"The Update page now shows which mirror delivered your update — a small 'Served by' line under the new version tells you whether Server 1, Server 2, or a custom mirror was the one your node actually reached. Useful for confirming mirror fallback is doing its job.",
"Every mirror row has a new lightning-bolt button that pings the mirror and shows reachable / unreachable plus the round-trip latency in milliseconds. No more guessing if a mirror you just added is actually responding.",
"The Update mirrors section got a visual refresh: Set Primary, Remove, and the new Test action are compact icon buttons instead of crowded text, and adding a mirror now happens in a dedicated dialog that matches the rest of the UI."