Brave goes into infinite loop whenever confirmation popup appears

[anon.immety]

This issue may be the same as

Brave Crashes Comprehensively When Multiple-Tab Window Is Closed

Description of the issue: Brave v 121.1.62.153 crashes comprehensively when the user attempts to close a window with multiple tabs, on Kubuntu 23.10. I have not attempted this action on any other operating systems or environments, to assess how widespread this behavior might be. How can this issue be reproduced? Launch Brave, and visit a site Open a second tab, and visit a site Click on the “X” in the upper right corner Expected result: Browser should warn the user about closing multiple …