+btrfs-progs-4.13.2 (2017-10-06)
+ * subvol list:
+ * don't list toplevel subvolume among deleted (broken since 4.8.3)
+ * minor adjustments of uuid print format
+ * subvol delete:
+ * fix swapped behaviour of --commit-each and --commit-after
+ * fix potentially lost sync if subvolumes are from different filesystems
+ * check: add cache for metadata blocks, should improve performance
+ * other:
+ * new tests, testsuite updates
+ * doc updates
+ * cleanups
+
btrfs-progs-4.13.1 (2017-09-25)
* image: speed up generating the sanitized names, do not generate unprintable chars
* completion: add missing commands, better mount point detection