Features:
+* dbus: add new message hdr field for allowing interactive auth, write spec for it. update dbus spec to mandate that unknown flags *must* be ignored...
+
+* maybe introduce AssertXYZ= similar to ConditionXYZ= that causes a unit to fail (instead of skipping it) if some condition is not true...
+
+* remove multi-seat-x now
+
+* refcounting in sd-resolve is borked
+
+* exponential backoff in timesyncd and resolved when we cannot reach a server
+
* apply start timeout during the "initializing" manager state only,
- instead of both "initializing" and "starting".
+ instead of both "initializing" and "starting". maybe rename the
+ timeout to "initialization-timeout" then or so?
* journald: make use of uid-range.h to managed uid ranges to split
journals in.