in web-ext.config.ts work ([#2068](https://github.com/wxt-dev/wxt/pull/2068))
- **content-script-context:** Handle undefined browser.runtime ([#2042](https://github.com/wxt-dev/wxt/pull/2042))
- `MaxListenersExceededWarning` ([#2058](https://github.com/wxt-dev/wxt/pull/2058))

### 📖 Documentation

- Fix alignment of 2 last comments of regex patterns ([#2012](https://github.com/wxt-dev/wxt/pull/2012))

### 🏡 Chore

- Use `tsdown` to build packages ([#2006](https://github.com/wxt-dev/wxt/pull/2006))
- Move script-only dev dependencies to top-level `package.json` ([#2007](https://github.com/wxt-dev/wxt/pull/2007))
- Update dependencies ([#2069](https://github.com/wxt-dev/wxt/pull/2069))
- Upgrade major deps ([#2070](https://github.com/wxt-dev/wxt/pull/2070))
- Refresh lockfile and upgrade subdependencies ([#2071](https://github.com/wxt-dev/wxt/pull/2071))

### ❤️ Contributors

- Dareka ([@darekadareka](https://github.com/darekadareka))
- Mark ([@mjfaga](https://github.com/mjfaga))
- ariasuni ([@ariasuni](https://github.com/ariasuni))
- Aaron ([@aklinker1](https://github.com/aklinker1))
- Patryk Kuniczak ([@PatrykKuniczak](https://github.com/PatrykKuniczak))
- Bohuslavsemenov ([@bohuslavsemenov](https://github.com/bohuslavsemenov))