Mozilla has released Firefox 127 with DNS prefetching for HTTPS, a command to close duplicate tabs, auto-upgrade of media elements to HTTPS, and enhanced password security. New features also include autostart on Windows and local translation on Android.
https://alternativeto.net/news/2024/6/firefox-127-released-with-autostart-on-windows-dns-prefetching-improved-security-and-more/
@alternativeto should have a setting to close only one of the duplicate tabs