+btrfs-progs-4.5.2 (2016-05-02)
+ * new/moved command: btrfs-calc-stats -> btrfs inspect tree-stats
+ * check: fix false alert for metadata blocks crossing stripe boundary
+ * check: catch when qgroup numbers mismatch
+ * check: detect running quota rescan and report mismatches
+ * balance start: add safety delay before doing a full balance
+ * fi sync: is now silent
+ * fi show: don't miss filesystems with partially matching uuids
+ * dev ready: accept only one argument for device
+ * dev stats: print "devid:N" for a missing device instead of "(null)"
+ * other:
+ * lowest supported version of e2fsprogs is 1.41
+ * minor cleanups, test updates
+
btrfs-progs-4.5.1 (2016-03-31)
* mkfs: allow DUP on multi-device filesystems
* bugfixes: build fixes, assorted other fixes