Janne Holm

 Doesn't seem to work in Firefox. I think the diagram above from Chrome extension documentation is only correct for Firefox as Chrome seems to be happy providing those APIs.

Doesn't seem to work. Weirdly both Chrome and Mozilla documentation say that this should not work, and you would need to run this through background pages/scripts. [developer.chrome.com](https://developer.chrome.com/docs/extensions/mv3/devtools/#injecting) [developer.mozilla.org](https://developer.mozilla.org/en-US/docs/Mozilla/Add-ons/WebExtensions/Extending_the_developer_tools#working_with_content_scripts)

That was actually a thing that I noticed quite early on after I couldn't figure out why nothing seemed to work. After allowing the use I got the messaging working....

Small update on this. I've had some spare time this year so I've been playing around with a few extension templates that use vite instead of CRA. Firefox is pretty...

TLDR; 1. Migrate from create react app to a more up to date bundler. My suggestion is WXT 2. Change all injection, fetching etc logic to be run on a...

This is something that makes cross browser extension development experience a living nightmare. It seems that Firefox 128 (current release) finally provided support for scripting worlds. The popup **might** actually...

Firefox doesn't allow remote code execution when using extension manifest version 3. Localhost is technically an external/remote source, as you the extension is loaded from your hard drive. [See mv3...