Very strange, but it's working now. I reinstalled twice, changed the color in the backend and it worked. I have my colors back. I did not change orig...

@Robert, I did all that and the file is not there. The color does not come back. Where is the color scheme stored in the database? I can see these tab...

Posted by: Robert I also recommend deactivate wpForo, delete it, search and install it again. then do Ctrl+F5 twice on forum front to re-generate colo...

Even if I chmod the directory to 777, the file is not created when I change the color style. Why not? There is no security path protection plugin ins...

Thanks for your advice. I deactivated all security related plugins. I don't use any caching plugins. Folder permissions are correct. I've used the def...

You are right @Robert! That was the issue. I use mailgun thru SMTP and that is causing the delay. Thanks for pointing me in the right direction.

Ok, thanks! I will have a look at that. 🙂

I disabled "All in one Seo" but I don't see improvement.

Thanks! Please use anonymous3542 / anonymous3542 to sign in.

@anonymous3542 Here is the link I will check my plugins and try to deactivate one by one.

Thanks to all for the help! I should read release notes before asking questions. 😀