+btrfs-progs-4.16.1 (2018-04-24)
+ * remove obsolete tools: btrfs-debug-tree, btrfs-zero-log, btrfs-show-super,
+ btrfs-calc-size
+ * sb-mod: new debugging tool to edit superblock items
+ * mkfs: detect if thin-provisioned device does not have enough space
+ * check: don't try to verify checksums on metadata dump images
+ * build: fail documentation build if xmlto is not found
+ * build: fix build of btrfs.static
+
+btrfs-progs-4.16 (2018-04-06)
+ * libbtrfsutil - new LGPL library to wrap userspace functionality
+ * several 'btrfs' commands converted to use it:
+ * properties
+ * filesystem sync
+ * subvolume set-default/get-default/delete/show/sync
+ * python bindings, tests
+ * build
+ * use configured pkg-config path
+ * CI: add python, musl/clang, built dependencies caching
+ * convert: build fix for e2fsprogs 1.44+
+ * don't install library links with wrong permissions
+ * fixes
+ * prevent incorrect use of subvol_strip_mountpoint
+ * dump-super: don't verify csum for unknown type
+ * convert: fix inline extent creation condition
+ * check:
+ * lowmem: fix false alert for 'data extent backref lost for snapshot'
+ * lowmem: fix false alert for orphan inode
+ * lowmem: fix false alert for shared prealloc extents
+ * mkfs:
+ * add UUID and otime to root of FS_TREE - with the uuid, snapshots will
+ be now linked to the toplevel subvol by the parent UUID
+ * don't follow symlinks when calculating size
+ * pre-create the UUID tree
+ * fix --rootdir with selinux enabled
+ * dump-tree: add option to print only children nodes of a given block
+ * image: handle missing device for RAID1
+ * other
+ * new tests
+ * test script cleanups (quoting, helpers)
+ * tool to edit superblocks
+ * updated docs
+
+btrfs-progs-4.15.1 (2018-02-16)
+ * build
+ * fix build on musl
+ * support asciidoctor for doc generation
+ * cleanups
+ * sync some code with kernel
+ * check: move code to own directory, split to more files
+ * tests
+ * more build tests in travis
+ * tests now pass with asan and ubsan
+ * testsuite can be exported and used separately
+
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