on the Firefox Add-ons page.
A fix is being worked on, but might take a bit, sorry about that.
Update [2021-10-25]: Due to issues with setting up the now-mandatory 2FA for logging into the Add-on page, we cannot address the issue at this time. Stay tuned…
Update [2021-10-27]: An updated version has been uploaded but it’s pending review…
Update [2021-10-29]: The update has been released, the extension is available again, in version 1.8.1 for Firefox.