I did it, Doesn't seem to work, it's not a big problem though - I can just use microsoft Edge..
Viewing post in Newer version doesn't work for Firefox browser
Hi @heiisniper,
We’re sorry to hear that our solution didn’t resolve your issue.
Another option you can try is creating a new profile to run the game in your browser. Additionally, using incognito mode may help as well.
Thank you for your understanding, and please let us know if you have any further questions or need assistance!