Web Ext CoreBrowser Support
Overview
The @webext-core packages are simple wrappers around webextension-polyfill by Mozilla. As such, they will work on:
| Browser | Supported Versions |
|---|---|
| Chrome | >= 87 |
| Firefox | >= 78 |
| Safari 1 | >= 14 |
| Edge | >= 88 |
Other Chromium-based browsers are not officially supported, and may not work*2*. See Mozilla's supported browsers documentation for more details.
1 -
webextension-polyfillworks on Safari, however Safari does not implement the complete web extension standard. See the browser compatibliity chart for more details.2 - In practice, the browsers are close enough to chrome that they work 99% of the time. But make sure to test your extension before assuming it will work.