= Known Issues =
* Warning: HTTP/HTTPS mixed content blocking does not work in Fission yet. ({{bug|1584157}})
* Some extensions might not work fully. But please file bugs for any of these issues!
* Some DevTools issues debugging Fission tabs.* Some video player issues on YouTube and Twitch.
* Session restore does not restore page zoom level.
* Duo 2FA passcode input may not work, but Duo Push works correctly.