Cut v2.12.0-rc.0 (#5894)

* Cut v2.12.0-rc.0

Signed-off-by: Julius Volz <julius.volz@gmail.com>

* Address review comments

Signed-off-by: Julius Volz <julius.volz@gmail.com>

* Review fixup

Signed-off-by: Julius Volz <julius.volz@gmail.com>

CHANGELOG.md

@@ -1,3 +1,21 @@
+## 2.12.0-rc.0
+
+* [FEATURE] Track currently active PromQL queries in a log file. #5794
+* [FEATURE] Enable and provide binaries for `mips64` / `mips64le` architectures. #5792
+* [ENHANCEMENT] Improve responsiveness of targets web UI and API endpoint. #5740
+* [ENHANCEMENT] Improve remote write desired shards calculation. #5763
+* [ENHANCEMENT] Flush TSDB pages more precisely. tsdb#660
+* [ENHANCEMENT] Add `prometheus_tsdb_retention_limit_bytes` metric. tsdb#667
+* [ENHANCEMENT] Add logging during TSDB WAL replay on startup. tsdb#662
+* [ENHANCEMENT] Improve TSDB memory usage. tsdb#653, tsdb#643, tsdb#654, tsdb#642, tsdb#627
+* [BUGFIX] Check for duplicate label names in remote read. #5829
+* [BUGFIX] Mark deleted rules' series as stale on next evaluation. #5759
+* [BUGFIX] Fix JavaScript error when showing warning about out-of-sync server time. #5833
+* [BUGFIX] Fix `promtool test rules` panic when providing empty `exp_labels`. #5774
+* [BUGFIX] Only check last directory when discovering checkpoint number. #5756
+* [BUGFIX] Fix error propagation in WAL watcher helper functions. #5741
+* [BUGFIX] Correctly handle empty labels from alert templates. #5845
+
 ## 2.11.1 / 2019-07-10
 
 * [BUGFIX] Fix potential panic when prometheus is watching multiple zookeeper paths. #5749
@@ -14,7 +32,7 @@
 * [ENHANCEMENT] Create new clean segment when starting the WAL. tsdb#608
 * [ENHANCEMENT] Reduce allocations in PromQL aggregations. #5641
 * [ENHANCEMENT] Add storage warnings to LabelValues and LabelNames API results. #5673
-* [ENHANCEMENT] Add prometheus_http_requests_total metric. #5640
+* [ENHANCEMENT] Add `prometheus_http_requests_total` metric. #5640
 * [ENHANCEMENT] Enable openbsd/arm build. #5696
 * [ENHANCEMENT] Remote-write allocation improvements. #5614
 * [ENHANCEMENT] Query performance improvement: Efficient iteration and search in HashForLabels and HashWithoutLabels. #5707

VERSION

@@ -1 +1 @@
-2.11.1
+2.12.0