NOTE: We have improved some of the flag naming conventions (PR #1743). The old names are deprecated and will be removed in 2.0. They will continue to work for backwards compatibility.

• [CHANGE] Improve filter flag names #1743
• [CHANGE] Add btrfs and powersupplyclass to list of exporters enabled by default #1897
• [FEATURE] Add fibre channel collector #1786
• [FEATURE] Expose cpu bugs and flags as info metrics. #1788
• [FEATURE] Add network_route collector #1811
• [FEATURE] Add zoneinfo collector #1922
• [ENHANCEMENT] Add more InfiniBand counters #1694
• [ENHANCEMENT] Add flag to aggr ipvs metrics to avoid high cardinality metrics #1709
• [ENHANCEMENT] Adding backlog/current queue length to qdisc collector #1732
• [ENHANCEMENT] Include TCP OutRsts in netstat metrics #1733
• [ENHANCEMENT] Add pool size to entropy collector #1753
• [ENHANCEMENT] Remove CGO dependencies for OpenBSD amd64 #1774
• [ENHANCEMENT] bcache: add writeback_rate_debug stats #1658
• [ENHANCEMENT] Add check state for mdadm arrays via node_md_state metric #1810
• [ENHANCEMENT] Expose XFS inode statistics #1870
• [ENHANCEMENT] Expose zfs zpool state #1878
• [ENHANCEMENT] Added an ability to pass collector.supervisord.url via SUPERVISORD_URL environment variable #1947
• [BUGFIX] filesystem_freebsd: Fix label values #1728
• [BUGFIX] Fix various procfs parsing errors #1735
• [BUGFIX] Handle no data from powersupplyclass #1747
• [BUGFIX] udp_queues_linux.go: change upd to udp in two error strings #1769
• [BUGFIX] Fix node_scrape_collector_success behaviour #1816
• [BUGFIX] Fix NodeRAIDDegraded to not use a string rule expressions #1827
• [BUGFIX] Fix node_md_disks state label from fail to failed #1862
• [BUGFIX] Handle EPERM for syscall in timex collector #1938
• [BUGFIX] bcache: fix typo in a metric name #1943
• [BUGFIX] Fix XFS read/write stats (https://github.com/prometheus/procfs/pull/343)