The "Mark as Read" button does not work. It changes to "Wait..." for about two seconds and then it goes back to "Mark as read" without marking the email as read. I get the following errors in the console:
Unchecked lastError value: Error: Promised response from onMessage listener went out of scope index.js:310
action moz-extension://66a23193-8654-43ef-aff4-ec034c5fee2f/data/popup/index.js:310
On Firefox version 95.0.2
The "Mark as Read" button does not work. It changes to "Wait..." for about two seconds and then it goes back to "Mark as read" without marking the email as read. I get the following errors in the console: