Hello,
Thanks for the great question, I’m sorry that your login sessions aren’t working correctly.
None of the BoldGrid suite of plugins and themes should have any effect on the length of your login session, but many security plugins have this functionality. In addition, since the login session is stored using Cookies in your web browser, it is possible that your web browser may be related to this issue.
I recommend reviewing your active plugins, particularly any that might have been added or modified recently, so see if any of them have this feature. I also recommend trying a different web browser or computer to see if the behavior occurs with them as well.