Little Snitch 5.4

Originally published at: Little Snitch 5.4 - TidBITS

Improves detection of iCloud Private Relay connections on computers with IPv6 connectivity. ($45 new, free update, 36.3 MB, macOS 11+)

Updated to 5.4(no reboot) and all internet access was blocked. Rebooted and all is well, no problems since.