When I using IE to open some tabs, I can use attach browser to move to a specific tab based on the HTML title. But after I upgraded to 2018.4, I found that I can’t move to the specific tab for some webpage. I found that the problem will occur when the webpage is a frameset (e.g. “Example 2-column frameset | example”) You can try open this page as a tab in IE, then open 1 more tab (e.g. www.google.com). The attach browser can’t move to “Example 2-column frameset | example” tab. but "www.google.com: tab has no problem