+btrfs-progs-4.15 (2018-02-01)
+ * mkfs --rootdir reworked, does not minimize the final image but can be still
+ done using a new option --shrink
+ * fix allocation of system chunk, don't allocate from the reserved area
+ * other
+ * new and updated tests
+ * cleanups, refactoring
+ * doc updates
+
btrfs-progs-4.14.1 (2018-01-05)
* dump-tree: print times of root items
* check: fix several lowmem mode bugs