+* delay activation of logind until somebody logs in, or when /dev/tty0 pulls it
+ in or lingering is on (so that containers don't bother with it until PAM is used). also exit-on-idle
+
+* cache sd_event_now() result from before the first iteration...
+
+* remove Capabilities=, after all AmbientCapabilities= and CapabilityBoundingSet= should be enough.
+
+* support for the new copy_file_range() syscall
+
+* add systemctl stop --job-mode=triggering that follows TRIGGERED_BY deps and adds them to the same transaction
+
+* Maybe add a way how users can "pin" units into memory, so that they are not subject to automatic GC?
+