Popular german Website (owned by ) stuck on login with Brave

Please debug the Login of www.-kleinanzeigen.de This problem exists since I started using Brave, does´t matter which OS! I do not experience this problem on Chrome or Safari. I found an closed thread form march, reporting same problem: Bug reporting: Kleinanzeigen login freezes

Brave stopped opening certain websites to where I was linked to - Desktop Support - Brave Community

Kitchens of the Great Midwest: A Novel by J. Ryan Stradal, Paperback

Credentials purchase doesn't complete, leading to so-called stuck triangle · Issue #26746 · brave/brave-browser · GitHub

Facebook login for websites - Web Compatibility - Brave Community

✓ U.S. Department of Defense (DoD)

Proton Mail - Wikipedia

Retracing Slavery's Trail of Tears, History

Getting STOD (stuck triangle of doom) trying to log in to `account.brave.com` using `Private window` · Issue #27481 · brave/brave-browser · GitHub

now has its own Tor Onion Service, providing more users with secure access to Brave

Brave browser hangs while loading different sites - Desktop Support - Brave Community