Thanks to Frédéric Bothamy for the patch
Closes: #322470
+ [ Osamu Aoki ]
+ * Updated cron script to support backups by hardlinks and
+ verbose levels. All features turned off by default.
+ * Added more error handlings. Closes: #438803, #462734, #454989,
+ * Refactored condition structure to make download and upgrade performed
+ if only previous steps succeeded. Closes: #341970
+ * Documented all cron script related configuration items in
+ configure-index.
+
+ [ Michael Vogt ]
+ * improve apt progress reporting, display trigger actions
+
[ Program translations ]
* Simplified Chinese updated. Closes: #473360
* Catalan fixes. Closes: #387141