Ticking time bomb bug in macOS disables network connectivity after 49 days — but there’s a fix

Newly discovered macOS bug completely disables your internet connection if your Mac is left on for 49 days without a reboot.
TidBITS

Why the macOS “49-Day” Networking Bug Probably Won’t Affect You

Don’t panic about the newly discovered macOS bug that freezes TCP networking after 49 days of uptime. Between security updates, sleep cycles, and typical usage patterns, most Mac users will never ...