Have to Refresh Gradebook Every Day on First Open

I use shortcuts on my Chrome bookmarks bar to access the gradebook for each of my classes. Beginning this academic year, the first time I log in to BlackBaud for the day or after the login times out (~1 hour), the first gradebook I access shows up empty until I refresh the page. If I click through my class's page to open the gradebook in a new window, it opens fine, but the reason I use shortcuts is to avoid the clicks and windows it would otherwise take to get there. The bookmark bar shortcuts worked fine for years until this fall. Any idea what changed or how to restore the old functionality?