Key custody. RemotePower can now hold the encryption keys for the storage that depends on it — a built-in KMIP key server so a Synology NAS, TrueNAS box or vSphere cluster stops keeping its keys on the same hardware that holds the encrypted data. Off by default, a separate sandboxed sidecar, mutual TLS only, with an encrypted recovery bundle because key custody without a way back is a liability.
Windows and macOS agents reach full signal parity with Linux — watched services, file-path log rules, disk-usage scans, custom checks, canary files and live view all report now, and laptops report like laptops, so a closed lid stops paging like a dead server.
Plus a sweep for features that looked wired but never fired: a notification filter that passed everything regardless of its setting, four security-advisory inputs written against data nothing produced, and temperatures collected but never drawn. A file-path log rule turned out never to have matched on any platform, Linux included.
Full notes: CHANGELOG · v6.4.1 release notes · security review