Supported Browsers 
vBulletin 5 Connect is designed for the following browsers:

Desktop Browsers
The latest versions based on the Internet Explorer, Chromium, Firefox, and Webkit engines should be supported.Javascript and Cookies are required for proper use of the software.

Mobile BrowsersPrivate mode on mobile browsers may interfere with some operations. Javascript and Cookies support is required.
Adblockers may interfere with the normal operation of vBulletin due to false positives. If issues occur in a supported browser, then adblockers should be disabled and the issue retried.
User Contributed Notes: Supported Browsers Add a Comment