0.3.81: TCP keepalive + lastSeen-aware stale detection in addPeer dedup#6

sym-bot merged 1 commit into

mainsym-bot/sym-swift:mainfrom

fix/keepalive-stale-handshake-on-replacesym-bot/sym-swift:fix/keepalive-stale-handshake-on-replaceCopy head branch name to clipboard