Release 4.6.6
This is mainly a bugfix release for soft-reboot support: The prepare-nextroot-for-softreboot script was accidentally submitted in an old version with inverted soft-reboot detection and an unused variable.
- soft-reboot: Fix inverted logic of soft-reboot detection
- soft-reboot: Don't use D-Bus for snapper call - it may be shutting down already
- soft-reboot: Remove unused variable
- doc: Document configuration file snippets for tukit.conf